mailq - help on understanding - any action needed?

5 posts / 0 new
Topic locked
Last post
#1 Thu, 01/26/2012 - 12:27
kappler0

mailq - help on understanding - any action needed?

Greetings!

This message below was from running mailq command. I am wondering if this is someone trying to send mail from the server? (i dont know waterdog.com)

Just trying to interpret this correctly... (I have spf records as strict and disallow others and auth on smtp setup.)

0ECC46150A    22906 Thu Jan 26 08:40:41  bounc@targetmyad.com
(host mail.waterdog.com[96.38.242.10] said: 452 4.3.1 Insufficient system resources (in reply to MAIL FROM command))
                                         pattiha@waterdog.com

-- 22 Kbytes in 1 Request.

Thanks a lot!

Thu, 01/26/2012 - 13:04
andreychek

Howdy,

So the domain "mail.waterdog.com" is part of your server, right?

If so, that certainly is an unusual error...

What output do you get if you run this command:

free -m

Also, are you on a VPS of some sort, or is this a dedicated server?

-Eric

Thu, 01/26/2012 - 13:32
kappler0

Hey Eric, no, the waterdog domain is completely unknown to me and therefor should not be allowed to send mail at all...

It is a dedicated server.

[root@mail01 ~]# uptime
13:36:00 up 18 days, 22:22,  2 users,  load average: 0.00, 0.00, 0.00
[root@mail01 ~]# free -m
             total       used       free     shared    buffers     cached
Mem:          3960       2790       1170          0        305       1093
-/+ buffers/cache:       1391       2569
Swap:         6015          2       6013
[root@mail01 ~]#

Scott Kappler

Thu, 01/26/2012 - 14:01
andreychek

Aha, that makes more sense.

That just means that someone tried to send an email to a remote server, and the remote server is having a resource problem at the moment.

That message will sit in your queue until the remote server is available to accept the message.

-Eric

Thu, 01/26/2012 - 14:06
kappler0

OK cool.. just wanted to be sure my smtp security was not breached somehow.. Thx

Scott Kappler

Topic locked