On Wed, Feb 15, 2017 at 10:15:14PM -0800, li...@lazygranch.com wrote: > Regarding multiple from fields, I found this on serverfault : > http://serverfault.com/questions/554520/smtp-allows-for-multiple-from-addresses-in-the-rfc-was-this-ever-useful-why-do > > I could almost see this being legitimate if from the same domain. > At least the SPF would be valid. > > But I think the argument is weak since the clients don't handle the > situation well.
SMTP does not allow multiple MAIL FROM: addresses, and that's pretty much all that would be relevant for discussion in this mailing list. Postfix isn't going to focus on mail content issues, and its own built-in filtering feature (header_checks(5), body_checks(5)) is unable to deal effectively with this. Perhaps you would want to take up this question in a place for mail content filtering software? -- http://rob0.nodns4.us/ Offlist GMX mail is seen only if "/dev/rob0" is in the Subject:
