Please disregard this -- it looks like when I called report-emacs-bug,
it set some mailsend custom values that put my config in a bad state. My
apologies.

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dwrz|朱为文 

On 2019-12-11 00:39, dwrz@dwrz.net wrote:

> I use notmuch with Emacs, and it looks like the latest package there has broken my sending functionality. 
> 
> When pressing C-c C-c (notmuch-mua-send-and-exit) in a message buffer, for some reason eww gets called with a http://mailto:// link, followed by the body of the message. 
> 
> I'm not sure at all why this is the case -- I haven't changed my notmuch or Emacs config, and I use msmtp, not eww, to send mail. 
> 
> I'd be happy to provide those configs if that's useful.
> 
> -- 
> dwrz|朱为文