Is there a spam check for x-enevelope-to != rcpt-to field
MailScanner at ecs.soton.ac.uk
Mon Apr 21 09:01:56 IST 2008
I assume you mean the
header and the
header. There is no requirement for these to be the same, as any mailing
list posting will show you. You cannot use the difference to detect
spam, as you would fire a false alarm on every mailing list posting.
Peter Katzmann wrote:
> plenty of spam has always a discrepancy between the x-enevelope-to
> field and the rcpt-to field.
> Sometimes its like a small typo for example joe.smith!= joesmith
> sometimes its totally different like johnford!=joesmith.
> So i looked for a long time if there is some filter but didn't find one.
> Propably someone on the list here has a hint for me ?
> Thanks for any pointer
> Registergericht / Court of jurisdiction: Amtsgericht Gießen HRB 5708
> Geschäftsführer / Managing Director: Edith Thiesen, Jürgen Thiesen
> USt.-Id: DE 175 623 789
> Ust.-Nr: 018 246 00743 FA Fulda
> Hauptsitz / Headquarters:
> Thiesen Hardware & Software Design GmbH / Im Tiegel 9 / 36367
> Wartenberg / Germany
Julian Field MEng CITP CEng
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