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Thread: Interesting error when trying to email a .ppt file

  1. #1
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    Default Interesting error when trying to email a .ppt file

    Jan 28 10:14:07 zimbra zimbramon[11057]: 11057:info: 2008-01-28 10:14:01, STATUS: zimbra.chapmans.co.tt: stats: Running
    Jan 28 10:15:15 zimbra postfix/smtp[5482]: 840888703CD: to=<pouchet1@tstt.net.tt>, relay=tstt.net.tt.s7a2.psmtp.com[64.18.6.13]:25, delay=239039, delays=238258/0.06/396/385, dsn=4.0.0, status=deferred (host tstt.net.tt.s7a2.psmtp.com[64.18.6.13] said: 451 Remote connection lost - psmtp (in reply to end of DATA command))
    Jan 28 10:16:06 zimbra zmmailboxdmgr[11714]: status requested

    so i can safely assume the isp i am sending too does allow you to email .ppt directlty. hrtm

  2. #2
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    Default

    I think "remote connection lost" usually means a flaky hop somewhere in between server x and server y; I've never seen it as an attachment-specific error. I'm going to guess your .ppt file is pretty big. . .maybe there is some sort of timeout issue on getting files that large through the pipe. You might try a different sort of file of roughly the same size and see if it encounters the same problems.

  3. #3
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    psmtp is postini, which tends to know what they're doing.

    It is unusual for postini not to say so forthrightly, but part of the issue might be a problem with your DNS coupled with the fact that you're not a known email server (SenderBase® The IronPort Security Network). Lots of sites will see the lack of a forward DNS entry for 74-53-208-72.site5.com as a problem. Your hosting provider should be familiar with the issue.

    Code:
    $ nslookup zimbra.chapmans.co.tt
    Server:         137.22.1.13
    Address:        137.22.1.13#53
    
    Non-authoritative answer:
    Name:   zimbra.chapmans.co.tt
    Address: 74.53.208.72
    
    $ host 74.53.208.72
    72.208.53.74.in-addr.arpa domain name pointer 74-53-208-72.site5.com.
    $ host 74-53-208-72.site5.com
    Host 74-53-208-72.site5.com not found: 3(NXDOMAIN)

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