Watermarking quirks still in 4.62.8

[René Berber]

Randal, Phil wrote:

> A couple of issues with watermarking:
> 
> 1: Read receipts are getting blocked ("spam(no null-header or sender
> address)")

No problem in my setup (sendmail).

How are you guys testing the watermark functionality?  I see the added header,
and "Forwarding 1 unscanned messages" in the log, is that the only clue that it
worked as expected?
-- 
René Berber