Jack Coats <[email protected]> writes:
> But in the future you might configure a 'secondary email server'.
> [how to setup a secondary mail server. ]
With a really important addition for modern mail servers: You
must, must, must ensure that any mail the secondaries accepts will
deliver, without bounce, on the primary. If [email protected] is
non-deliverable on the primary, secondaries must reject this recipient
at SMTP layer.
If this is not true, you will generate backscatter spam, possibly
ending up on blacklists, etc, etc.
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