In a previous email I asked how one can generate a temporary failure in an ACL.
At the time I achieved this by forcing a lookup as part of an expansion that
happens when a temporary failure should indeed occur.
There is a better option though: use the an invalid result from a condition to
cause the deny to defer:
deny sender_domains = hotmail.com : yahoo.com : ... : att.net
message = X-Forgery: $sender_host_name NOT A
$sender_helo_name SERVER
condition = ${if eq {$sender_host_name}{}{defer}{yes}}
condition = ${if eq \
{${extract{-2}{.}{$sender_host_name}{$value}fail}}\
{${extract{-2}{.}{$sender_helo_name}{$value}fail}}\
{no}{yes}\
}
(note that I have simplified my sanity check on the HELO params).
Still, is there a way to change the returned message from:
451 Temporary local problem - please try later
to something else?
And even more important how to change the log message:
2002-12-02 23:26:38 H=(server.invalid.dom@in) [216.34.x.y]
F=<a@???@in> temporarily rejected RCPT <b@???@in>:
invalid "condition" value "defer"
What about setting the message to the "invalid" string returned by
the condition?
Mmm, perhaps this is not such a good idea as in general it might
reveal data that
should not be.
Still, this is a heaven compared to sendmail configuration..
Ideas?
Giuliano
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