Able to send but unable to receive emails

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March 27th, 2012, 06:11 AM

fuel4mind

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Able to send but unable to receive emails

Hi all,

I am a beginner and very recently I have started looking in to technical stuffs. I have installed webmin on my Cent OS and have configured pretty much everything from there. However I am not able to trouble shoot my email problem.

I have configured Postfix through my webmin and I am able to send outgoing emails. But I am not able to receive any emails on that address. I have added Mail Server Records in Bind DNS Zone but nothing seems to work.

I can see mx records for my domain only with www but not without www. Also I got the following headsup from pingability,

This mail server on IP (xx.xx.xx.xx) has no reverse DNS (PTR) record. Some email servers require a PTR record from any server that connects to them and reject any email from a mail server without a PTR record.

I am not sure how to fix this issue? Please help me in resolving this issue.

March 27th, 2012, 11:17 AM

hiker

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Quote:

Originally Posted by fuel4mind

I can see mx records for my domain only with www but not without www. Also I got the following headsup from pingability,

What exactly does your zone file look like? What are the MX records you have listed?

Quote:

This mail server on IP (xx.xx.xx.xx) has no reverse DNS (PTR) record. Some email servers require a PTR record from any server that connects to them and reject any email from a mail server without a PTR record.

You can contact your ISP to set up rDNS. A PTR should not necessarily prevent emails from being received.

Have you added the domain(s) to receive email from to your server? There is a section within Webmin to allow you to do this.

Can you send email within the domain? (user1@domain.com --> user2@domain.com)?

Have you checked your log files yet?

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March 27th, 2012, 11:57 AM

fuel4mind

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Sorry I couldn't post my records here as it contains links. You can see my records and other info at

https:// www. virtualmin. com /node/21677

March 27th, 2012, 03:44 PM

hiker

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Try changing your zone file to something along these lines:

Quote:

example.com. IN SOA ns1.example.com. email@example.com. {
2012032701
10800
3600
604800
38400
}

example.com. IN A xxx.xxx.xxx.xxx
www.example.com. IN A xxx.xxx.xxx.xxx
mail.example.com. IN A xxx.xxx.xxx.xxx
ns1.example.com. IN A xxx.xxx.xxx.xxx
ns2.example.com. IN A xxx.xxx.xxx.xxx
(and whatever other A records you need get added along with the 3 above this)

example.com. IN MX 10 mail.example.com.

example.com. IN NS ns1.example.com.
example.com. IN NS ns2.example.com.

After any change, make sure you restart the named service.

March 28th, 2012, 02:19 AM

Doug G

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What program are you using as a MDA? As far as I know postfix doesn't create mailboxes, it only accepts incoming mail and hands it off to your mail delivery agent. My mail server uses a combination of postfix and dovecot/dovecot imap. Dovecot is what creates the user mailbox storage for incoming mail.

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Able to send but unable to receive emails

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