From: Victor Duchovni (Victor.DuchovniMorganStanley.com)
Date: Wed Oct 17 2007 - 15:56:40 CDT

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On Wed, Oct 17, 2007 at 10:53:26PM +0200, mouss wrote:

> Benny Pedersen wrote:
> > On Wed, October 17, 2007 18:35, Juan Miscaro wrote:
> >
> >> I didn't think of the issues raised in the RFC. Any suggestions on how
> >> I can avoid them without using maildrop? I can't use the mentioned
> >> vacation tool because my users are virtual (I believe I need a $HOME).
> >
> > svn co https://postfixadmin.svn.sourceforge.net/svnroot/postfixadmin postfixadmin
> >
>
> I am not sure it is safe. After a quick look at the code:
> - it seems it responds to the From: header address instead of the
> envelope sender.
> - I see no check for List-* headers
> - I see no check for Auto-Submitted header
> - I don't see it adding an Auto-Submitted header.
> - will it send two responses if the recipient is found twice in the To
> header (there is no "last;" after send_vacation(...) in the last for loop).
> - The parsing of the To header is just a split() using "," as the
> separator. I'm not sure this heuristic is safe enough.
> - it looks like it encodes the message in base64. it is considered a
> spam sign when such encoding is unnecessary (for example, plain text and
> html mail does not need to be encoded in base64).
> - It may respond to spam
> ...
>
> again, this is a quick code walkthrough. I may be wrong.
>

I would, based on the above, be more adamant about not using this
auto-responder.

--
        Viktor.

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