Assume I send a mail from mutt with [EMAIL PROTECTED] in From: and my helo
is staticky.com ... will your mail server check my ip address e.g. dynamic ip say 61.1.105.40 and then staticky.com IP address say 64.83.37.144
and say that the IPs do not match and then reject my mails? Or check or
non-existence domain like linux.local in helo.
rahul.net, gmx.net do it, do you?
Two entirely separate things
1. My mailserver would reject on dynamic IP
2. My mailserver wouldnt care if you sent me staticky.com, localhost.localdomain etc (but if you tried sending me hotmail.com, yahoo.com HELOs from a non hotmail or yahoo IP, you'd end up getting rejected)
3. We don't check for HELO resolves back to same IP you are connecting from - that is a bit dumb and prone to false positives. I don't know about what filtering Rahul Dhesi does on his network, but I'm reasonably sure GMX doesn't do that - you got a bounce and a pointer to some gmx docs describing this?
srs
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