问题
I checked my IP address today because I was getting bounced back emails and I see it has been blacklisted on a few lists. I only use my website to send out customer emails and no newsletter emails; so I don't send many emails out.
I don't know why my dedicated IP address would be blacklisted; is there a way to check my server running Plesk to see if someone is using my IP address to spam?
Thank you!
回答1:
prints destination of all email which sent from your server:
cat /var/log/maillog | grep 'to=<[a-z0-9_\.-]\+@[\da-z\.-]\+\.[a-z\.]\{2,6\}>' -o
回答2:
Check the outgoing logs on your mail server to see if there are messages in there that you don't recognize.
来源：https://stackoverflow.com/questions/19825024/how-to-check-if-server-is-sending-out-spam