Checking the logs of my exim i see many lines like below from different ipadress and and fake emailadress with the registered domains on my server. FAIL2ban is blocking the different IP but the list of blocks is very long. Any suggestions?
2025-04-12 09:19:01 H=adsl-84-226-219-137.adslplus.ch [84.226.219.137] F=<isxgn61vk1wal1@scformula.com.ua> rejected RCPT <e4mcxex2j6cpe0@cretanxxxxx.gr>: Too many recipients, limit is 15 recipients
2025-04-12 09:19:01 H=adsl-84-226-219-137.adslplus.ch [84.226.219.137] F=<isxgn61vk1wal1@scformula.com.ua> rejected RCPT <e4mcxex2j6cpe0@cretanxxxxx.gr>: Too many recipients, limit is 15 recipients
Statistics: Posted by rogero — Sat Apr 12, 2025 9:23 am