# Advanced tips and tweaks
+## Overwriting the sender address
+
+If you want to always use the same sender address, then the following
+defadvice can help you.
+
+ (defadvice notmuch-mua-reply (around notmuch-fix-sender)
+ (let ((sender "Max Monster <max.monster@example.com>"))
+ ad-do-it))
+ (ad-activate 'notmuch-mua-reply)
+
## Initial cursor position in notmuch 0.15 hello window
In notmuch version 0.15 emacs client the handling of cursor position in