ASSP_Basic_Workflow

Basic Workflow

• Inbound

Internet -> ASSP -> Mailserver -> User

• Outbound

User -> ASSP -> Mailserver -> Internet

The ASSP setting for this flow is: SMTP Listen Port (listenPort) : 25 SMTP Destination (smtpDestination) : 125 If the MTA is on a different IP (eg 123.123.123.12) then SMTP Destination (smtpDestination) : 123.123.123.12:125

An other possibility would be to keep the port of the MTA unchanged: The MX records would point to 123.123.123.11 and the ASSP setting is:

SMTP Listen Port (listenPort) : 123.123.123.11:25 SMTP Destination (smtpDestination) : 123.123.123.12:25 These IP's may reside on the same machine. Given this example the IP for the user submits (outgoing) which should pass through ASSP must be 123.123.123.11 and the IP for the user submits (outgoing) which should not pass through ASSP (eg. SSL) must be 123.123.123.12.

Notice that using the basic workflow may result in an unacceptable long wait time for the users while they send mails. It is recommended to consider the ASSP_Advanced_Workflow to prevent this.

ASSP Basic workflow

Basic workflow