On Tue, 2008-10-21 at 14:46 +0200, Sebastian Ries wrote: > Hi > > > One partner we want to send mails to does BOUNCE mails with > > 554 5.7.1 DNS Blacklisted by in-addr.arpa (in reply to MAIL FROM > > command) > > Do you think this is correct? > > I talked to the admin of the mailserver and what he is doing is: > > host says it is hostname.example.com > spamfilter checkes the MX for example.com > spamfilter does not do any further checks > spamfilter sees hostname.example.com != mail.example.com > => BOUNCE > > :-/ > In this situation, I either tell my server to masquerade as the MX for outbound SMTP or I add a nigh numbered (i.e. low priority) MX record for the outbound server (that way hostname.example.com shows up in the MX record search results).
Rubin
