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Subject: Re: Content-Length (was Re: Banner)
From: Marco d'Itri (mdlinux.it)
Date: Fri Jun 23 2000 - 11:49:18 CDT

On Jun 23, Wietse Venema <wietseporcupine.org> wrote:

>> >Postfix only adds newlines when delivering via the pipe or local
>> >mailer. See the "F" flag of the pipe mailer.
>Some mail software will recognize "From " only when it appears
>after a BLANK line.
But why is the blank line added by the pipe mailer too?
If some (broken?) MUA needs the extra blank line it should be added
only when mail_copy() is called by deliver_command(), e.g. by splitting
the functionality provided by the F flag.
IMHO this would not pose an interoperability problem with those MUAs
because the pipe mailer usually is not needed to deliver mail to MBOX
mailboxes.

Anyway, if it has to be always added I think that should be done only if
there isn't already one, because postfix currenly appends a spurious
blank line at every UUCP hop in my network.
(I'd like to help and submit a patch to mail_copy.c but I don't know
how to check for this condition.) 

-- 
ciao,
Marco