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The SMTP IPv4 DNS Block List.
Current Block List IP Count: 448 Million
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Is my email server listed?
You can find out, here are some simple well known online sites that allow you to search multiple lists simultaneously:
    1. http://multirbl.valli.org
    2. http://justspam.org
    3. http://unifiedemail.net

If you do find that your IP is listed on V4BL and would like for it to be removed, first review your RDNS record via any public DNS server.
If you find that your RDNS record does not match your email servers HELO/EHLO string, STOP! Save yourself some time and update the RDNS first.

If you are unsure about the EHLO/HELO string being used, you can choose the "Test by sending an email" option and press "send" for emailing instructions.
In any case, TAKE THIS BASIC TEST BEFORE REQUESTING DELISTING


IP REMOVAL REQUEST >><< CLICK here to submit
(DO NOT PRESS ENTER) Enter only one single IPv4 address at a time.
Here are some recently entered IP removal requests:
Here are some recently denied IP removal requests:

Why is rDNS (Reverse DNS) important in stopping SPAM?
E-mail server basic setup steps

CONTACT US:
(Please do not email us with IP removal requests without having tried the online form: v4BL.org/delist)
Email support: Simply click on either of the green "at" symbols below.
      V4BL.ORG@GMAIL.COM   &   LIST.SUPPORT@V4BL.ORG
      (If you are going to type in our email address manually, please send to both email addresses)
Twitter.com/v4BL Follow @v4BL
Regular Post: P.O. Box 162756, Miami FL USA, 33116-2756

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