[MlMt] a message confuses MailMate on one computer

[Steven M. Bellovin]

On 10 Nov 2015, at 13:12, Benny Kjær Nielsen wrote:

> On 10 Nov 2015, at 19:05, Steven M. Bellovin wrote:
>
>> I run MailMate on three computers.  On one of them, a particular 
>> message seems to hang MailMate; on another, it's fine.  By "hang" I 
>> mean that when I select the message, I get the spinning beach ball 
>> and Activity Monitor shows MM as not responding.  It isn't chewing up 
>> CPU time or doing network I/O; it's just sitting there hung.  Any 
>> suggestions?  All machines have the current non-beta version of 
>> MailMate on El Capitan.  Killing/restarting MailMate doesn't help.
>
> This is a known issue I'm currently investigating. Unfortunately I 
> don't have a workaround for you yet. Your case is a good example why 
> it's a pretty frustrating issue. It only happens for some users and I 
> have not been able to identify what triggers it. Some times the 
> problem suddenly disappears.
>
> (Technical part: The problem seems to be related to the 
> `canonical_to_html` script which simply hangs for certain plain text 
> messages, but I cannot reproduce it myself. It only happens on El 
> Capitan and it's reproducible for some users, but apparently not for 
> all users.)
>
Out of curiosity, is there any chance that using a different machine to 
move the message to a different folder and then moving to back would 
help?  It's not crucial, since it's a message I probably won't need to 
look at too often in the future, but...