On 2022-04-27 09:36:22 -0400, Haines Brown wrote: > On Wed, Apr 27, 2022 at 01:42:05PM +0100, Brian wrote: > > On Wed 27 Apr 2022 at 08:05:46 -0400, Haines Brown wrote: > > > > If I understand correctly, which is always in serious doubt, it is > > > exim that constructs the Sender: line by combining /etc/mailname and > > > $LOCALHOST. Is this so? > > > > No. exim4 uses what is in /etec/mailname as the MAI FROM: (the envelope > > from). > > Thanks for the clarification. > > > > These values are present: > > > > > > $ nano /etec/mailname > > > lenin.histomat.net > > > > lenin.histomat.net appears to be unrouteable. How a remote system would > > deal with that is anyone's guess. > > I do not understand. What should /etc/mailname look like?
In general, the FQDN of your machine. It does not need to be resolvable, but if it isn't, you will probably need to use a smarthost. > I suspect it should simply be histomat.net You may use it if you own the domain. Otherwise, I think that this could lead to problems, with mail sent to the wrong place (think of mail sent to root and mail sent to some external histomat.net user). -- Vincent Lefèvre <vinc...@vinc17.net> - Web: <https://www.vinc17.net/> 100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/> Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
