Hi,

I'm a bit confused by the fact that the 'To' header is being modified by sieve when a message is being redirected.

RFC3028 states in chapter 4.3:

The "redirect" action is used to send the message to another user at a supplied address, as a mail forwarding feature does. The "redirect" action makes no changes to the message body or existing headers, but it may add new headers. The "redirect" modifies the envelope recipient. (see http://www.ietf.org/rfc/rfc3028.txt)

The situation here is as follows:

I'm sending a mail to "city@company.net" (To: ...), which is being delivered to "city@city.company.net" (Delivered-To: ...).

User city has the following sieve script: redirect "other@company.net"; keep;

One would expect, that the 'To:' header is identical in both mails, but instead I get something like this:

Mail in 'city' mailbox:

Delivered-To: city@city.company.net To: city@company.net Subject: test mail

(Redirected) Mail in 'other' mailbox:

Delivered-To: other@city.company.net To: city@city.company.net Subject: test mail

It seems as if sieve uses the 'Delivered-To' header as the 'To' header in the redirected mail - which is not what I need.

Am I misunderstanding something here, or does dovecot's sieve plugin not act according to the RFC?

Patrick.

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