diff --git a/vimrc b/vimrc
index 542a485..99ee8d3 100644
--- a/vimrc
+++ b/vimrc
@@ -1,6 +1,8 @@
 syntax on
 colorscheme zenburn
 
+au BufRead ~/.mutt/temp/mutt-* set tw=72
+
 autocmd FileType make setlocal noexpandtab
 autocmd BufWritePre *.php :%s/\s\+$//e