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Difficulties sending as 'nobody'... help?

Discussion in 'General Discussion' started by LiNUxG0d, Dec 19, 2008.

  1. LiNUxG0d

    LiNUxG0d Well-Known Member

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    Hey all, seasons greetings!

    I have a user who uses a PHP script to mail out to a few of her customers. The PHP script is sending as 'nobody', which is normal. This script is not suPHP and so this behavior is perfectly fine.

    The problem I'm facing is, she gets this error message:

    Code:
    2008-12-19 09:07:16 1LDgwc-00036h-15 ** mary@herdomain.com R=lookuphost 
    T=remote_smtp: SMTP error from remote mail server after RCPT TO:<mary@herdomain.com>: 
    host herdomain.com [x.x.x.x]: 550-Verification failed for <nobody@my.server.com>\n550-
    The mail server could not deliver mail to nobody@my.server.com.  
    The account or domain may not exist, they may be blacklisted, or missing the proper 
    dns entries.\n550 Sender verify failed
    
    I know this is because of call-out verification on herdomain.com. I checked and I have an A Record for my.server.com setup properly, and my server is denying the mail for a call-out.

    Is there anything I can do to force a call-out acceptance on nobody@my.server.com?

    I tried adding a /etc/valiases/my.server.com file with *: ::blackhole:: to see but nothing worked... help! :)

    Thanks and happy holidays!
     
  2. rhenderson

    rhenderson Well-Known Member

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    Need to make sure your IP is not blacklisted and I have seen the lack of RDNS cause this as well.
     
  3. LiNUxG0d

    LiNUxG0d Well-Known Member

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    Hey,

    Thanks for the reply.

    The RDNS is setup properly on the IP. It matches a real A record as well, to be on the safe side.

    I'm really not sure how to fix this error... anyone?

    Thanks,
     
  4. hydra

    hydra Well-Known Member

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    Hi,

    I am reading this in your error:

    The mail server could not deliver mail to nobody@my.server.com

    Am i missing something?
    Ronald.
     
  5. LiNUxG0d

    LiNUxG0d Well-Known Member

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    Basically,

    When someone sends as NOBODY via a PHP script that uses sendmail, it will send as nobody@my.server.com.

    When a receiving SMTP gets this mail message, it issues a sender call out and our server says that nobody@my.server.com doesn't exist, so my mail is not delivered.

    Basically, how do I get NOBODY to be a valid sender?

    Regards,
     
  6. deadlock

    deadlock Well-Known Member

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    nobody@my.server.com is the default From: address that your server automatically adds to the outgoing message when that field is left blank. I would suggest editing the PHP script to have a proper From: field in the outgoing mail.
     
  7. outofoptions

    outofoptions Member

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    Add user nobody?

    Set up a mailbox for nobody?
     
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