Re: [9fans] possible forward loop on new mailserver

[geoff]

Try

        mail '-#d' crn.mteege.de!mtg

and see how the addresses are being rewritten.  Also watch the tail of
/sys/log/mail and /sys/log/smtp.  I suspect that a plain user name
like `mtg' is getting rewritten, possibly by upas/aliasmail, into an
address that causes upas to send the message to mteege.de via smtp and
this is being caught after 32 iterations.