diff --git a/README.org b/README.org
index efa872c..f0ee151 100644
--- a/README.org
+++ b/README.org
@@ -4897,6 +4897,7 @@ initializes a list of =webjump-sites=.
 1. [[https://macowners.club/posts/email-emacs-mu4e-macos/][Email setup in Emacs with Mu4e on macOS]]
 2. [[https://www.bounga.org/tips/2020/05/03/multiple-smtp-accounts-in-gnus-without-external-tools/][Setting up multiple IMAP and SMTP accounts in Gnus]]
 3. [[https://jherrlin.github.io/posts/emacs-on-macos-monterey/][Emacs on Macos Monterey]]
+4. [[https://github.com/00riddle00/dotfiles/blob/master/.msmtprc][Msmtp resource file for posteo.net]]
 
 #+caption[Configure =message=]:
 #+caption: Configure =message=.