Chris Salter ukcrypto at
Thu Mar 29 03:21:17 BST 2012

On 28/03/2012 14:52, Jon Ribbens wrote:
> On Wed, Mar 28, 2012 at 01:16:41PM +0100, Chris Salter wrote:
>> SAUCE is a 'anti-spam SMTP mail filter'.
>> I'm not an expert in analysing headers but my initial assumption would
>> be that it 'belongs' to the recipients network service rather than yours
>> i.e. Virgin. I started to research but hit Tucows so
>> decided to call it a day! :-)
> is the server that hosts this mailing list.

I think that was a given! :-)

> SAUCE is the custom anti-spam system that is running on chiark.

Thanks for the confirmation. That was the conclusion I was moving 
towards. I always feel it's points for the spammers when 'anti-spam' 
processes bounce legitimate mail.

Chris Salter

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