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Level 1

5 points

10.8 Mail Server not sending Emails

Hey guys,

I've build up my OSX 10.8 server yesterday and everything worked out well. My website is online, the ports I need are open and the EMail clients are able to connect to my server. But I have a mayor problem...the EMails I send disappear during proccess of sending. I used a @live.de account for testing in both ways but the emails just wont be delivered!? Doesn't matter which way I try it! The one thing that is really confusing me is that I'm able to send myself emails betweet two test account I created on the server...

So far I've tested: ports, MX-Records, static IP(I don't use dyndns or something like that)!

Thanks in advance.

Mac mini, OS X Server, Mac Mini running OSX Server 10.8.2

Posted on Dec 3, 2012 1:52 AM

33 replies

D0nEichi Author

Level 1

5 points

Dec 5, 2012 3:01 PM in response to JaimeMagiera

D0nEichi Author

Level 1

5 points

Dec 5, 2012 3:02 PM in response to JaimeMagiera

D0nEichi Author

Level 1

5 points

Dec 5, 2012 3:02 PM in response to JaimeMagiera

D0nEichi Author

Level 1

5 points

Dec 5, 2012 3:02 PM in response to JaimeMagiera

Dec 5, 2012 3:54 PM in response to D0nEichi

Is mail coming through now?

D0nEichi Author

Level 1

5 points

Dec 5, 2012 4:18 PM in response to JaimeMagiera

Nope :/

Nothing...maybe the DNS has to settle and updated worldwide within the next hours?

Does it look good now?

Dec 5, 2012 4:35 PM in response to D0nEichi

If you send the mail from a machine that is using your server for DNS queries, it should work automatically. DO you have a cllient machine where you can set the DNS server to your server? That would tell you pretty quick.

UptimeJeff

Level 4

3,479 points

Dec 5, 2012 5:15 PM in response to D0nEichi

I wouldn't recommend you use your own server for public DNS.

Your registrar is network solutions (netsol), and at netsol you point NS for your domain to a hostname in your domain. This creates a problem, nobody can reach your server for dns resolution.

google DNS Glue Records. If you continue to delegate your domain to your server, you'll need either glue records or another domain to work with.

Really, I would avoid that config.

Let network solutions provie your public DNS and use your server for internal DNS.

My recommendation is to go into Netsol an change the DNS back to to hosted at netsol.

D0nEichi Author

Level 1

5 points

Dec 5, 2012 9:32 PM in response to UptimeJeff

I have 3 more domains...2 of them can't go offline. So I have to prepare everything....

D0nEichi Author

Level 1

5 points

Dec 5, 2012 9:37 PM in response to UptimeJeff

Why would I wanted to make life difficult if I could use just MX and A Records instead of name servers?

pterobyte

Level 6

11,098 points

Dec 6, 2012 2:09 AM in response to D0nEichi

The nameservers for your domain are listed as ns.udagdns.de and ns.udagdns.net. This means that any DNS records need to be entered on those name server. Records you add to your DNS on your server are irrelevant.

The same way you added MX records at your provider's web based control panel, you also need to add the A records in the same place.

D0nEichi Author

Level 1

5 points

Dec 6, 2012 10:13 AM in response to pterobyte

That is what I did!!

I searched through my router and found some primary DNS and secondary DNS which I entered now and I also entered an IPv6 adress...have to wait for an hour now and check if **** is working out later....

pterobyte

Level 6

11,098 points

Dec 6, 2012 11:32 AM in response to D0nEichi

Not sure what you did. Your router or IPv6 have nothing to do with your issue. You need to add A records for mx1.redra1n.net and mx2.redra1n.net at the name servers authoritative for your domain. Looking your domain up, your NS are ns.udagdns.de and ns.udagdns.net which seem to belong to united-domains.de

D0nEichi Author

Level 1

5 points

Dec 7, 2012 4:35 AM in response to pterobyte

I got it up and running now !
The whole problem was at my domain provider!

Thank you very much for your help!

Jan 8, 2013 6:13 PM in response to D0nEichi

Care to elaborate a little? I'm having the same problem but I have A and MX records on both my server and my domain registrar and as of upgrading to 10.8 Server my mail server won't send or receive email.

The 'Forwarding Server' in my DNS panel is set to my router. I have one host name server.mydomain.com set to my server's IP and the create MX record checkbox is checked. When I show all, it expands the one entry into three lines that all say the same host name but with different words after them... 'machine', 'mail exchanger', and 'name server'.

At my registrar, I created an A record for server.mydomain.com and pointed it to the static IP of my Mac mini... I created an MX record this name as well.

What am I doing wrong?

10.8 Mail Server not sending Emails