On Tue, 3 May 2005, Nick Miller wrote:
>
> Is there any way to configure exim to block a host after x number of
> failed rcpt attempts?
The Exim specification says:
As a more realistic example, in an ACL you might have
deny message = Too many bad recipients
condition = \
${if and { \
{>{$rcpt_count}{10}} \
{ \
< \
{$recipients_count} \
{${eval:$rcpt_count/2}} \
} \
}{yes}{no}}
The condition is true if there have been more than 10 RCPT commands and
fewer than half of them have resulted in a valid recipient.
Tony.
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