On Wed, Jan 08, 2014 at 05:31:37PM -0500, Wietse Venema wrote:
> Postfix already has a feature that substitutes remote SMTP server
> replies (smtp_reply_filter).
>
> Maybe it's possible to implement a similar substitution for DNS
> server responses. If we want to use a regexp-based approach that
Viktor Dukhovni:
> On Wed, Jan 08, 2014 at 09:44:15PM +, Aaron Bennett wrote:
>
> > Thanks, Wietse. I don't want soft_bounce=yes for everything so
> > I'll probably created a dedicated transport for that host. Does
> > that seem reasonable?
>
> You'll also have messages addressed to invalid
On Wed, Jan 08, 2014 at 09:44:15PM +, Aaron Bennett wrote:
> Thanks, Wietse. I don't want soft_bounce=yes for everything so
> I'll probably created a dedicated transport for that host. Does
> that seem reasonable?
You'll also have messages addressed to invalid recipients (if any)
queued up
On Wed, Jan 08, 2014 at 09:02:17PM +, Aaron Bennett wrote:
> For reasons beyond my control, one of the hosts we need to relay
> to is occasionally dropping out of dns. We relay to it based on
> an ldap map which returns:
>
> relay:[office365relay.clarku.edu]
>
> That host is a CNAME for an
Aaron Bennett:
> > Postfix bounces because the DNS server replies that this DNS
> > record DOES NOT EXIST.
> >
> > To work around, use soft_bounce=yes and watch your queue
> > carefully for mail piling up.
>
> Thanks, Wietse. I don't want soft_bounce=yes for everything so
> I'll probably created
> -Original Message-
> From: owner-postfix-us...@postfix.org [mailto:owner-postfix-
> us...@postfix.org] On Behalf Of Wietse Venema
> Sent: Wednesday, January 8, 2014 4:13 PM
> To: Postfix users
> Subject: Re: transport rule question
> Postfix would defer when it
Aaron Bennett:
> Hi,
>
> For reasons beyond my control, one of the hosts we need to relay
> to is occasionally dropping out of dns. We relay to it based on
> an ldap map which returns:
>
> relay:[office365relay.clarku.edu]
>
> That host is a CNAME for an external vendor. It's not hard to guess
