[courier-users] Filter API

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Hi.

I am about to write some custom courier mail filter app. (Thanks to Gordon =
for=20
a extendable python framework!)

What I did not understand is, may a filter change the message's content?

Some older docs say that this may not be done, the current doc does not=20
explicitly state this. I tried to do so and it works. The docs say, the=20
filters are called one at a time, so there should be no problem with this.

So, is it safe to alter the message from a global courier filter?

The docs say:
| The mail filter is free to judge the message's worthiness by reading its
| contents and/or control file(s) [...]
| The final verdict is rendered by writing back a result code on the same
| socket.=20

Perhaps it could be written more clearly if modifying content is safe or no=
t.

cu, Bernd

=2D-=20
Die k=C3=BCrzeste Verbindung zwischen zwei Punkten ist...
...gew=C3=B6hnlich wegen Bauarbeiten gesperrt.

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