notmuch ignoring alot of emails

David Bremner david at
Sat Jun 29 12:09:06 PDT 2019

David Bremner <david at> writes:

> Alvaro Herrera <alvherre at> writes:
>> On 2019-Jun-28, Alvaro Herrera wrote:
>>> I think a real solution is to parse the message header, look for the
>>> Content-Length, and determine mbox-ness by looking for "From" only past
>>> that many bytes; that seems to match what other mail parsing tools do.
>> Sorry, I misspoke: there's no such thing as Content-Length.
>> It's Content-Type/boundary that needs to be watched for.  Only consider
>> that the file is an mbox if a "^From " line appears after the boundary
>> end marker (which seems to be defined as "the boundary string followed
>> by two dashes --").
>> Here's a sample message, BTW:
>> (username "archives", password "antispam").
> I'm not keen on writing (more) ad hoc MIME parsing code, so if you can
> phrase this in terms of GMime API (or at least MIME parts) it would be
> great.
> d

On second thought, I guess it might not be practical to use GMime to parse
the file, since that might perform badly on large mboxes.


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