[Rspamd-Users] dkim and from fileds

Alexander Moisseev moiseev at mezonplus.ru
Wed Feb 20 09:42:43 UTC 2019

On 20.02.19 12:08, Huber, Peter wrote:
> I found no solution to the following problem we have:
> Some mails from our Microsoft Exchange have two from addresses. This happens eg. when you mal a calendar invitation in behalf of...
> Rspamd signs this mail with a dkim signature, but only one of these from fields. How can I change this, so that both from fields were signed by rspamd?

Multiple "from" header fields is a violation of RFC (see RFC 2822 section 3.6) and should be fixed in Exchange.
The "from" header should occur exactly one time in a message.

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