[Gllug] spamassassin v bogofilter

[Rich Walker]

Michael Moritz <mimo at gn.apc.org> writes:

> On Thursday 02 June 2005 13:17, Jason Clifford wrote:
>> On Thu, 2 Jun 2005, Michael Moritz wrote:
>> > This is a misunderstanding. The receiving SMTP server (the one that does
>> > the greylisting) reads the MAIL FROM, RCPT TO, and client address, then
>> > checks the greylisting database and issues a 450. This is before the DATA
>> > section of the SMTP session.
>>
>> You are trusting that all other MTAs and MUAs do the "right thing".
>> Experience shows that this sometimes is not the case.
>
> What do you mean? My SMTP server disconnects after the greylist check, the 
> session is ended. No way the sender can continue sending the mail data as the 
> tcp session is closed.

The sender then drops the mail on the floor, or bounces it to the
originator with an unhelpful message.

*This* is the problem with greylisting - critical upstream MTA's break
when presented with it.

cheers, Rich.

-- 
rich walker         |  Shadow Robot Company | rw at shadow.org.uk
technical director     251 Liverpool Road   |
need a Hand?           London  N1 1LX       | +UK 20 7700 2487
www.shadow.org.uk/products/newhand.shtml
-- 
Gllug mailing list  -  Gllug at gllug.org.uk
http://lists.gllug.org.uk/mailman/listinfo/gllug