===== MM =====

**MM** is the TOPS-20 mailing subsystem. You can use MM for sending and receiving emails. 

Run MM: <code>MM</code>.
The email subsystem //prompt// will appear:

<code>
MM>
</code>

''HELP'' and ''?'' commands are available.

=== Sending email ===
Create a new message using the ''MAIL'' command.
<code>
MM>MAIL
</code>
Fill the **TO:** field. Please follow this criteria:

  * For internal mails in TWENEX use //user//@twenex.org (@kankan.twenex.org also works).

  * For @sdf.org addresses, use //user//@sdf.org.

  * For external addresses please include the @sdf.org host as an intermediary using the **%** character. For instance, if you want to send an email to //user//@gmail.com, please use **user%gmail.com@sdf.org**

Fill the optional //CC:// and //SUBJECT:// fields. MM will bring the standard //Message:// line editor.

<code>
Message:
 (End with ESCAPE or CTRL/D to get to send command level, CTRL/Z to send.
  Use CTRL/B to insert a file, CTRL/E to enter editor, CTRL/K to redisplay
  message, CTRL/L to clear screen and redisplay, CTRL/N or CTRL/X to abort.)
  </code> 
  
Type your message and use Ctrl+z to //queue// it. To send the message now, use the ''SEND'' command.

<code>
MM> SEND
</code>

> Remote users will be able to answer to your TWENEX address (//user//@twenex.org).

=== Reading email ===

Use the ''HEADERS ALL'' command to display a list of all the received emails. The list will include the message number IDs.
<code>
MM>HEADERS ALL
</code>

Use the ''TYPE'' command with the email number ID to display it into your terminal, You can also use ''TYPE NEW'' to display only new and recent messages. For instance, display the first five message received:

<code>
MM>TYPE 1
</code>

You can answer the displayed message using the ''REPLY'' command.

After editing the reply message, the "S>" prompt will be active. To send the queued message, use the ''SEND'' command.

<code>
S> SEND
</code>

Delete messages using ''DELETE'' number, Then you can clean the //recycle bin// with ''EXPUNGE''.

> TWENEX.ORG mailing system lacks proper MIME64 or HTML support. Use plain text if possible.