ISP signatures on outgoing mail
Anonymous
nobody at REPLAY.COM
Thu Jul 3 09:41:34 PDT 1997
Anyone heard of a proposal for ISPs to automatically sign outgoing
mail headers? Problem has been that spammers send email by one
path but forge a reply-to or from address at another location. Most
recent case is hotmail, which got blocked by netcom over a spam attack.
Actually mail didn't come from hotmail, was forged to look like it came
from there. Same thing has happened to remailers.
They need a standard for which headers to sign, then a dig sig can be
included in the headers to check that a message came from where it
claims.
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