couriertcpd listening to the wrong IPv6 address

Alessandro Vesely <[email protected]> Fri, 31 May 2024 16:58:59 +0200
Newsgroups gmane.mail.imap.courier.general
Message-ID <[email protected]>
Sam,

Since they are so many, I thought I can afford a different address for every service, so I configured 2a02:29e1:500:6c00::2.25 in esmtpd.  That's the IP of an MX host, but nobody wrote and now I got why:  Courier is not listening to it.  It seems somehow it dropped the last byte of the address, or do I have something wrong?

Here's my configuration:

658-north:courier# ip -6 addr show dev ppp0 scope global
8: ppp0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1492 qdisc fq_codel state UNKNOWN group default qlen 3
     inet6 2a02:29e1:500:6c8f::1/64 scope global
        valid_lft forever preferred_lft forever
     inet6 2a02:29e1:500:6c01::1/64 scope global
        valid_lft forever preferred_lft forever
     inet6 2a02:29e1:500:6c00::4/64 scope global
        valid_lft forever preferred_lft forever
     inet6 2a02:29e1:500:6c00::2/64 scope global
        valid_lft forever preferred_lft forever
     inet6 2a02:29e1:500:6c00::1/64 scope global
        valid_lft forever preferred_lft forever
659-north:courier#
659-north:courier#
659-north:courier#
659-north:courier# netstat -ltnp | grep 2a02| grep courier
tcp6       0      0 2a02:29e1:500:6c00:::25 :::*                    LISTEN      7261/couriertcpd
660-north:courier#
660-north:courier#
660-north:courier# grep -E ^PORT esmtpd
PORT=94.198.96.74.25,192.168.1.254.25,172.16.197.1.25,127.0.0.1.25,2a02:29e1:500:6c00::2.25

Can you spot what's wrong?


Best
Ale
-- 






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