• Allows us to connect with our own postfix mail server using SMTP which ensures bounces and out-of-office replies go to the sender. We have about 30 WP sites on one server, so we don’t want bounces going to the server mail administrator.
    Also allows us to set up DKIM signing on outbound emails, provided by postfix.
    On one of our sites we use AWS SES and wp-mail-smtp allows us to connect directly there and handles the API for us, makes it very simple and easy to set up.
    Most importantly for locally sent emails, we are able to connect to the Postfix port that is used by SpamAssassin to return filtered emails, so outgoing emails aren’t checked for spam. This is mostly for speed.

    • This topic was modified 4 years, 1 month ago by nikdow. Reason: prompted by WordPress back-end

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