Telnet Send Email

Telnet isn't the kind of application you appear to think it is, it's just a tool for accessing remote computers. mailserveraddress. SendGrid’s SMTP API allows developers to specify custom handling instructions for email using an X-SMTPAPI header inserted into the message. The downside to Send-MailMessage is there is no output/feedback. Seriously… mail client software is readily obtainable. Today I want to cover a more basic, yet in some ways, more powerful email troubleshooting tool. Telnet will verify and check the server responses to mail requests that was typed. I am going to keep it basic, as I don't want to make this a long drawn out book about MX and MTA's. Send email with attachment(s) from script or command line Posted by waldner on 22 May 2013, 4:07 pm Since every time I have to do this (which is "not very often") I have to look it up, google for it, etc. Connection to host lost. Telnet-client accumulates NVT keyboard inputs in a buffer before sending it (e. So first thing first let’s do this in an easy step by step using Telnet from your server terminal (Server that we want to work with their IP Addresses). Click "Add New". Additionally, to avoid SMTP anonymous relays, SMTP is often locked down to allow emails to originate only from certain IP addresses or IP ranges. Most of the newbie in Linux doesn't know that we can send email using telnet also, which is the better way to troubleshoot email sending problems. To validate whether mail can be sent to remote hosts, use the telnet utility. is a sequence of ASCII printable characters; it is terminated by the IAC SE. This a great way to test your mail server configuration such as exim, sendmail or postfix without a need for a email client. Home & Home Office Support the Telnet SMTP session by sending an email. B:\>telnet smtp-mail. Go to "Settings -> Email Accounts". I've posted it here mostly for a remider to me on exactly how to do this, but thought I would share it with others who may not know of this. In chapter 13, we will configure a webmail application which provides a means to send and receive email while away from home. com, telnet is a tool that is used to check to see. This also is done by the IT dept of the company. com -Subject "This is a test email" -Body "Hi Japinator, this is a test email sent via PowerShell" The above command sent an email to my Gmail account, a screenshot of the email generated is below: The PowerShell method is far easier to use. This blog post is about testing that you have SMTP working correctly (by using telnet) before you attempt to reset all the printer settings. The empty line between the headers and the body is important, as is the line containing only a full stop at the end of the article body. is a sequence of ASCII printable characters; it is terminated by the IAC SE. Continue with the message. com -From blog@vsysad. , Mail, or direct access via another app that sends via secure server). quit 221 2. Mailtrap is a test mail server solution that allows testing email notifications without sending them to the real users of your application. Message Edited by Support on 02-04-2008 08:58 AM. If your connection is successful you should see a response from the SMTP server similar to the one below: telnet mail. I googled this and found some programs that will send the file however my company doesn't want to spend ANY money. mail (smtp) using telnet batch script My idea was to make a little batch script that tries to send a mail (to myself) using telnet (telnet 25, helo etc, etc. So explaining what I did above, it does look like you are on the same network as the server because the server identified itself in your telnet session. This will open a telnet window to the server on SMTP port 25 and the server in return will send a 220 response code, the FQDN (Fully Qualified Domain Name), mail server version, and typically a time stamp as well. SMTP (simple mail transfer protocol) is an electronic standard for email transmission. Notify me of new posts. 250 ok XXXXXX. subject:This is a test email This is the body of the test email sent via Telnet. First of all go to START then RUN, from here type telnet (alternativly go to command prompt and type telnet); When telnet comes up type open mail. hi, im using hmailserver 3 rc2 (build 15) can someone explain me detailled how to send a mail via telnet if smtp auth is activated and relaying is not allowed. The last portion of the command is used for the Telnet port number but is only necessary to specify if it's not the default port of 23. Whats in your audit log just after you try to send an email?. From either the Telnet prompt or client, you can open a connection to the server and port to test: In Telnet, connect to the server and port using the command below. This same technique works on Linux and. Email Send Script Implemented in Expect Posted on June 1, 2012 by spfautsch Over the years I’ve happened upon numerous cases where I’ve needed to send emails within a shell script on one of my linux devices – most recently for my home automation machine running on a seagate dockstar. Checking recipient connection. Does anyone know how you would send an email using telnet or netcat but attach a file as well? There are probably better ways, but I still want to know :-). org, creaksingle@imailbox. This article provides a quick summary of the common SMTP commands and sequence used by the SMTP Protocol to transfer email via the TELNET command. For which the best method is to use vb script to send automated emails. Send Name and Email address of the recipient. Quite often printers are setup to use SMTP to email scanned documents to end users. Telnet isn't the kind of application you appear to think it is, it's just a tool for accessing remote computers. If the computer you telnet into has an email application running then you can use it through telnet, but telnet itself doesn't have such features as it's just a remote access tool. When you need to paste into the terminal, you can either use Cmd-V, or right click and select Paste. Check e-mail on a pop3 server using telnet Filed under: General — Tags: command , e-mail , email , gmail , mail , openssl , pop , pop3 , ssl , telnet — admin @ 9:44 am These steps show how to check your e-mail on a pop3 server using a telnet client. Many ISP's block outbound SMTP traffic to ensure that spammers do not abuse their service. same thing with hotmail and google. com" is the name of the smtp (outgoing). To validate whether mail can be sent to remote hosts, use the telnet utility. See Step #4 on how to test relaying mail! DATA - tells the SMTP server that what follows is the body of your email. Type in telnet command as described below to connect to the SMTP server. This same technique works on Linux and. This allows anyone to send email to anyone else through your server. com 25 " and i hit enter, nothing happens. 0 Queued mail for delivery. Verify SharePoint outgoing e-mail settings using Telnet Posted on June 11, 2013 by Khalid If you have configured your outgoing email settings but are having issues sending emails from SharePoint verify that your SMTP server is allowing connections from your SharePoint server using Telnet. The SMTP/ESMTP commands reference is useful for software developer who want to add simple email alert feature to a program, i. If telnet cannot accept input from the pipe, it may be possible to redirect input from a file, but it will be necessary to see the sequence telnet requests the input. Instead of using GUI mail client or webmail to test the sending and receiving email,you also can use telnet. How to Check Email with Telnet. text text text. Next Subject of the message. Related Pages: If you want to know more about sending e-mails by Telnet, I suggest the following pages: Testando envio de e-mail via Telnet Send mail through SMTP using Telnet Sending Email without a Client Trivial uses of Telnet - SMTP Taking the hint of Wagner, correct the text which was "mail to" to "mail from". Part 1 - How to Send SMTP Email Using PowerShell; Part 2 - How to Add a Message Body to Emails Sent from. This blog post is about testing that you have SMTP working correctly (by using telnet) before you attempt to reset all the printer settings. Try Gmail or Yahoo, “telnet gmail-smtp-in. When smtp service is activated and port 25 is opened up, telnet IP address 25 should say, service is available. In any case, in today's increasingly paranoid world, you'll probably need to handle TLS to the mail server, and other messy details. Send an Email Via Telnet: Hi everyone, to have a little fun and for a personnal project I needed to send mails via linux's terminal. mail (smtp) using telnet batch script My idea was to make a little batch script that tries to send a mail (to myself) using telnet (telnet 25, helo etc, etc. No password Back in the day you could also send a message by using a program called net. We cannot receive email locally via Outlook 2010 because this pc will not communicate with the internet mail server on port 110: cannot telnet successfully. text text text. The service is essentially an analog of the telnet application for windows with which you can check the port online. NET i now need the app to check that the user and password its given has access to the smtp to send email. All SMTP servers use SSL encryption nowadays so using simply telnet will not work. In this document, we: shall use Telnet to connect to the SMTP server. Now, connect with telnet using the following command: telnet example. This is a quick way to test an email server to determine if it is an open relay. With the command " dele x ", you can delete a message from the e-mail server. Step 1 Open a command prompt and connect to the SMTP server using TELNETover port 25. Let us see how to send emails using command line client like Telnet, PuTTY etc. It will handshake with the mail server and continue with the connection encrypted. 3 Easy Ways to Send Emails From the Command Line in Linux By Himanshu Arora - Posted on Jan 22, 2015 Jan 20, 2015 in Linux While working with the command line, there are times when you might want to manually send an email to communicate one-liner information, say a complex command or an important note to yourself or a friend. Today we want to explore a few solutions and ways that you can use Google and or Gmail's free SMTP server as a way to. NET i now need the app to check that the user and password its given has access to the smtp to send email. Re: Telnet Commands to copy file from Host to Client Actually it is technically possible to copy files using telnet but only ascii files and it is not easy. NET mail code) by using the telnet client. It also demonstrates SSL, HTML Email, Email Queue and Exchange Web Service (EWS) usage. Note, there is no need to enable Sendmail service or configure smart-host of Sendmail, if you simply want to play fun or experience how to use telnet to connect SMTP for sending email. please help!. Now, you'll need to connect to this mail exchanger using telnet. The TELNET monitor verifies that the TCP/IP-based service can accept incoming sessions and respond in a timely manner. Open G-Lock EasyMail7. For example, entering telnet textmmode. This same technique works on Linux and. eg: Fake Lottery emails, or fake bank mails that t. Enter slowly. com data subject:test email test email. Mailtrap is a test mail server solution that allows testing email notifications without sending them to the real users of your application. Sending email with telnet is really quite easy. Send Email from PowerShell - Tutorial¶. First telnet to yor mail server: $ telnet mail. Open a command prompt. when you're on holiday or when sending email from your smartphone. Sending email with telnet is really quite easy. Problems only to send en email to creamsmiley@nightmail. I have tried everything that I know without good results. On the other hand, if you have the SMTP service component of IIS installed you can use it and the CDONTS. For those who want to test the SMTP service via Telnet, here is the necessary commands to send a test message:. Firebox does not respond with useful (again, useful to an attacker) information to either, which is correct from a security standpoint. which in turn allows for better code to be written for sending emails. Hello everybody I can't send mail using the simple command dos Telnet let me show you whats happened: telnet smtp. 2 to connect Microsoft Exchange ESMTP (Enhanced SMTP) at port 25 and execute SMTP commands to send email with subject and HTML content. Type ehlo example. Recently, I had a client that had a need to send a test email message with an attachment via TELNET. Below are the various, well known methods of sending email with attachment from the terminal. Message Edited by Support on 02-04-2008 08:58 AM. First of all go to START then RUN, from here type telnet (alternativly go to command prompt and type telnet); When telnet comes up type open mail. Failed to send email alert for recent event. Email is an example of a popular feature of the Internet. Telnet online is a service through which you can connect to hosts and communicate with them, checking the operability and proper configuration of the services started there. com rcpt to: recipient@somewhere. com (ie, your email address) 250 is syntactically correct (or similar) RCPT TO:them@someplace_else. The way we sending email in this tutorial is a little different than sending email using Gmail or Yahoo, because we will try to sending email by using a command prompt or terminal. The steps in the solution emulate what the printer does when it sends a scan to e-mail to your mail server. telnet gmail-smtp-in. com 25 from@example. com auth login. In particular, if you use a SonicWall firewall and your connections are being dropped when you send or receive certain kinds of email messages, an automatic update to the firewall rules is almost certainly interrupting the connection. I am always forgetting how to test sending an email through an SMTP gateway using the Telnet client. Check e-mail on a pop3 server using telnet Filed under: General — Tags: command , e-mail , email , gmail , mail , openssl , pop , pop3 , ssl , telnet — admin @ 9:44 am These steps show how to check your e-mail on a pop3 server using a telnet client. I read that you can connect to an SMTP server (like gmail, hotmail, etc) via telnet, and manually put in commands to send anonymous email (or even worse, send email with a false "from" address). In the Telnet test you can also send a test e-mail and further diagnosis issues. EMail – Using Telnet. This same technique works on Linux and. The following example using telnet on RHEL5. Instead of using the Roundcube client, what happens if you telnet to "localhost 25" and just type in the appropriate smtp commands? Finally, Roundcube may be being blocked by SELinux. Type telnet mail. Many people do not realize that you can easily and quickly send a test message using telnet, a tool available with most operating systems. How to send a test email message using Telnet Occasionally I’ve had to troubleshoot sending email messages to a particular SMTP server by simulating a mail client (or. This only offers a brief overview of how to send a spoofed email through netcat/telnet. As I started off by saying, there’s so much more to be said about this. SMTP (simple mail transfer protocol) is an electronic standard for email transmission. Once 25 hops has been reached, the email is rejected. My problem is the fact I'm not able to put all the addresses I have in the file as subject fo | The UNIX and Linux Forums. , Mail, or direct access via another app that sends via secure server). We had a tornado hit our IT center and it cost us the rest of the budget to repair the servers and such. or do i need. com MX preference = 10, mail exchanger = mail. As its man page suggests, it's a minimalistic emulator of sendmail. Using OpenSSL to Send Email Using the Amazon SES SMTP Interface When an email sender (a client) connects to an SMTP server, the client issues a standard set of requests, and the server replies to each request with a standard response. The Telnet module have several methods, in this example I will make use of these: read_until, read_all() and write() Telnet Script in Python Let's make a telnet script. It indicates that your mail server is not configured to allow you to send mail through it. But scripting telnet is a pain. lets say i type " telnet mail. + Understanding Telnet: There’s many ways to send an email but i recommend everyone to test delivery using Telnet, because this is very important in what we want to do here. GitHub Gist: instantly share code, notes, and snippets. If your telnet client can TLS (not sure if the windows one can). or do i need. [email protected] [~]# telnet alt3 it can also mean that you have a script or program/application that is not authenticating properly before attempting to send email. com 95, which would connect to that same server but this time on port number 95. Send vCard, vCalendar and WAP Push Message Java Checked Exception and RuntimeException – throw Exception from static block ? Open Source. How can I use Telnet to test my POP3 e-mail account is working on my Dedicated Server? This article applies to Dedicated Servers. com which can be used to be used for the BODS JOBs. com, telnet is a tool that is used to check to see. Althans, totdat de e-mail niet op zijn bestemming aankomt. com 25 helo domainname. client: From: sender@example Notify me of new comments via email. Use telnet to send email with an attachement. You can change this default telnet prompt key by starting telnet like this:telnet –e p  192. So if you work on email n. Enter your user information under the General tab. 10 with a short message. com 25 Trying 21. 33 is your corporate Microsoft Exchange server):. Click "Add New". If you have Outlook installed on the client machine, e-mail can be sent via MAPI. Mailtrap is a test mail server solution that allows testing email notifications without sending them to the real users of your application. Using OpenSSL to Send Email Using the Amazon SES SMTP Interface When an email sender (a client) connects to an SMTP server, the client issues a standard set of requests, and the server replies to each request with a standard response. Netcat to the rescue! Call the script with the following arguments: $. This article describes how to telnet to the Netmail Secure server on Port 25 (the default SMTP port) to test and troubleshoot SMTP communication problems. com (email address you want to send to). Does anyone know how you would send an email using telnet or netcat but attach a file as well? There are probably better ways, but I still want to know :-). In any case, in today's increasingly paranoid world, you'll probably need to handle TLS to the mail server, and other messy details. Telnet batch file needed i need a batch file that will open a telnet conenction and send an email via an smtp server. hmailserver. After you created your SMTP credentials, you can configure G-Lock EasyMail7 to send emails through the Amazon SES SMTP interface. EMail – Using Telnet. Daemons, testing via Telnet. The first command is mail and you specify who it is from, e. Via modem IUB. telnet some_smtp_server. I am always forgetting how to test sending an email through an SMTP gateway using the Telnet client. This will assure that emails are created in conformance with all proper standards. Test the communication between the mail server and the Hosted Email Security using Telnet. How to send SMTP email using Telnet This is an old method of sending email using Telnet. Sending html email using Telnet, SMTP and Etisalat Zakaria Bin Abdur Rouf / March 13, 2008 We are a web designing company and we came to know that when we are sending some mail using the php mail function, the mail does not go to the recipent on time. Send Email from Excel using VBA and VBScript - Tutorial¶. com with the name of your own email server) Click OK to start the telnet session; If you can connect, then your ISP has not blocked outgoing traffic on port 25. You must be in the possession of your smtp parameters. PS C:\Users\admin> Send-MailMessage -SMTPServer localhost -To xxxxx@gmail. That is the fact – so they send me en email, but I cannot! Can you help me what shall I do in this way. Send an Email Via Telnet: Hi everyone, to have a little fun and for a personnal project I needed to send mails via linux's terminal. EXPN -- if this is a valid e-mail address, and it relates to a mailing list on the server or a mail alias expand it. 25 port just times out. It's very difficult to send a email by telnet to use gmail as a MTA. For those who want to test the SMTP service via Telnet, here is the necessary commands to send a test message:. Hi there, From multiple servers we can't send to MX-es hosted/ending in mail. How to send an email via Exchange 2003 using telnet. Which does not prompt for a password. SMTP uses several commands to communicate with mail servers. Unsuccessful telnet connections indicate firewall or other connectivity issues. There must be a TLS capable telnet client in cygwin. Below are the various, well known methods of sending email with attachment from the terminal. This website to share our expertise and knowledge on Linux, UNIX, Windows, Hardware, Security, Cloud and Open Source. These commands can be sent to an email server manually via Telnet. mail (smtp) using telnet batch script My idea was to make a little batch script that tries to send a mail (to myself) using telnet (telnet 25, helo etc, etc. If you need to send mail from a script, command-line mail client software is also readily available. This same technique works on Linux and. When you typing the text in telnet, by default it operates in Linemode which send the packets per line, so you just need to press Enter to send the command to the remote host (since terminal character processing on the client side). Email / SMTP Server Configuration & Troubleshooting server and to make sure the SMTP server is able to send the e-mail out to the internet. Thanks Georgiro. The Telnet module have several methods, in this example I will make use of these: read_until, read_all() and write() Telnet Script in Python Let's make a telnet script. I am trying to send attachments through telnet to test my mail server. This is quick writeup which describes connecting to a mail server and sending a test message using telnet. Telnet is the most basic mail client. Telnet settings must be installed, and your computer must have a connection to the internet, before using AirMail to send or receive radio-email. Instead of using the Roundcube client, what happens if you telnet to "localhost 25" and just type in the appropriate smtp commands? Finally, Roundcube may be being blocked by SELinux. telnet some_smtp_server. If your connection is successful you should see a response from the SMTP server similar to the one below: telnet mail. You should not replace mail. Problably the answer is here. com 25 thingy it says something like sending un solictated(?) comercial or bulk email to microsoft is prohibited. mymailserver. Send an email from the command line Sending mail from your *nix account In the first case you will need on your machine a running mail server like postfix, sendmail or other Now to send an email from your user on your machine to another user on another machine. thank you for your reply , the thing is , the person used telnet and sent an email ( mail from : employeeX@mydomain. My favourite articles are the ones I write knowing, at the back of my mind, that they will be really appreciated by those who take the time to read them. In particular, if you use a SonicWall firewall and your connections are being dropped when you send or receive certain kinds of email messages, an automatic update to the firewall rules is almost certainly interrupting the connection. Step 1 Open a command prompt and connect to the SMTP server using TELNETover port 25. So rather then googling it all the time why not add it here! The initial telnet: > symbolizes your shell prompt. hi, im using hmailserver 3 rc2 (build 15) can someone explain me detailled how to send a mail via telnet if smtp auth is activated and relaying is not allowed. Examples of are. Sending an email through a Web or Client interface is easy. 250 ok XXXXXX. You need to use following syntax of mail and mutt to send emails, note that if you want to send attachment file via mail command it's not support or it's better I say I can not send my attached file via mail command, instead you can use mutt command line, it's very useful. In this chapter, you will learn how to Describe common Transport layer protocols Explain the power of port numbers Define common TCP/IP applications such as HTTP, HTTPS, Telnet, e-mail (SMTP, POP3, and IMAP4), and FTP. Hello everybody I can't send mail using the simple command dos Telnet let me show you whats happened: telnet smtp. com 25 220 mx. DOS is the unforgotten tool especially so below I will show how to send a message step by step: Open the DOS prompt. Whats in your audit log just after you try to send an email?. Question: How do I manually telnet to my POP (Post Office Protocol) server to check if my mail server is accepting connections? Answer: This method of manually connecting to the mail server is sometimes necessary in order to help better troubleshoot Messaging/Mail issues. 3 Easy Ways to Send Emails From the Command Line in Linux By Himanshu Arora - Posted on Jan 22, 2015 Jan 20, 2015 in Linux While working with the command line, there are times when you might want to manually send an email to communicate one-liner information, say a complex command or an important note to yourself or a friend. com MX preference = 10, mail exchanger = mail. mail (smtp) using telnet batch script My idea was to make a little batch script that tries to send a mail (to myself) using telnet (telnet 25, helo etc, etc. - vonbrand Jul 24 '15 at 0:21. The remote Telnet client should see a successful connection and a text message similar to the following:. The standard port is 25 for SMTP connections. bat? its a company but the email, you can only know if you call the place but johnny has a facebook where he posted the number, he goes by Johnny bat. When you need to paste into the terminal, you can either use Cmd-V, or right click and select Paste. Telnet to hostname on port 25 220 (then identifies itself - possibly with several lines of 220 + text) HELO your_domain_name or whatever 250 (followed by human readable message) MAIL FROM:you@hostname. NET Batch Framework ?. In particular, if you use a SonicWall firewall and your connections are being dropped when you send or receive certain kinds of email messages, an automatic update to the firewall rules is almost certainly interrupting the connection. For which the best method is to use vb script to send automated emails. In the current article, we will demonstrate how to simulate Spoof E-mail attack + bypass SPF sender verification that is implemented by the destination mail server that represents the recipient whom we want to attack. subject:This is a test email This is the body of the test email sent via Telnet. But what if you don’t have, or don’t want to use, a mail client? We can use Telnet! First choose “Run” in yor Start menu and type in Telnet. Verify SharePoint outgoing e-mail settings using Telnet Posted on June 11, 2013 by Khalid If you have configured your outgoing email settings but are having issues sending emails from SharePoint verify that your SMTP server is allowing connections from your SharePoint server using Telnet. which in turn allows for better code to be written for sending emails. Step 1 Open a command prompt and connect to the SMTP server using TELNETover port 25. This article explains how to send a message using SMTP commands in a telnet session. - vonbrand Jul 24 '15 at 0:21. So I need a way to send an email via a dos batch file. How to manually test if MailEnable can send mail to remote servers. Troubleshooting SMTP can be done via telnet, you can send e-mail from a VBS script or using ASP code, and then there are tools like MAPISend and Blat that allow you to send email from the command line or a batch file. Of course you'll need an SMTP server that allows relaying, which is almost impossible to find or roll your own (just don't use this knowledge to spam!). Jon Langemak January 12, 2010 January 12, 2010 15 Comments on Using telnet to test authenticated relay in Exchange Many times I find myself wanting to test the SMTP service in Exchange. Via modem IUB. Port 2525 is the required port to send emails via outlook. Type telnet mail. mailserveraddress. Basic email delivery using telnet June 15, 2010 by steve in Delivery Improvement Whenever we're working with someone to diagnose some obscure delivery issue one of the things we usually have them try is to "run a transaction by hand". [email protected] [~]# telnet alt3 it can also mean that you have a script or program/application that is not authenticating properly before attempting to send email. com data subject:test email test email. HELO client. helo savilltech. Telnet commands to Send Email I can never remember the commands to send an email via Telnet so here they are again mostly for my benefit. My test is to send it to somewhere like GMail or Hotmail. How to send email using vb6. It is a telnet trick that let you send an email via telnet. And if you're a system administrator and you can't find an easy workaround to this problem, well, you are not a very good system administrator. Once you issue the required command to switch to TLS, the connection has to be encrypted using TLS (SSL). This blog post is about testing that you have SMTP working correctly (by using telnet) before you attempt to reset all the printer settings. Telnet to hostname on port 25 220 (then identifies itself - possibly with several lines of 220 + text) HELO your_domain_name or whatever 250 (followed by human readable message) MAIL FROM:you@hostname. This article provides a quick summary of the common SMTP commands and sequence used by the SMTP Protocol to transfer email via the TELNET command. SMTP Test – Telnet Script to Send Email. I read that you can connect to an SMTP server (like gmail, hotmail, etc) via telnet, and manually put in commands to send anonymous email (or even worse, send email with a false "from" address). If you have ever tried sending an SMTP mail message using TELNET before, you know that it is very finicky. 2 to connect Microsoft Exchange ESMTP (Enhanced SMTP) at port 25 and execute SMTP commands to send email with subject and HTML content. You can't send an email using TLS with telnet. 24 9273 they say its the us server for telnet so i went and did all of that but when i click enter on the admin cmd it literally does nothing. There are many small e-mail clients made for the purpose of sending e-mail to mail servers without needing to configure them with e-mail accounts (like. Being unable to send email can ruin your workday, wreck productivity or even worse cause you to lose out on an important opportunity. Sending email attachments using SMTP commands and TELNET Recently, I had a client that had a need to send a test email message with an attachment via TELNET. N::T::C is used to help manage over 14,000 machines! Keep the email rolling in!. The first thing you need to do is get a base64 encoding of your username and password. First of all go to START then RUN, from here type telnet (alternativly go to command prompt and type telnet); When telnet comes up type open mail. Either approach will then send you to the following prompt. In the Telnet test you can also send a test e-mail and further diagnosis issues. Just type the following command in the command prompt window and press "Enter": telnet domain-name. com This should be your own hostname (the computer hostname you are connecting FROM) MAIL from: This is the email address you want to send the test email FROM. Many people do not realize that you can easily and quickly send a test message using telnet, a tool available with most operating systems. So rather then googling it all the time why not add it here! The initial telnet: > symbolizes your shell prompt. How to send email. Sending Email via Telnet Using SMTP Authentication In some cases, in order to test or diagnose e-mail service, an administrator has to check the sending of emails through their Exchange servers (and other email servers) from certain hosts. It appeared TELNETENABLE was able to send the packet or so it said. Send Email from Excel using VBA and VBScript - Tutorial¶. Problem is I don't know how to send such an email in DOS. These commands can be sent to an email server manually via Telnet. So first thing first let’s do this in an easy step by step using Telnet from your server terminal (Server that we want to work with their IP Addresses). Telnet commands can be rather cryptic, with example commands including z and prompt% fg. Os softwares como o Thunderbird e Outlook fazem com que a troca de e-mails pareça algo mágico.