Mail Server Archives - Sys Admin Guides, How To's, etc by Marios Maravelias

xinetd[#]: Deactivating service smtp due to excessive incoming connections. Restarting in 30 seconds.

Nov

15

2007

This happened to a Plesk 8.x Linux (RH) server, the problem was that smtp service was up and running, and the queue was very light , but smtp wouldn’t accept any connections at port 25 even from localhost. In the /var/log/messages I saw this disturbing message: xinetd[#]: Deactivating service smtp due to excessive incoming connections. ...

How to check if some one is spamming from my server (Linux Plesk 8.x)

Nov

13

2007

If you see a lot of smtp connections or your server gets constantly in spam black lists, maybe you should check if some bot spams through your server. The are 2 cases of spamming through a box: 1)using unsecure php forms that bots abuse 2)using smtp connection from an outside client this artice is about ...

How to send an email via telnet

Oct

29

2007

Run the command telnet [host] port for example: -telnet mail.domain.tld 25 Right after the connection is established

How do i send emails from my Web Application ? (.NET & ASP)

Jul

11

2007

here you can find various ways of sending emails with .NET 2 / .Net 1 CDONTS / Persist’s AspEmail / VB / PHP etc

Smtp Connections list

Jun

4

2007

You can check what connection you have via smtp protocol with the simple command: netstat -a | grep smtp

How do I change the address Qmail (MAILER-DAEMON@hostname.tld) sends error messages to.

May

29

2007

As By default Plesk administrator’s email address is listed in: