MBOX-Line: From tss at iki.fi  Tue Feb  5 23:30:12 2008
To: imap-protocol@u.washington.edu
From: Timo Sirainen <tss@iki.fi>
Date: Fri Jun  8 12:34:41 2018
Subject: [Imap-protocol] non-ASCII byte sequences in IMAP?
In-Reply-To: <08Feb5.141817pst."58696"@synergy1.parc.xerox.com>
References: <"08Feb3. 133012pst. 58696"@synergy1.parc.xerox.com>
	<3/ZsgW8xag0zKO8asER9/Q.md5@libertango.oryx.com>
	<"08Feb5. 091040pst. 58696"@synergy1.parc.xerox.com>
	<rr9fu1gL3aYp0C0eYZ33eQ.md5@libertango.oryx.com>
	<lpAcVvMb9aegwsaoYFELvw.md5@libertango.oryx.com>
	<08Feb5.141817pst."58696"@synergy1.parc.xerox.com>
Message-ID: <1202283012.3879.78.camel@hurina>

On Tue, 2008-02-05 at 14:18 -0800, Bill Janssen wrote:
> > 8-bit occurs elsewhere too. LOGIN is just an example. Another reasonable 
> > example is FETCH BODYSTRUCTURE: If the sender of a message includes 
> > 8-bit characters where none are permitted, a compliant and well-behaved 
> > IMAP server asked to serve that message is often up the creek.
> 
> Assuming that such a message could somehow get into the server in the
> first place :-).

Unless you've added explicit checks against it, I don't think anything
by default prevents it. I've gotten such mails from Hotmail before and
wouldn't be surprised if they still sent them. Although the problem was
the Subject field / ENVELOPE, not BODYSTRUCTURE.

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