Thanks for responding Wietse. This has got me scratching my head. I did as you suggest and the postconf commands return exactly as for you. I then ran telnet (from a different Mac as the server seems not to have telnet).
… mail from:<> 250 2.1.0 Ok rcpt to:<ken@home> 250 2.1.5 Ok rcpt to:<k...@macserve.home> 550 5.1.1 <k...@macserve.home>: Recipient address rejected: User unknown in local recipient table Which is the exact problem. They should both be looking for the username (me) in the same way, but one works, the other does not. This foxed me some years ago and I gave up, but now I really need to get to the bottom of it. I simply cannot think of any configuration that would affect one and not the other. But then I'm no postfix expert. Ken G i l l e t t _/_/_/_/_/_/_/_/ > On Sun 27 Oct 2024, at 17:38, Wietse Venema via Postfix-users > <postfix-users@postfix.org> wrote: > > Ken Gillett via Postfix-users: >> Postfix has been running for some years on my Mac server, with some >> limitations that I have been working around. However, another server on my >> LAN is trying to send emails to me (on the Mac server) and being rejected >> with the above error and repeats every 7 seconds so I need to figure out >> what is wrong. >> >> Here's the relevant config:- >> >> alias_maps = hash:/etc/aliases >> local_recipient_maps = proxy:unix:passwd.byname $alias_maps >> mydomain = home > > The name 'home' is relatively safe from collisions with future real > domain name because it is often used on internal networks (source: > https://icannwiki.org/Name_Collision) > >> myhostname = macserve.home >> myorigin = $myhostname >> mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain >> >> The problem is that mail to :- >> >> ken@home - works >> >> k...@macserve.home - fails with the above error > > When I try the above settings on my non-mac system, the addresses > work as expected: > > $ postconf alias_maps local_recipient_maps mydomain > alias_maps = hash:/etc/aliases > local_recipient_maps = proxy:unix:passwd.byname $alias_maps > mydomain = home > > $ postconf myhostname myorigin mydestination > myhostname = macserve.home > myorigin = $mydomain > mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain > > Both email addresses are accepted in SMTP: > > $ telnet localhost smtp > Trying 127.0.0.1... > Connected to localhost. > Escape character is '^]'. > 220 macserve.home ESMTP Postfix > ehlo macserve.home > 250-macserve.home > 250-PIPELINING > 250-SIZE 10240000 > 250-VRFY > 250-ETRN > 250-STARTTLS > 250-XCLIENT NAME ADDR PROTO HELO REVERSE_NAME PORT LOGIN DESTADDR DESTPORT > 250-ENHANCEDSTATUSCODES > 250-8BITMIME > 250-DSN > 250-SMTPUTF8 > 250 CHUNKING > mail from:<> > 250 2.1.0 Ok > rcpt to:<ken@home> > 250 2.1.5 Ok > rcpt to:<k...@macserve.home> > 250 2.1.5 Ok > > I expect that it should work in the exact same way on MacOS. > > With both RCPT TO commands, the Postfix SMTP server finds the user > 'ken' in the system password database, after stripping the mydestination > domains (home or macserve.home) and calling the system library > function getpwnam() with the 'bare' username ('ken'). Thus, the > getpwnam() result should be the same with both RCPT TO commands. > > Suggestion: use the above postconf commands to verify your configuration. > I suspect that will expose the source of the discrepancy. > > Wietse > _______________________________________________ > Postfix-users mailing list -- postfix-users@postfix.org > To unsubscribe send an email to postfix-users-le...@postfix.org
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