Re: [Imap-protocol] MIME parsing and part numbering

I have a command-line version of my parser.  I'll send you a copy in 
case you would care to make some comparisons.  I may also be able to 
find a few challenging messages.

Pete Maclean

At 11:50 PM 7/16/2015, David Harris wrote:
>As I mentioned last week, I'm in the process of replacing my 
>existing MIME parser.
>
>I'm putting together a commandline version of this parser that spits 
>out a full MIME
>parse including all IMAP-specific parts and part numbers, offsets, 
>and octet and line
>counts. I propose to make this application publicly available in the 
>hope that it might
>assist new IMAP developers to come to terms with the way MIME and IMAP
>interact with each other, particularly in regard to part numbering.
>
>I have a library of over a million mail messages I can use to test 
>it out, but if you
>have a few interesting boundary-case messages, or hugely complex 
>messages that
>you would be willing to share with me for testing purposes only, I'd 
>be glad to
>receive them (although please be aware that I run my mail server 
>with a 4MB per
>message limit). Please zip them if possible.
>
>I have the bulk of the process sorted out, but would be grateful for quick
>confirmation of two points:
>
>1:  In IMAP terms, for a part that is of type MESSAGE/RFC822 and which is not
>itself multipart, "<partnum>.TEXT" and "<partnum>.1" should yield 
>the same data
>when fetched.
>
>2: For a non-multipart message of any type, a request to fetch part 
>"1.MIME" should
>synthesize a return containing all headers starting with "Content-" from the
>message's headers and terminate them with a CRLF.
>
>For point (2), are there any other headers I should be including in 
>the synthesis?
>
>Cheers!
>
>-- David --
>
>------------------ David Harris -+- Pegasus Mail ----------------------
>Box 5451, Dunedin, New Zealand | e-mail: [email protected]
>            Phone: +64 3 453-6880 | Fax: +64 3 453-6612
>
>Newspaper misprints from around the world:
>     "After the boat had been secured above the wrecked galleon the
>     apparatus was set in motion by the captain's 18-year old daughter,
>     Veronica. Within an hour, she was yielding her treasure to the
>     excited crew."
>
>
>
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