Hi Alex, You should be able to see more details in /var/log/mail.log. postfix is pretty verbose in the logs. Try sending a test mail and observe the log file. Revert with the relevant entry to see what happened.
On September 21, 2016 12:30:27 AM EEST, Alex Hall <ah...@autodist.com> wrote: >Hello list, >A very quick intro first. I work for a company that uses all virtual >servers, a change we recently adopted. I'm setting up Request Tracker >for >internal use, which requires a Linux system to run. Thus, I'm learning >about Linux and all of RT's required packages at the same time. I'm >comfortable on the command line, and know the basics of Bash, but I'm >no >expert. I'm running Debian 8, Postfix, Fetchmail, and Request Tracker, >all >with the latest updates as of today. Our company uses Google Apps to >manage >mail for our domain, so my address (ah...@domain.com) is essentially a >Gmail address. That'll be important in a minute. > >Now, to why I'm sending this email. To make sure RT was going to work, >I >set it up on a Digital Ocean server, also Debian, and was able to get >things working pretty easily. The bit that matters here is that I was >able >to get Postfix working; it would send out emails as Request Tracker >told it >to, and everyone received them with no problem. Since that worked, my >boss >told me to move it to a virtual server on our network, which I did. >That >was two weeks ago, and since that move, not one email has been received >by >anyone in the company from that server. > >From all I can tell, Postfix is doing it right: it sends the emails, >and so >long as the recipient is *not* @domain.com, the message is delivered. >If it >*is* @domain.com, the message silently disappears. This holds true >whether >I use Gmail or Mandrill as the relay for Postfix--non-company addresses >work, company ones do not. The Mandrill logs seem to indicate that my >messages lack a sender, which suggests that my envelope may be >malformed, >thus causing Gmail to flip out when it sees them. > >What I hope people on this list can offer are suggestions regarding >what I >can do to fix this. Why my Digital Ocean server worked perfectly, and >my >internal, virtual server doesn't is the biggest mystery. I don't know >how >to tell Postfix to let me see the full details of outgoing messages so >I >can examine them. Oh, speaking of outgoing messages, RT isn't the only >one >whose messages run into this problem. The following command encounters >it, >too, despite my extra headers: > >echo "test" | mail -s "test" -a "from: Postfix ><validusern...@domain.com>" >-a "reply-to: Postfix <validusern...@domain.com>" ah...@domain.com > >My server seems to have the right name, too. The result of 'hostname' >is >'myServerName', and 'hostname -f' is 'myservern...@domain.com'. I have >no >aliases set up, but neither did I on the Digital Ocean server; this >server >is meant for RT, not to send out its own emails, so I don't think I >need >aliases. (?) > >Bottom line: on one server, everything was great. On my company's >virtual >server, with the same configuration, packages, and settings, mail sent >out >is silently discarded by Gmail when delivered to anyone on the >company's >domain. I must be missing required envelope details somewhere, but I >don't >know where. I'm hoping someone can suggest where I can look, and what I >can >try, to fix this. Please let me know what additional information is >required to troubleshoot this problem. Thank you in advance. > >-- >Alex Hall >Automatic Distributors, IT department >ah...@autodist.com -- Sent from my Android device with K-9 Mail. Please excuse my brevity.
