Balsa doesn't respect "Return-Path"

[Andreas Schmidt <pi-c arcor de>]

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Hi,

lately I've received a number of mails with german umlaut-characters in 
the From-Header. Apparently, balsa can't handle these characters, so 
when I reply to these mails, I have to manually insert the To-Adress.

Here are the relevant header lines as seen in the message source:

******
Return-Path: <boehne vermessung-XXX de>
X-Status:    Mime-Version: 1.0 (Apple Message framework v624)
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Message-Id: <d99bcbb4f10abcdd22451a736c805ca7 vermessung-XXX de>
Content-Transfer-Encoding: quoted-printable
From: =?ISO-8859-1?Q?MAB_Vermessung_Dipl.-Ing._Olaf_B=F6hne?= 
<boehne vermessung-XXX de>
******

This is the From-Header as seen when the mail is displayed:
******
From:	=?ISO-8859-1?Q?MAB_Vermessung_Dipl.-Ing._Olaf_B=F6hne?=
******

When I reply to such mails, this is what is put into the To-HEader:
******
To:	=?ISO-8859-1?Q?MAB_Vermessung_Dipl.-Ing._Olaf_B=F6hne?=
******

Of course, as the actual mail address in the From-Header is cut off, 
balsa doesn't know what to do with it. I guess "Return-Path" is a non-
standard header (?) and they should use "Reply-To" instead. However, as 
I don't control the other party's mail server, I have to live with what 
I've got and it would be great if balsa could just fall back on using 
"Return-Path". Any chance to get that implemented? :-)

BTW, I use the balsa version currently available in the repositories of 
Debian/Sid, which is 2.3.25-1.

Best regards,

Andreas
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