Hi > * if the primary MX IS available but says "550 User unknown", > I'd like to bounce the message immediately (so induce a > permanent failure). > > I've been reading the manual about retry rules for specific > errors and the closest I can find is the example... > > "the.host.name rcpt_452 F,1h,10m" > > ..is there a similar retry condition for "550 User unknown"?
Ehm, no.... 550 is a permanent error and recognized by exim as such. Exim will never retry for those. Regards, Steffen
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