[Rspamd-Users] dkim and from fileds

[Alexander Moisseev]

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.