New way of spam?

[Koopmann, Jan-Peter]

> For watermarking to operate correctly, do I have to use the MS box as
an
> outbound relay as well?  Right now, I'm habitually using them only on
> inbound and not currently using watermarking.  I find that when I use
> Watermarking, my SA rules don't fire.

If the outbound mail is not processed by MailScanner (or whatever is
doing watermarking in your setup): How is the watermark supposed to get
into the mail? So yes, if you want watermarking then the outbound and
inbound mail should flow through the same watermarking system.