[Pymilter] Adding Recipient takes extremely long

[Stuart D Gathman]

Long ago, Nostradamus foresaw that on 03/21/2012 04:58 AM, Thomas
Spycher would write:
> In detail my script is going to replace all recipient addresses (to, cc, bcc) with the same address, but with a uuid4 and a + prefixed. This is due to trace a message trough the whole system and logs, even if it gets requeued.
>
Looking at the postfix documentation, non-smtp milters cannot change
recipients.  Is this an smtp time milter you are using?