On Thu, Jan 29, 2004 at 09:27:47AM -0500, Christopher L Merrill wrote: > Mike M wrote: > >I am finding all of the malware attached email arrives with no To: > >field. This is a nice feature since procmail dumps such email into my > >DEFAULT mailbox which I never look at. Why would a spammer omit the To: > >field? > > Maybe to bypass spam filters? Many ISPs recently started filtering > out e-mail that was delivered to a different user than the To: field > indicated. This broke e-mail lists for many people, because the > mass-mail or mail-list software used was not addressing the To: field > for the individual recipient. Mailman, for example, added that feature > in the last 12-18 months, I think. It is possible that those ISPs > filters _are_ allowing email with _no_ To: field to be delivered to the > intended recipient. > > just a guess...
Interesting. Makes my life easier: reject all email missing a To: field. It's too good to be true. They should just include a field called X-Spam: with values like African Investment Opportunity and Microsoft Update. -- Mike -- TriLUG mailing list : http://www.trilug.org/mailman/listinfo/trilug TriLUG Organizational FAQ : http://trilug.org/faq/ TriLUG Member Services FAQ : http://members.trilug.org/services_faq/ TriLUG PGP Keyring : http://trilug.org/~chrish/trilug.asc
