mutt IMAP configuration for outlook.office365.com

[Kevin J. McCarthy]

On Wed, Mar 11, 2020 at 06:55:14PM -0500, Greg Marks wrote:
>Up until recently this worked perfectly.  It began to fail, however, 
>after I changed my e-mail account password to something containing a 
>dollar sign, of the form abc$def.

Hi Greg,

I have a couple suggestions to try.  The first is to change your 
<password_file>.cpt to only contain the password, instead of mutt 
commands.

Then in your .muttrc put:
   set password_variable="`/usr/bin/ccrypt -c <password_file>.cpt`"
The backquotes inside double quotes causes the password to be assigned 
without any further processing.

The next thing to try is putting the account-hook command in single 
quotes:
   account-hook $folder 'set imap_user=<email_local_part>@<univ_domain> imap_pass=$password_variable'

That will prevent mutt from substituting the password while reading in 
the account-hook, and then evaluating the password while running the 
account hook command.

>The remaining problem is that while this allows me to read e-mail, I am 
>unable to send e-mail.  Sending e-mail fails with the error message 
>"SASL authentication failed."

My best guess is what Sam Kuper mentioned.  There may be a disconnect 
between your IMAP and SMTP password.  I would make sure that you changed 
both passwords.  It may be the SMTP password is still the old IMAP 
password.

>It would be great to get some authoritative guidance on this!

I'd suggest reading http://www.mutt.org/doc/manual/#muttrc-syntax 
closely.  Single quotes don't evaluate anything.  The only issue is 
embedded single quotes, which need to be embedded like this:
   set foo='embedded'\''quote'

That's why I suggested just using
   set foo="`/usr/bin/ccrypt ...`'"
which bypasses the problem.

-- 
Kevin J. McCarthy
GPG Fingerprint: 8975 A9B3 3AA3 7910 385C  5308 ADEF 7684 8031 6BDA
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