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  1. #1
    Join Date
    Mar 2005
    Posts
    359

    RBL Lists SMTP Protection doubt

    Hi,
    One IP is blocked on some RBL Lists, is it possible to grant access for this IP on my server, avoiding SMTP RBL blocking?

  2. #2
    Join Date
    Mar 2004
    Location
    Singapore
    Posts
    6,984
    It depends on the SMTP software you are using , normally SMTP should have a white list where you can add IPs you want to bypass RBL or other spam checks.

  3. #3
    Join Date
    Mar 2005
    Posts
    359
    Im using the last exim / centos3.4 / cpanel.

    I use this tutorial to setup RBL protection:
    http://www.webhostgear.com/index.php?art/id:175

  4. #4
    Join Date
    Aug 2004
    Location
    Karachi, Pakistan
    Posts
    747
    If you're checking with an RBL before accepting email - then the answer is no. You need to check with your SMTP Server - if you insert a name on a white list - what's the correct flow of things...

    (a) will the server when opening an SMTP connection - check with White list first

    (b) or will the server first do an RBL/RDNS on it and then check with White list.

    In case of latter, it would defeat the intent of what you are trying to do.
    "I drink too much. The last time I gave a urine sample it had an olive in it. ".
    Rodney Dangerfield (from "I Get No Respect!").

  5. #5
    Join Date
    Mar 2005
    Posts
    359
    My first exim lines :

    domainlist rbl_blacklist = lsearch;/etc/rblblacklist
    domainlist rbl_bypass = lsearch;/etc/rblbypass
    hostlist rbl_whitelist = lsearch;/etc/relayhosts : partial-lsearch;/etc/rblwhitelist

    and then continue...

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