send-message-without-bullets simply turns off org-bullets-mode before doing message-send, since org-bullets-mode seemed to be interfering with org-mime-htmlize. 

(defun send-message-without-bullets ()
  (interactive)
  (remove-hook 'org-mode-hook 'org-bullets-mode)
  (message-send)
  (add-hook 'org-mode-hook 'org-bullets-mode)) 

I also have this:

(setq message-send-hook (quote (org-mime-htmlize)))


On Tue, Dec 29, 2015 at 3:44 PM, David Bremner <david@tethera.net> wrote:
Peter Salazar <cycleofsong@gmail.com> writes:


> Yes, following your steps, emacs -q followed by "M-x load-library <return>
> notmuch", I was able to send an email without the error. It prompted me for
> my smtp server, username, and password, then returned this:
>

[snip]
> Does this give us any leads?

It seems to be some interaction with your configuration. I'm not
familiar with this "send-message-without-bullets" function. Perhaps you
could point us to the source?
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