I’ll have to look into that. While I think I can figure it out easily enough (looks like I would need to override the inet_interfaces and smtpd_tls_cert/key file directives), is there an example of this sort of configuration somewhere?
----------------------------------------------- Israel Brewster Computer Support Technician II Era Alaska 5245 Airport Industrial Rd Fairbanks, AK 99709 (907) 450-7250 x7293 -----------------------------------------------
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On Jan 31, 2014, at 10:12 AM, Noel Jones <njo...@megan.vbhcs.org> wrote: > On 1/31/2014 12:59 PM, Israel Brewster wrote: >> We are currently in the process of changing our domain name, and >> were wondering if there was any way for postfix (and Dovecot, but >> that’s a different mailing list) to present different certificates >> depending on what domain name users are connecting with? That is, >> for a period of time we want users to be able to connect using >> either the old domain name or the new domain name, without getting >> an error. We don’t, however, want to separate the domains - a given >> user should be able to receive and send mail from either domain >> interchangeably, as per the mydestination configuration directive >> (as I understand it). Is this possible, or will we need to simply >> change the certificate to the new domain, with the caveat that some >> users will be getting certificate errors until we can get around to >> changing their setup? >> > > > Your best bet is to set up the new domain name on a separate IP > address, and present the proper certificates there. > > You can configure a single postfix instance to listen on multiple > IPs and define which certificate goes with which IP using master.cf > -o overrides. > > > > > -- Noel Jones
