Please create DNS records instead of CNAME: lists.exim.org. 300 IN MX 10 lists.exim.org. lists.exim.org. 300 IN A 37.120.190.30
Or accept emails to lists sent to <listname @ cumin.exim.org> . Else some people trying to post to lists get "unknown user" because sendmail "canonicalises" hostnames. > From: Andrew C Aitchison > If we can reduce > smtp_receive_timeout > in the auth acl and increase it again in the data acl, > will that stop the process getting stuck ? smtp_receive_timeout is expanded in smtp_setup_msg function in smtp_in.c at the start of a SMTP session. -- ## subscription configuration (requires account): ## https://lists.exim.org/mailman3/postorius/lists/exim-users.lists.exim.org/ ## unsubscribe (doesn't require an account): ## exim-users-unsubscr...@lists.exim.org ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/