New MS install is acting very strangely (misconfiguration somewhere)

Julian Field MailScanner at
Mon Oct 17 12:04:06 IST 2005


On 17 Oct 2005, at 11:54, Gray, Richard wrote:

>>>> I have not changed any settings on the Exchange box nor
>> did I change
>>>> any ip information on the new/old MS boxes. The way I
>> worked it out
>>>> was by changing the ip address of the old box and then
>> changing the
>>>> new box to the appropriate ip address. (To get them back
>> to normal I
>>>> did the opposite of course.)
>>>> Thanks!
>>>> Chris.
>>> Maybe running a packet sniffer could help see where it
>> 'delivered' the
>>> undelivered mail.
> I've actually noticed some slightly strange behaviour in exchange
> regarding the message tracking feature. We had a problem where if a
> message was quarantined, it would send the decontaminated message out.
> If I went and located the message in quarantine and copied it into  
> exims
> delivery queue, exim would pick the message up and deliver it, but the
> exchange server would have no record of having received it.
> I was never able to tie this down to anything specific, and we  
> ended up
> fixing it by not sending through notifications rather than the  
> defanged
> message. Just something to be aware about if you are working on this.

Switch off Exchange's duplicate message detection and try it again.  
The cleaned message will have the same message-id: as the original  
message, which might be causing you trouble.
- -- 
Julian Field
Buy the MailScanner book at
PGP footprint: EE81 D763 3DB0 0BFD E1DC 7222 11F6 5947 1415 B654

Version: PGP Desktop 9.0.2 (Build 2425)


This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean.

------------------------ MailScanner list ------------------------
To unsubscribe, email jiscmail at with the words:
'leave mailscanner' in the body of the email.
Before posting, read the Wiki ( and
the archives (

Support MailScanner development - buy the book off the website!

More information about the MailScanner mailing list