Okay, so it wasn't necessary for me to change my hostname, just as long as it matches the DNS records?
I also noticed that $myhostname was defined, not by the file, but by a direct assignment in main.cf. I changed that too. On December 14, 2014 at 12:57 PM, li...@rhsoft.net wrote: > >Am 14.12.2014 um 18:50 schrieb ghalvor...@hushmail.com: >> I decided to change the /etc/hostname to bob.example.com >(previously example.com) in order to conform more closely with the >document. >> >> http://www.postfix.org/STANDARD_CONFIGURATION_README.html >> >> I didn't think I really needed to have a hostname, because why >would a single machine need to have a second name (other than the >domain). but ti did seem to create some wacky defaults in the >main.cf when the postfix package was installed. >> >> But the smtp_banner worries me. I want this machine to send and >receive mail from a multitude of domains that I own > >that don't matter > >just make sure smtp_helo_name == A-Record == PTR-Record and you >have a >perfect DNS setup for a mailserver, the only thing someone checks >is >that these are valid and in the best case match in all directions > >it's pretty common to host hundrets of domains on >"mail.exmaple.com" >with that HELO name and mathcing DNS records as well as a matching >SSL >certificate and any client is using "mail.exmaple.com" as incoming >and >outgoing server
