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Check that backup MX actually does its job

 
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Top Forums UNIX for Dummies Questions & Answers Check that backup MX actually does its job
# 1  
Old 10-17-2008
Check that backup MX actually does its job
Hey!

I have just configured an backup MX using Mail::Toaster under FreeBSD.
As I'm a novice when it comes to mailservers, I need to ask someone how to check that this backup really does its job.

My primare MX is unfortunately on a Dynamic IP line, but its unsusual for it to change the IP.
So far it has hapend i think 4 or 5 times in a 3 year period.
Allthough, the server will soon be moved and there will be at least a few IP changes, and maybe even some other problems. Hence the backup MX (Either way, having it is good in the future).

But how can I check it? Do I just have to shut down the primary MX for lets say 10 minutes? And if everything works, the mail should be in the queue on the backup machine, waiting to be sent over to the primary machine?
Last edited by noratx; 10-17-2008 at 11:30 AM..
# 2  
Old 10-17-2008
That would be a good way to do it.
You are then testing a real world scenario.
# 3  
Old 10-17-2008
Ok...
I don't know if you are familiar with mail::toaster.. but, the suite has a script that is setup to do some checks and send a mail to the postmaster account every 5 minutes...
I just made an "qmail queue" and found this:

backup# qmail queue
messages in queue: 277
messages in queue but not yet preprocessed: 275
17 Oct 2008 09:25:03 GMT #547616 1960 <#@[]>
16 Oct 2008 18:31:39 GMT #547601 1163 <>

Do you know what I can do to find out why the mails is staying in the queue? I don't find much in the logs.. =(
# 4  
Old 10-17-2008
Hmm... I was just starting to think...
As Mail::Toaster is a whole suite, containging both POP3/IMAP and qmail...
Wouldn't I only be needing qmail to be able to use my server as a backup MX?
Other things like courier, vpopmail and so on, is not at all needed as all the maching would do is to relay them untill the primary server is up and running again?

Or am i wrong?
# 5  
Old 10-18-2008
I could not tell you. I was just responding to the original question on how to test MX records.
 
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