Re: Is there a way to avoid using IPv6 in outgoing SMTP connections?

Torsten Müller via Exim-users <[email protected]> Sat, 20 Jun 2026 09:18:35 +0200
Newsgroups gmane.mail.exim.user
Message-ID <[email protected]>
Hello,

Am 19.06.2026 um 16:47 schrieb Fabio Muzzi via Exim-users:
...
> This takes me to the point: is there no way of telling Exim to use only 
> ipv4 in outgoing smtp connections, apart from disabling v6 completely in 
> Exim (with disable_ipv6=true), thus rejecting also incoming v6 smtp 
> connections?
You could take look into the option

dns_ipv4_lookup

too.

Greetings Torsten

-- 
## subscription configuration (requires account):
##   https://lists.exim.org/mailman3/postorius/lists/exim-users.lists.exim.org/
## unsubscribe (doesn't require an account):
##   [email protected]
## Exim details at https://www.exim.org/
## Please use the Wiki with this list - https://code.exim.org/exim/wiki/wiki