announce: pymsgauth-filter patch

This patch adds a Unix-filter analog of pymsgauth-mail, called 
pymsgauth-filter, designed to work with qmail-qfilter and acceptutils. 
Together, they extend pymsgauth to handle messages submitted over the 
network.

https://schmonz.com/qmail/pymsgauthfilter/

[acceptutils is not yet released, but it (and this patch) brought you 
this message.]