Monthly Archives: April 2020

Pop Before SMTP Support Discontinued

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     We recently implemented DMARC, DKIM, and SPF on all of our mail servers to prevent forgeries, reduce spam, and improve mail delivery reliability.

     DMARC is incompatible with pop-before-smtp therefore we can no longer support this.  It is necessary to authenticate on outbound SMTP connections as well as inbound pop-3 and imap-4 connections.

Pop Before SMTP No Longer Supported

Posted on by

     We recently implemented DMARC, DKIM, and SPF on all of our mail servers to prevent forgeries, reduce spam, and improve mail delivery reliability.

     DMARC is incompatible with pop-before-smtp therefore we can no longer support this.  It is necessary to authenticate on outbound SMTP connections as well as inbound pop-3 and imap-4 connections.