On Sun, 13 Jun 2004, Jeff Lasman wrote:
>
> If the "real" mailserver is completely down we can handle it in one of
> several ways (your suggestions are welcome); we can either refuse all
> email for the domains (we're doing spam and virus checking/blocking,
> not backup MX),
The default is to 4xx (defer) the RCPT command in this case (which is I
presume what you mean above).
> or we can suspend recipient checking and accept and
> hold all the email, attempting to deliver it later.
This is what the defer_ok callout option is for.
--
Tony Finch <dot@???>
http://dotat.at/
