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[cobalt-users] maillog errors



I am seeing a lot of these in the maillog and just wanted an explanation :-

Domain of sender address X@xxxxx does not resolve

does the cobalt try to do a lookup of the MX of that domain or just try and
resolve an A record for the domain as it quite conceiveable that there will
be no A record for x.y.z but an MX record. Can this be switched off as well.

regards

Mark