Blocked outgoing emails

Hi Guys

I got a new one, that i need help being pointed in the right direction.

I have a client, who sends .rtf files out, and only one of the users are being blocked.

Mar 24 12:46:47 xx72 postfix/qmgr[6442]: 2C68E7060088: from=<[email protected]>, size=66023, nrcpt=2 (queue active)
Mar 24 12:46:47 xx72 amavis[2473]: (02473-08) (!)Decoding of p002 (Transport Neutral Encapsulation Format) failed, leaving it unpacked: Convert::TNEF failed: Not a TNEF attachment at (eval 116) line 1282.
Mar 24 12:46:47 xx72 amavis[2473]: (02473-08) (!)WARN: files_to_scan: removing unexpected file /var/lib/amavis/tmp/amavis-20150324T124240-02473-rfrRge8A/parts/tnef-2473-3.doc, it has no corresponding parts obje ct
Mar 24 12:46:47 xx2 amavis[2473]: (02473-08) (!)WARN: files_to_scan: removing unexpected file /var/lib/amavis/tmp/amavis-20150324T124240-02473-rfrRge8A/parts/tnef-2473-4.doc, it has no corresponding parts obje ct
Mar 24 12:46:47 xx2 postfix/smtpd[2471]: connect from localhost.localdomain[127.0.0.1]
Mar 24 12:46:47 xx2 postfix/smtpd[2471]: 92B9B7060089: client=localhost.localdomain[127.0.0.1]
Mar 24 12:46:47 xx2 postfix/cleanup[1202]: 92B9B7060089: message-id=<[email protected]>
Mar 24 12:46:47 xx2 postfix/smtpd[2471]: disconnect from localhost.localdomain[127.0.0.1]
Mar 24 12:46:47 xx2 postfix/qmgr[6442]: 92B9B7060089: from=<[email protected]>, size=66469, nrcpt=2 (queue active)
Mar 24 12:46:47 xx2 amavis[2473]: (02473-08) Passed CLEAN {RelayedOpenRelay}, [xxxx9]:51022 [xxxx9] <kxxxo.uk> -> <xxxo.uk>,<xxxo.uk>, Queue-ID: 2C68E7 060088, Message-ID: <[email protected]>, mail_id: kr45RzBpRuWZ, Hits: -0.728, size: 66024, queued_as: 92B9B7060089, 209 ms
Mar 24 12:46:47 xxx72 postfix/smtp[1194]: 2C68E7060088: to=<xxxuk>, relay=127.0.0.1[127.0.0.1]:10024, delay=0.49, delays=0.27/0/0/0.21, dsn=2.0.0, status=sent (250 2.0.0 from MTA(smtp:[127.0.0.1]: 10025): 250 2.0.0 Ok: queued as 92B9B7060089)
Mar 24 12:46:47 xxx72 postfix/smtp[1194]: 2C68E7060088: to=<[email protected]>, relay=127.0.0.1[127.0.0.1]:10024, delay=0.49, delays=0.27/0/0/0.21, dsn=2.0.0, status=sent (250 2.0.0 from MTA(smtp:[127.0.0.1]:1 0025): 250 2.0.0 Ok: queued as 92B9B7060089)
Mar 24 12:46:47 xxx72 postfix/qmgr[6442]: 2C68E7060088: removed
Mar 24 13:08:45 xxx2 postfix/smtp[4979]: 0E41F7060085: to=<nxxx.uk>, relay=xxxxxx.co.uk[217.160.109.202]:25, delay=0.32, delays=0.04/0/0.15/0.13, dsn=5.7.1, status=bounced (host xxxx.uk[217.160.109.202] said: 550 5.7.1 Command rejected (in reply to DATA command))
Mar 24 13:08:45 xxx72 postfix/smtp[4979]: 0E41F7060085: to=<xxxuk>, relay=xxxuk[217.160.109.202]:25, delay=0.32, delays=0.04/0/0.15/0.13, dsn=5.7.1, status=bounced (host xxxk[217.160.109.202] said: 550 5.7.1 Command rejected (in reply to DATA command))
NB. I know the date and time is off a little on the last two lines, but that was because i got the client to send it a few times, and i was taking as it was coming in.

Any suggestions?

KRs

Lee

 

The email is being sent externally. To one of my clients, client