Greg Earle:
> On 25 Apr 2022, at 16:35, Wietse Venema wrote:
>
> > Greg Earle:
> >
> >> [root@isolar postfix]# grep smtpd_helo_ master.cf
> >
> > What is the output from:
> >
> > postconf -Px |grep check_helo_access
> >
> > I suspect that you made a mistake, such as configuring
> > the wrong SMTP service.
>
> Hi Wietse,
>
> It's (output split for clarity)
>
> --
> [root@isolar tmp]# postconf -Px |grep check_helo_access
> submission/inet/mua_helo_restrictions = permit_mynetworks,
> reject_non_fqdn_hostname, reject_non_fqdn_sender,
> reject_non_fqdn_recipient, reject_invalid_hostname, check_helo_access
> regexp:/etc/postfix/helo.regexp, reject_invalid_helo_hostname,
> reject_non_fqdn_helo_hostname, reject_unknown_helo_hostname, permit
>
> submission/inet/smtpd_helo_restrictions = permit_mynetworks,
> reject_non_fqdn_hostname, reject_non_fqdn_sender,
> reject_non_fqdn_recipient, reject_invalid_hostname, check_helo_access
> regexp:/etc/postfix/helo.regexp, reject_invalid_helo_hostname,
> reject_non_fqdn_helo_hostname, reject_unknown_helo_hostname, permit
>
> smtps/inet/mua_helo_restrictions = permit_mynetworks,
> reject_non_fqdn_hostname, reject_non_fqdn_sender,
> reject_non_fqdn_recipient, reject_invalid_hostname, check_helo_access
> regexp:/etc/postfix/helo.regexp, reject_invalid_helo_hostname,
> reject_non_fqdn_helo_hostname, reject_unknown_helo_hostname, permit
>
> smtps/inet/smtpd_helo_restrictions = permit_mynetworks,
> reject_non_fqdn_hostname, reject_non_fqdn_sender,
> reject_non_fqdn_recipient, reject_invalid_hostname, check_helo_access
> regexp:/etc/postfix/helo.regexp, reject_invalid_helo_hostname,
> reject_non_fqdn_helo_hostname, reject_unknown_helo_hostname, permit
Indeed. your pattern does not apply to the port 24 (smtp) service.
So it does not matter that the patterns were incorrect. They were
not used anyway.
Wietse
