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Mail is blocked

Discussion in 'E-mail Discussions' started by David Robinson, Jan 23, 2005.

  1. David Robinson

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    Some mail going out from our server is blocked. I have absolutely no clue why. Help!
     
  2. linux-image

    linux-image Well-Known Member

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    are any ports blocked by a router firewall ? Have you checked if exim is running on port 25 ?
     
  3. chirpy

    chirpy Well-Known Member

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    Go on, have a guess
    If you want to track email you need to monitor the log file /var/log/exim_mainlog (linux)
     
  4. David Robinson

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    Everything's fine server side, it's certain ISPs that block it.
     
  5. chirpy

    chirpy Well-Known Member

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    Three possibilities then:

    1. You're in a popular RBL - if so you should see bounce errors to that effect in your log file

    2. You don't have an A record for your hostname in the authoratitive zone file for the domain it is in

    3. You don't have an rDNS PTR record setup for your servers main IP address
     
  6. David Robinson

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    Right right... *Cough* What's that mean? I'm a n00b when it comes to this, but willing to learn.
     
  7. dezignguy

    dezignguy Well-Known Member

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    If you are truly willing to learn... you'll find answers to just about any question you have at google.com

    Searching this forum can also turn up a lot of answers.

    Looks like you've already got enough information to start doing something about your problem...

    Look for the errors you receive when sending to these certain servers in /var/log/exim_mainlog (and if you don't know how to use SSH and putty then you'd better start learning :D )

    If the outgoing emails get stuck in the mail queue, you can look at them in WHM and try to deliver them again... and it'll show you the error again there. Then, once you know the error you're getting, then you'll be half-way to solving the problem.
     
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