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- Fri Mar 29, 2019 7:27 am
- Forum: Mail Server
- Topic: mail server sending out thousands of spam mails
- Replies: 4
- Views: 5887
mail server sending out thousands of spam mails
i have no idea why this happens, but apperently my smtp server is open? I have 800.000 unsend mails in my queue, and rising. I already removed them yesterday, blocked all access to port 25, but this morning there are again 500.000 mails. What can i do? i tested for a open relay on https://mxtoolbox....