today i started getting this error for a specific mail address which yesterday received mails succesfully.
Mail manager shows a single line of
2015-02-19 09:01:41 routing failed for email@domain: Unrouteable address
there's no retry, no nothing, yesterday it was working perfectly.
SMTP log is the same line, accepts the mail, process queue, instant bounce
i checked DNS resolution for the domain(br.bosch.com) and works ok returning two different mailservers (in germany) [:S]
Both servers respond to telnet on port 25 ok
In any case, even if both servers would fail to answer it should stay in the retry queue NEVER instantly bouncing.
what's going on?
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