Re: sender signatures, was Thinking outside the box
"John Levine" <[email protected]> 19 Mar 2013 16:47:17 -0000
| Newsgroups | gmane.ietf.asrg |
|---|---|
| Message-ID | <[email protected]> |
>Also, I can't safely whitelist "[email protected]" for obvious reasons. No, but you can safely whitelist mail with a valid paypal.com DKIM signature. There's a variety of signing and verification schemes in use right now. Many of them work quite well for subsets of mail, even though none is a magic bullet.