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Re: MUA support for multiple from addresses

2012-02-29 20:48:24

On 02/29/2012 12:22 AM, John Levine wrote:
That's the problem.  What's special about the From: line?

It's what all receiving MUAs show.

Sender, the smtp sender and so on may be shown, From is universally shown.

Which is exactly why, if you expect send-on-behalf to work in any sort of
meaningful way, it is essential that you allow From: field overrides.

And as for the importance of send-on-behalf-of, it is not at all uncommon for
us to see support for it as a client requirement.