[Rspamd] Do not apply SPOOFED_UNAUTH on ARC_ALLOW

[Dovecot] Set sieve_redirect_envelope_from to rcpt

data/conf/dovecot/dovecot.conf

@@ -314,6 +314,7 @@ plugin {
   sieve = /var/vmail/sieve/%u.sieve
   sieve_plugins = sieve_imapsieve sieve_extprograms
   sieve_vacation_send_from_recipient = yes
+  sieve_redirect_envelope_from = recipient
   # From elsewhere to Spam folder
   imapsieve_mailbox1_name = Junk
   imapsieve_mailbox1_causes = COPY