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I have Amazon EC2 (windows) instance which hosts Tomcat & Apache James mail server.
James works fine on EC2 locally (I have created a domain and updated etc/hosts file to mimic domain. Using thunderbird client on same machine, I was able to send messages between accounts on same domain).
Now I am trying to map james to real domain. I have registered a domain with goDaddy say mycompany.com
- created one A record on Route 53: mailserver.mycompany.com points to EC2 instance IP
- created MX entry on Route 53: mailserver.mycompany.com 0(priority) mailserver.mycompany.com
- Pointed all Mail related DNS Zone file entries in GoDaddy to mailserver.mycompany.com
Now I am confused on while adding domain to James, what should be the host name & domain name I use?
should host name be localhost (or) mycompany.com? should James domain name be mycomapny.com (or) mailserver.mycompany.com?
Any help would be appreciated. Thanks for your time & help.
kosa
Posted 2013-10-07T19:03:32.270
Reputation: 23
3Note that many IP addresses used by EC2 instances are already blacklisted across much of the Internet. You are unlikely to be able to reliably email from an EC2. – ChrisInEdmonton – 2013-10-07T19:07:20.617
@ChrisInEdmonton: Agree. At this moment I am less concerned about it, because my application is still in POC mode. – kosa – 2013-10-07T19:09:30.470
Not using James, but I think the MX entry should be "mycompany.com 0(priority) mailserver.mycompany.com", and you should have as servernames both localhost and mycompany.com. – harrymc – 2013-10-10T05:49:28.557
@harrymc: Thanks for your comment, Should I open port 25 in both inboud/outbound rules (Amazon EC2 is very restrictive)? and How can I validate my mail server is ready for incoming messages from outside world? – kosa – 2013-10-10T20:32:39.333
Port 25 is required for send and receive. For validation this link might be useful.
– harrymc – 2013-10-10T22:09:44.570Are my comments above worthwhile as an answer? – harrymc – 2013-10-11T05:22:00.993
@harrymc: For validation I have used few public websites etc., One change I did as per your suggestion is, MX mapping to mycomapny.com instead of mailserver.mycompany.com. your comments worth answer, I am not sure because I have done lot of trail/errors to get it working. If you can enhance your comment and make it as answer for James 3, I would be happy to accept it, otherwise I will write an answer with my experience. – kosa – 2013-10-11T14:14:04.720
Since you have used parts of my comments, I have collected them below as a partial answer. You should collect your findings in an answer of your own, or at least list the sources that you found useful. – harrymc – 2013-10-11T16:53:44.593
@harrymc: Yes make sense. (or) I will improve your answer and accept it with bounty (most probably on weekend). – kosa – 2013-10-11T17:04:57.757
@harrymc: Gave bounty and accepted answer. Will edit your answer when I get few minutes. – kosa – 2013-10-17T13:59:15.167