[horde] Horde.org email rejecting emails

[Simon Wilson]

This was a response I got after an email that I sent had Mike R as a cc.

<mrubinsk at horde.org>: host mx1.hub.org[200.46.208.106] said: 450 4.1.8   
<simon at simonandkate.net>: Sender address rejected: Domain not found (in 
  reply to RCPT TO command)

My domain is properly set up and reverse DNSes fine to my mail system,  
and the RCPT TO address is working fine...

Jul 17 13:16:01 server04 postfix/smtp[32261]: 290355768B:  
to=<mrubinsk at horde.org>, relay=mx1.hub.org[200.46.208.106]:25,  
delay=82, delays=0.02/0.02/74/7.1, dsn=4.1.8, status=deferred (host  
mx1.hub.org[200.46.208.106] said: 450 4.1.8 <simon at simonandkate.net>:  
Sender address rejected: Domain not found (in reply to RCPT TO command))
Jul 17 13:16:04 server04 master[17176]: process 31980 exited, status 0

You guys having mail issues?

Simon.

-- 
Simon Wilson
M: 0400 12 11 16
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