greylisting problem with Exim 4.50 as remote MTA

John Sutton john@scl.co.uk
Thu Apr 21 15:17:38 UTC 2005


Hi there

The sysadmin of an Exim 4.50 installation tells me that Exim does not 
differentiate between a 4yz and a 5yz received after the DATA transfer, i.e., 
treats them both as permanent errors and so bounces the message.  Hence 
interoperating with DCC greylisting is impossible.  I know for sure that Exim 
4.34 does not suffer from this (alleged) protocol violation.

Any comments?

-- 

***************************************************
John Sutton
SCL Internet
URL http://www.scl.co.uk/
Tel. +44 (0) 1239 622 411
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