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How do I change ip that email leaves & comes back to?

Discussion in 'E-mail Discussions' started by wildonehosting, Mar 12, 2005.

  1. wildonehosting

    wildonehosting Registered

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    Apparently when the security of one of our servers was compromised awhile back with a php file that generated an enormous amount of spam aol & a few other companies blocked our users from emailing people who are on their service! I was wondering if anyone had any suggestions or how we could change the IP that email leaves & returns on so that we can get arround block now that problem has been resolved!
     
  2. DigitalN

    DigitalN Well-Known Member

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    Find this part of exim.conf

    remote_smtp:
    driver = smtp

    and change it to

    remote_smtp:
    driver = smtp
    interface = 123.123.123.123


    Where 123.123.123.123 is your IP to set the mail server to use.

    Make sure that you have a new PTR (reverse dns) record added by the datacenter for that IP.

    Restart exim once the change has been made.
     
    #2 DigitalN, Mar 13, 2005
    Last edited: Mar 13, 2005
    wadearnold likes this.
  3. Ali

    Ali Well-Known Member

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    Hi,

    Is there a way to possibly configure EXIM to use a different interface for specific Domain(s)?

    Thanks.
     
  4. chirpy

    chirpy Well-Known Member

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    I guess it's possible. Unless someone posts with a way to do it, you'd be better of having a look at exim's site or asking on the exim mailing list.
     
  5. brianoz

    brianoz Well-Known Member

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    This isn't particularly polished but it looks to provide a reasonable answer:

    http://nixdoc.net/files/forum/ptopic44008.html

    Let us know how you go, I'm sure a lot of people are interested in this.

    Also, if you want cpanel to add this as a feature, please vote for the bugzilla enhancement request to allow the outgoing email IP to be specifiable in WHM:

    http://bugzilla.cpanel.net/show_bug.cgi?id=2563
     
  6. brianoz

    brianoz Well-Known Member

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    DigitalN's procedure for changing the outgoing SMTP IP address works perfectly, just for the sake of the record.
     
  7. DaveT

    DaveT Active Member

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    I also need to do this...

    I'm also in the position of needing to add an
    interface = xx.xx.xx.xx
    into my exim.conf ... whilst I can manually do that, each time that I do a cPanel update it's likely that my changes will be over-written.

    The
    remote_smtp:
    driver = smtp
    is just underneath an input box, however placing the "interface" statement there is blatantly wrong, and trying to put the whole
    remote_smtp:
    driver = smtp
    interface = xx.xx.xx.xx
    block in the box makes the syntax check complain because there are two sets of remote_smtp.

    Is there a cPanel friendly way of achieving this that won't be over-written???
     
  8. chirpy

    chirpy Well-Known Member

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    AFAIK, unfortunately, there isn't a cPanel friendly way to add it in. The bugzilla entry Brian has added is requesting one.
     
  9. lloyd_tennison

    lloyd_tennison Well-Known Member

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    I just put in postupcp to copy MY exim.conf back every time and review the logs to see if they made any changes to exim.
     
  10. SubZero

    SubZero Well-Known Member

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    In fact there is one.. and is working perfectly well.. :) check back an old msg:

    http://forums.cpanel.net/showpost.php?p=181360&postcount=15
     
  11. chirpy

    chirpy Well-Known Member

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    Well spotted :)
     
  12. sawbuck

    sawbuck Well-Known Member

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    Thanks SubZero. Can also confirm that method works.
     
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