Author: Phil Pennock Date: To: Oliver Howe CC: exim-users Subject: Re: [exim] ignore manualroute if 421 response is received?
On 2012-04-03 at 10:47 +0100, Oliver Howe wrote: > Is it possible to tell a router to fail or pass on the message to the
> next router if it receives a 421 error from a host it is trying to
> deliver to?
> Specifically I have a router that delivers to Postini (Google's email
> signature/archiving solution - see
> http://www.google.com/postini/email.html) for one of my outbound
> But the Postini server often returns a "421 Server busy - try again
> later" error message and then all outbound messages for that domain
> get delayed whilst the retry time for the orginal message is
Retry rules, Section 32 of The Exim Specification.
Host errors result in two lookups, once for remote host, once for email
address's domain. Constrain by error type.