While using mutt you reply to a message using "global reply" and you notice your email address is included in the To: or Cc: of the headers. You have two options if you want to stop or disable this behavier.
Option 1: In the .muttrc file make sure the metoo directive is unset:
# Do not include my email in the reply unset metoo
If you find that the metoo directive _is_ unset, but your email address is still included in the To: or Cc: then you need to make sure mutt knows what your current email address is. This problem is common on OpenBSD installs of mutt from package or source form.
Option 2: In the .muttrc file set the "alternates" directive to your current email:
# Our email address (fix for global reply metoo) ## Mutt v1.4 set firstname.lastname@example.org --OR-- ## Mutt v1.5 alternates email@example.com
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