Hello friends, my zimbra mail server has been blacklisted on spamhaus.org
The error message is:
(IP, UTC timestamp, forged HELO value)
xxxxxxxxxxx 2021-09-16 13:20:00 Qkxioqckr.lkoiaiccmiofdmc.com
xxxxxxxxxxx 2021-09-15 17:50:00 Cejuio.lihd-mokpiuqi.com
xxxxxxxxxxx 2021-09-15 15:30:00 Fodrq.zrlkzlmeack.com
xxxxxxxxxxx 2021-09-15 13:35:00 Yadou.466lzaijaex.com
xxxxxxxxxxx 2021-09-15 12:10:00 Pzqjfiaa.ykkxzwkk.com
The first detection was (UTC) 2020-12-10 16:40:00
The last detection was (UTC) 2021-09-16 13:20:00
Could you help me to solve it urgently please! I tried everything and I can't find the problem, I am a newbie in this spam things. thanks.
Discuss your pilot or production implementation with other Zimbra admins or our engineers.
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