1 Topic by schnappi (edited by schnappi 2025-01-30 01:02:55)

  • schnappi
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Topic: Server IPv6 on Spamhaus Combined Spam Sources (CSS) list

The IPv6 (not IPv4) of a mail server continuously keeps ending up on the Spamhaus Combined Spam Sources (CSS) list. Specially checked logs for time that Spamhaus stated that IPv6 was added and logs don't indicate anything out of the ordinary or unsolicited mail being sent by any users. Any suggestions to resolve?

Also, I am not very familiar with IPv6. Does the Spamhaus Combined Spam Sources (CSS) block entire blocks of IPv6 addresses as opposed to single addresses only? I realize this forum may not know the answer this this particular inquiry.

==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): 1.7.1
- Deployed with iRedMail Easy or the downloadable installer? downloadable installer
- Linux/BSD distribution name and version: Debian 12
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MariaDB
- Web server (Apache or Nginx): Nginx
- Manage mail accounts with iRedAdmin-Pro? No
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====

----

Spider Email Archiver: On-Premises, lightweight email archiving software developed by iRedMail team. Supports Amazon S3 compatible storage and custom branding.

2 Reply by ZhangHuangbin

  • ZhangHuangbin
  • ZhangHuangbin
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Re: Server IPv6 on Spamhaus Combined Spam Sources (CSS) list

Might be better contact SpamHaus to get some help in this case. sad

3 Reply by schnappi

  • schnappi
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Re: Server IPv6 on Spamhaus Combined Spam Sources (CSS) list

Nothing to do with the server in question. Entire blocks of IP's are banned due to how easy it is to cycle ipv6 addresses. Solution was removing ipv6 from server.