mail server setup

Linux Entropy – Usefull For Your Mail Server

List available entropy If you are not sure, whether you need haveged, run: # cat /proc/sys/kernel/random/entropy_avail This command shows you how much entropy your server has collected. If it is rather low (<1000), you should probably install haveged Resources:  

SOLVED: Yahoo temporarily deferred due to user complaints

Did you get this error message from Yahoo, when trying to send emails? Messages from *.*.*.*¬†temporarily deferred due to user complaints –; see (in reply to MAIL FROM command)) Well, I’ve got it too. After I searched the Internet, I’ve found this solution: How to remove Yahoo “temporarily deferred due to user complaints” … Read more