amd64/99475: Mail attachement was modified

Albert alpha2 at
Fri Jul 7 02:54:57 UTC 2006

Andrew Reilly 提到:

>  On Fri, Jul 07, 2006 at 12:30:28AM +0000, Albert wrote:
> > The following reply was made to PR amd64/99475; it has been noted
> > by GNATS.
> >
> > From: Albert <alpha2 at> To:
> > bug-followup at Cc: Subject: Re: amd64/99475: Mail
> > attachement was modified Date: Fri, 07 Jul 2006 08:22:32 +0800
> >
> > I just use FreeBSD 6.1/amd64 SMP to set up a mail server. I use the
> > default, open relay on my own network, and send mail
> > via Thunderbird to myself. Three type of encoding are used -- big5,
> > iso-2002-jp, iso-8859-1 The mail content is all okey. (I mean the
> > mail content is unchanged) Then I test a mail with attachments --
> > pdf, ppt, xls, doc, txt, jpg. When I receive the mail by pop3, all
> > the attachments became random code except text files whatever the
> > encoding is. I upgrade sendmail form 8.13.6 to 8.13.7. The results
> > are the same.
> >
> > Now I back to FreeBSD 5.5/i386 SMP + sendmail 8.13.6, All works
> > perfect as I want.
>  There was a recent security advisory involving sendmail and MIME
>  attachments that could be related to this.
>  I don't understand what business sendmail has even *looking* at the
>  MIME structure of a message, let alone mucking about with it. I'd say
>  use that as yet another reason to change to a different MTA. (I
>  noticed that NetBSD seems to have removed sendmail from the base
>  system altogether in recent current, in favour of postfix...)
>  Cheers,
It toke me two weeks to find out where the problem is.
FreeBSD 6.1/amd64 SMP +sendmail 8.13.6 & 8.13.7 and
FreeBSD 5.4/amd64 SMP +sendmail 8.13.6 & 8.13.7 are both the same result.
All looks okey. BUT .......
I use FreeBSD as mail server from 2.2.8 to 5.2.1, it is the first time I 
met this kind of thing.
May be it is the bug of sendmail, but it runs no problem on i386 platform.
Is there huge difference on i386 and amd64 on the topic of mail server?
My box is a running system, may be I have few chance to try again. Sorry 
about that!
Next time I will think about postfix.

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