[Dovecot] >From escaping

[Timo Sirainen]

On 5.10.2004, at 16:59, Mark E. Mallett wrote:

> That's interesting-- I'd guess that email clients are not going to
> do the ">From" quoting unless they are reading/writing directly to
> the mbox themselves, and not when accessing IMAP/POP folders.  This
> would mean that an email client would see a potentially incorrect
> message, and could corrupt an mbox by sending (for copy/append)
> a message with missing quoting.  I would think that it would be the
> responsibility of the IMAP/POP server to maintain the mbox
> integrity (not to mention the correctness of the message).  But I
> can see where it would be a pain, for sure.

Dovecot (and eg. mutt) uses Content-Length header to figure out how 
large the message body is, so clients can't mess anything by sending 
From-lines. Also Dovecot requires that From-line has correct syntax and 
valid timestamp or it's not treated as From-line.
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