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Thread: SpamBlocker-Powered exim.conf, Version 4

  1. #401
    Join Date
    Apr 2005
    Location
    GMT +7.00
    Posts
    12,397
    Jeff,

    I've never get stats from logs on how much SPAM is stopped according to this check. So if it's working then we might need to keep it. And I've never run into any issue with it. So this is the first case (reported by DutchTSE) known to me.

  2. #402
    Join Date
    Mar 2006
    Location
    Netherlands
    Posts
    199
    [root@xxx exim]# cat mainlog-20140706 | grep impersonating | wc -l
    2533

    Were all send to the same domain, but all from different IP addresses (i have replaced the actual domain by domain.nl):
    2014-07-05 16:59:20 H=(domain.nl) [117.220.241.121] rejected EHLO or HELO domain.nl: Bad HELO - Host impersonating domain name [domain.nl]
    2014-07-05 17:01:42 H=(domain.nl) [81.16.15.106] rejected EHLO or HELO domain.nl: Bad HELO - Host impersonating domain name [domain.nl]
    2014-07-05 17:03:03 H=130-204-45-114.2073762043.ddns.cablebg.net (domain.nl) [130.204.45.114] rejected EHLO or HELO domain.nl: Bad HELO - Host impersonating domain name [domain.nl]
    2014-07-05 17:05:07 H=(domain.nl) [213.111.146.216] rejected EHLO or HELO domain.nl: Bad HELO - Host impersonating domain name [domain.nl]
    2014-07-05 17:05:53 H=(domain.nl) [91.200.138.241] rejected EHLO or HELO domain.nl: Bad HELO - Host impersonating domain name [domain.nl]
    2014-07-05 17:07:10 H=(domain.nl) [31.170.150.67] rejected EHLO or HELO domain.nl: Bad HELO - Host impersonating domain name [domain.nl]
    2014-07-05 17:09:25 H=(domain.nl) [95.67.189.182] rejected EHLO or HELO domain.nl: Bad HELO - Host impersonating domain name [domain.nl]

  3. #403
    Looks like eq makes sense for the $sender_helo_name vs $smtp_active_hostname check, I'll update the 4.3.x version in a moment.

    Site-note: I'd use 4.3.x over 4.2.x... as 4.3.x has been getting updates. Some are for the ESF and BC, but those are optional, and not needed.
    The changes to 4.3.x SpamBlocker itself are still beneficial, even without the ESF/BC being installed.
    The "acl_script" ACL added in 4.3.x is a very handy feature, allowing command-line blocking if an account is at limit (prevents the emails from getting into the queue at all).
    Then there's the
    /etc/virtual/blacklist_usernames feature, which is handy if you need to quickly block a User account, without yet knowing how they're sending spam (blocks everything for that User)

    John

  4. #404
    Join Date
    Sep 2012
    Location
    Lithuania
    Posts
    22
    Hello,

    I would like to ask, where I can find readme file?

    Thank you

  5. #405
    Looks like they've moved it into an archives folder:
    https://www.nobaloney.net/archives/s...mBlocker4.2.3/
    https://www.nobaloney.net/archives/s....exim.conf.txt

    I'll download a copy to files.da.

    John

  6. #406
    Join Date
    Jan 2009
    Location
    Los Angeles CA
    Posts
    234
    Thanks for updating the information John.

    Quote Originally Posted by DirectAdmin Support View Post
    Looks like they've moved it into an archives folder:
    https://www.nobaloney.net/archives/s...mBlocker4.2.3/
    https://www.nobaloney.net/archives/s....exim.conf.txt

    I'll download a copy to files.da.

    John
    Open Source may be free but it sure ain't cheap!
    90% of being smart is knowing what you are dumb at!;
    Specialized web hosting and dedicated VPS
    LAX Web
    NoBaloney RIP Jeff, you are sorely missed old friend

  7. #407
    Join Date
    Dec 2012
    Posts
    19
    Is it possible to disable recipient callout verification for specific domains?
    After upgrading to CB2 and Spamblocker 4, I have a problem with some users sending out legitimate periodic emails to their customers which takes a few hours to send because the server verifies every single one of the hundreds recipient before completing the SMTP transaction.

  8. #408
    Join Date
    Aug 2014
    Posts
    41
    It's good to know that the SpamBlocker development still active, thanks for your efforts.

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