Re: [exim-dev] message_linecount

> > The following patch makes the message_linecount available as an expansion
> > variable.
>
> Please note that this variable could also be useful when delivering to a
> Maildir, to set up a tag (L=\d+) which then could be used by a
> RFC-compliant pop3 daemon (such as courier-pop3d) to calculate accurate
> message size fast (i.e. without having to read whole message contents).

Good idea! That should be mentioned in the next documentation release
as a standard performance optimisation, like the S= tag is already.

Michael