On Sunday 18 June 2006 16:17, Richard Clayton took the opportunity to write: > In message <[EMAIL PROTECTED]>, Keith Martin > <[EMAIL PROTECTED]> writes > > >Should another email come in that matches anything on the current black > >list, then it is blocked and the details (IP etc, as above) added to the > > top of the list (the details are added as a new record as maybe some part > > has changed - this allows the list to adapt to variations in the spam > > attempt) > > If any of your email comes via ISP "smarthosts" then your heuristic will > (unwisely) block further legitimate email that happens to traverse the > same smarthost...
A temporary blacklisting that causes a 450 status code rather than a 550
should be pretty safe ... unless the smarthost continously sends spam, but in
that case they have a serious problem.
--
Magnus Holmgren [EMAIL PROTECTED]
(No Cc of list mail needed, thanks)
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