SM "incoming gateway domain forward" as BACKUP MX SERVER. How much time before timeout to the real Mail Server?
Question asked by Gabriele Maoret - June 17, 2016 at 5:35 AM
I'm using SM 15 as a BACKUP MX SERVER to a real mail server of a customer using the "incoming gateway domain forward" capability of SM.
If the real MailServer is down, how long SM try to resend the mails before TimeOut? And if a timeout occur, can SM send a NDR to the sender?

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