How To: Manage MSA Settings
===========================

The Message Submission Agent (MSA) works with the Mail Transfer Agent (MTA) to send outgoing mail over port 587
and 465.

.. contents::

To Manage Dovecot MSA Settings
------------------------------

#. Log into NodeWorx from the browser (https://ip.ad.dr.ess:2443/nodeworx)
#. In NodeWorx, navigate to **System Services > Mail Server > MSA**

   .. image:: /images/nw-msa.png
      :alt: msa page 

#. Under Dovecot Submission Server, update the desired fields: 

   .. image:: /images/dovecot-msa-settings.png
      :alt: dovecot msa settings 

   - **Protocols**: Enables Dovecot submission server. Allows port 465 and 587 
   - **Custom Submission Port**: Allows the ability to define an alternate port to enable SMTP Submission Service on, 
     other than 587 and 465
   - **Custom Submission Port SSL**: If **Yes** is selected, the alternate SMTP Submission Service port will 
     require explicit SSL. If **No** is selected, the alternate port service will utilize STARTTLS for encryption, instead
   - **Max SMTP Connections Per User IP**: The number of SMTP connections allowed per IP
   
#. Click **Update**