System SMTP Relays


Related Docs:   Mail Server Roles

There are two system SMTP relays you can choose for each individual mail server - POP before SMTP and SMTP AUTH.

In POP before SMTP, the relay system collects IP addresses of users who successfully authenticate themselves with a POP server, and then permits SMTP relaying from that IP address for a short period of time.

If clients do not have known IP addresses, relays use SMTP AUTH, an SMTP based protocol, in which the client must send a name and password in addition to the normal SMTP envelope information. Obviously this requires a special client, which has been configured to use this protocol.

To specify the protocol for a specific server:

  1. Select Mail Servers in the E.Manager menu.
  2. At the top of the page that appears, click the Action icon next to the mail server.
  3. At the very bottom of the page select the protocol and click Submit.

Related Docs:   Mail Server Roles

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