But I have no control over the servers that forward to me. Thus SPF is useless.

Michael Scheidell wrote:
Ramprasad wrote:
I know this is a troll subject

Yes SPF breaks email forwarding, so does PTR checking ( which never was
a great idea IMHO ). Every technique has some drawbacks. SPF has some
but is still better than the rest
When you want add security to an inherently insecure medium you cant say
I will not change my servers.
You want to put a .forward and receive mails from banks, get you mail-
admin to use SRS. What is unreasonable in that ?
you hit the nail on the head:

If you want things to change, you have to change things.
You cannot fix SMTP without breaking something.

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