INSTALL: postfix and spamassassin are optional for HTTP mirrors

Not everybody needs to run an -mda or -watch

diff --git a/INSTALL b/INSTALL
index 7f12fbec97f16fc5d2343bc92555574ad8cc52e2..5851892c4b11f4593625b22030907f9cad5fdcbb 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -23,15 +23,18 @@ Requirements
 ------------
 
 * git
-* SpamAssassin (spamc/spamd)
-* MTA - postfix is recommended
 * Perl and several modules:    (Debian package name)
   - Date::Parse                libtimedate-perl
   - Email::MIME                libemail-mime-perl
   - Email::MIME::ContentType   libemail-mime-contenttype-perl
   - Encode::MIME::Header       perl
 
-Optional modules:
+Optional components:
+
+* MTA - postfix is recommended (for public-inbox-mda)
+* SpamAssassin (spamc/spamd)   (for public-inbox-watch/public-inbox-mda)
+
+Optional Perl modules:
 
   - Plack[1]                   libplack-perl
   - Mail::Thread (2.5+)[1]     libmail-thread-perl