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Thread: My Distribution List Sending Spam

  1. #1
    Mido3mad is offline Active Member
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    Default My Distribution List Sending Spam

    Hi all,

    We notice today that is our distribution list sending spam outside ( dont know how ) but it sending by distribution list mail address

    and /var/log/zimbra.log and audit.log seems to be normal

    Any Help?

  2. #2
    justdave is offline Trained Alumni
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    The From line on email can be spoofed. Is the mail actually going through your mail server or is someone just using your address? You'll need to look at the Received: headers in the email to figure that out.

  3. #3
    Mido3mad is offline Active Member
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    Sorry It was originally sending from other server sending and its replay path as my distribution list address

    I add this domain to my blacklist there is any other ideas to solve it?

    at anyway can i send mails from distribution list ??
    Last edited by Mido3mad; 10-20-2012 at 02:41 AM.

  4. #4
    justdave is offline Trained Alumni
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    The From address is generated by your email client. Whatever you have configured in it is what it'll use, and you can change that to whatever you want. (This is using clients such as Thunderbird, Postbox, Outlook, etc). I know in Thunderbird you can add additional "identities" that aren't your primary email address, but are associated with your account. I use this for replying to mail to our hostmaster and abuse addresses (which are distribution lists) so that the From address when I reply shows as the hostmaster or abuse address.

  5. #5
    Mido3mad is offline Active Member
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    Ya it make me confused

    I checked my spf record and its working fine any solution to not make other send by my domain name or its depend on the server they sending spam from?

  6. #6
    justdave is offline Trained Alumni
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    SPF is only stating your intentions, it's up to the recipient of the email whether they honor those intentions or not. A lot of places still don't. Anyone who's actually checking SPF on mail coming from your domain would reject it or tag it as spam if it didn't originate on your servers, but anyone who's not checking the SPF will still get it, and there's not really anything you can do about it. That's just the way mail works. You just have to hope the recipients are smart enough to check the headers and realize it didn't actually come from you.

  7. #7
    Mido3mad is offline Active Member
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    hope so better thing that my mail working fine

    and we dont receive any undelivered messages anymore i think they realize it and mark it as a spam

  8. #8
    Mido3mad is offline Active Member
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    Thanks dave

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