Tag Archives: mail

Simplest Linux Administrator Measure/Notification Toolset

It's very important to know about server problems before they have impart on overall system performance and stability. Typical problem with server that may occur: missing disk space high server load (caused by CPU/IO) In past I had problems with … Continue reading

Posted in en | Tagged , , | Comments Off on Simplest Linux Administrator Measure/Notification Toolset

550 Relaying denied. Please use SMTP Authentication.

I got this error ("550 Relaying denied. Please use SMTP Authentication") during e-mail sending. Other error that is visible: "553 sorry, that domain isn't in my list of allowed rcpthosts". My configuration had the following entries in DNS records: SOA … Continue reading

Posted in en | Tagged , | Comments Off on 550 Relaying denied. Please use SMTP Authentication.

How to drop current postfix queue

How to drop selected emails from postfix queue (useful when many automated e-mails are blocking it): # mailq | awk '/^[A-Z0-9].*some.email@domain.com/ {print "postsuper -d " $1} ' | sh or simpler: purge all queue (warning: you can loose important, undelivered … Continue reading

Posted in en | Tagged , | 1 Comment