From 725e86ae70a3d5ae93b2a6c337943f32d2b278d2 Mon Sep 17 00:00:00 2001
From: jao <jao@gnu.org>
Date: Wed, 12 Jan 2022 23:48:56 +0000
Subject: jao-message-to-from utilitiy

---
 email.org | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/email.org b/email.org
index ce4fc8a..bbbdd60 100644
--- a/email.org
+++ b/email.org
@@ -76,7 +76,7 @@
 
       (setq message-expand-name-standard-ui t)
     #+end_src
-*** Bcc
+*** To->From and Bcc
     #+begin_src emacs-lisp
       (defvar jao-message--bcc-rx (regexp-opt '("mail.io" "gnu.org")))
 
@@ -87,6 +87,19 @@
 
       (add-hook 'message-header-setup-hook #'jao-message-insert-bcc)
 
+      (defvar jao-message-to-from nil)
+
+      (defun jao-message-adjust-from ()
+        (let ((to (concat (message-fetch-field "To") (message-fetch-field "Cc"))))
+          (when-let* ((tf (seq-find (lambda (tf) (string-match-p (car tf) to))
+                                    jao-message-to-from))
+                      (from (message-make-from "Jose A Ortega Ruiz" (cdr tf))))
+            (save-restriction
+              (widen)
+              (message-replace-header "From" from)))))
+
+      (add-hook 'message-header-setup-hook #'jao-message-adjust-from)
+
     #+end_src
 *** Encryption
     #+begin_src emacs-lisp
-- 
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