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  1. #1
    Roll Tide mobilebadboy's Avatar
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    Any server admins care to lend a hand?
    (note that I'm editing out any IP/domain info. This is a new site I'd like to keep under my hat until it's launched).

    Using WHM/cPanel.

    I'm having some issues getting email to send or receive through my mail server. I have rdns setup. DNSReport.com detects the rdns fine:

    PASS
    Reverse DNS entries for MX records

    OK. The IPs of all of your mail server(s) have reverse DNS (PTR) entries. RFC1912 2.1 says you should have a reverse DNS for all your mail servers. It is strongly urged that you have them, as many mailservers will not accept mail from mailservers with no reverse DNS entry. Note that this information is cached, so if you changed it recently, it will not be reflected here (see the www.DNSstuff.com Reverse DNS Tool for the current data). The reverse DNS entries are:

    xxx.xxx.xxx.xxx.in-addr.arpa server.mydomain.com. [TTL=3600]
    But it can't actually connect (just like I cant):

    Mail FAIL Connect to mail servers ERROR: I could not complete a connection to any of your mailservers!

    mydomain.com: Timed out [Last data sent: [Did not connect]]

    If this is a timeout problem, note that the DNS report only waits about 30 seconds for responses, so your mail may work fine in this case but you will need to use testing tools specifically designed for such situations.
    When I try to recieve, no [test] mail ever comes through but it connects and disconnects without fail. When I try to send out I get (in OE):

    The connection to the server has failed. Account: 'support@mydomain.com', Server: 'mail.mydomain.com', Protocol: SMTP, Port: 25, Secure(SSL): No, Socket Error: 10061, Error Number: 0x800CCC0E
    I've tried webmail and it won't send out either.

    My MX record is set to mydomain.com (I've also tried mail, mail.mydomain.com as well as the hostname. Nothing works).

    Any ideas?

    Shawn Kerr (.com) | Disney World | SEC Football

  2. #2
    Resident Genius and Staunch Capitalist Leader's Avatar
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    For mail I have:

    pop3.mydomain.com for incoming
    smtp.mydomain.com for outgoing

    I wouldn't think it'd matter whether its cpanel or not (mine's not)...

    I'm not sure how they refer to those records (ie, whether it should be "MX" or something else)--at Rackspace there's a DNS wizard I use. I do know that those mail subdomains I listed are part of the program, though, so I would guess that's the most common setup.
    There is no knowledge that is not power. ~Hemingway

  3. #3
    Not Verif-Lidated infoTim's Avatar
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    If you do 'telnet myserver.com 25' to talk to the smtp port, does it give you a welcome message?

    - Tim
    Tim
    consultant by day, affiliate by night

  4. #4
    Roll Tide mobilebadboy's Avatar
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    Nope. I'm on Comcast, and I know they block port 25. I've enabled exim on 26 (restarted exim) and still get a connection refused error (by telnet). Same failed message in OE too.

    I can telnet to cppop just fine though. Which makes the vanishing emails even weirder, on the POP side.

    Shawn Kerr (.com) | Disney World | SEC Football

  5. #5
    Roll Tide mobilebadboy's Avatar
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    Solved, thanks to the kick ass support (Joe Hardesty) at Gnax!

    Hated to bother them, glad I did!

    Shawn Kerr (.com) | Disney World | SEC Football

  6. #6
    Resident Genius and Staunch Capitalist Leader's Avatar
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    So what was the answer? Or did they just fix it for you without being specific?
    There is no knowledge that is not power. ~Hemingway

  7. #7
    Roll Tide mobilebadboy's Avatar
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    His final response was:

    It looks like something may have gone wrong in the initial install, exim just wasn't working. I ran /scripts/exim4 to get it up and running.

    Shawn Kerr (.com) | Disney World | SEC Football

  8. #8
    Not Verif-Lidated infoTim's Avatar
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    That's why I asked about the telnet test, it sounded like your MTA wasn't running or was firewalled off. :-)
    Tim
    consultant by day, affiliate by night

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