Postfix - Help needed in stopping unknown email users
I have configured postfix email in my domain. Recent days I see lot of unknown emails going through my domain. ex: firstname.lastname@example.org. I need you guys to show me a way to stop this. More than 100 emails are being sent from my domain. As a result I stopped my mail service now. Let me know ASAP.
Did you read/understand the answers? There are two links in there, related to securing a postfix server. What have you done/tried??? What have you researched on your own? What error(s) are you getting?? Environment you're in? Firewall(s)? ANY hints? I suggested in your other thread (since you said you were new to Linux), that you hire a consultant, since securing an email server/environment is a daunting task.
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