| [help] cPanel Backup Mail Exchanger setup Hi all,
Just after a little help with setting up the backup mail exchanger in cPanel and hopefully posted in the right forum.
At the moment, my DNS is hosted away from my cPanel host along with email.
I'd like to be able to use the backup mail exchanger option on cPanel as a backup MX.
I've been trying to get this setup, but without success, so was hoping someone here could assist.
I currently have with my DNS provider (made up entries, but gives the idea);
10 mail.external.com
10 mail2.external.com
20 mail.host.com
Then within cPanel, I've setup email routing for the domain as 'backup mail exchanger', then entered the following as MX records;
10 mail.external.com
10 mail2.external.com
But, this doesn't seem to work, as I've tried removing the prior 10 entries at my DNS provider hoping 20 would pick up, then when 10 come back online, they receive the message.
However, when I bring 10 back online, lucky enough, the sending server has spooled and retried. In a way, this is good, however, I want the mail to be picked up by the backup MX and not rely on spooling and retrying.
I hope that all makes sense, but has anyone any ideas?
Thanks,
Chris |
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| Any takers? Anyone with any idea?  |
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 Defiance82Computer ElitePremium
join:2002-09-11
Burlington, WI
 ·Time Warner Cable
·Suddenlink
| reply to Black20VT
You might have some luck posting this over at »www.webhostingtalk.com/. They could probably help you with anything web related.
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Affordable Web-Hosting, Reseller Hosting, Ventrilo, & Teamspeak services since 1999 @ »www.deadlyservers.com |
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decxPremium
join:2002-06-07
Vancouver, BC | reply to Black20VT
I don't think you can test your backup mail server by altering your MX records.
When you change your DNS records to remove the higher priority servers it takes time for the change to propagate. Before that occurs the sending server will still send to your external servers. |
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| reply to Black20VT
Thanks for the help, but with a bit of trial and error, but I seem to have it up and running 
However, does anyone know of any other sites I can use to test it?
I only know of - »www.wormly.com/test_smtp_server |
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 MVSPremium
join:2005-04-18 | Here's another: »pingability.com/smtptest.jsp |
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| Thanks for that one, but previously spotted it.
Was looking for something to test receiving rather than sending.
Thanks anyway. |
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korstj
join:2000-08-26
San Diego, CA | reply to Black20VT
Just a note. Using a backup MX server has it's difficulties and I wouldn't recommend it. Spammers these days will find them and use them as opposed to primary MX because in many cases, the spam filtering is much more lenient on a backup.
In the old days, yeah, using a backup MX server made sense. But these days, it doesn't. If your primary MX goes down hard (and you don't have a secondary MX), 99.9% of mail servers will simply queue mail for your domain(s) and keep trying for a set amount of time (like 3 days) and when it comes back up, it will deliver the email. So, if you're primary mail server host is halfway decent, you shouldn't need a backup MX at all. |
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