README updated to reflect the use of Exim

README.md

@@ -41,21 +41,18 @@ might be best omitted. Also note that these Playbooks are based on using
 `mx.webarch.net` for incoming email -- this is an anti-spam gateway, if this
 wasn't used then SpamAssassin should probably be added to the mix.
 
-The email setup is based on the
+The email setup was originally based on the
 [mail-reciever](https://github.com/discourse/mail-receiver) Docker container
 plus the [outstanding pull
 request](https://github.com/discourse/mail-receiver/pull/2) and the [Postfix
 notes](https://meta.discourse.org/t/emails-with-local-smtp/23645/28) for using
-the host for outgoing email.
+the host for outgoing email, but then we switched it over to use Exim.
  
 ### TODO:
 
-* **Email:** Postfix isn't configured correctly, for outgoing email some of [these steps](https://meta.discourse.org/t/emails-with-local-smtp/23645/28) were followed and then the [mail-reciever Docker setup](https://github.com/discourse/mail-receiver) was copied and [this thread](https://meta.discourse.org/t/reducing-backscatter-in-email-interface/59974) and [some of the changes here](https://github.com/discourse/mail-receiver/pull/2/files) were implemented and it is not quite right...
-* Munin node plugin setup 
-
 ### CoTech Community Discourse Settings
 
-Suggested settings the be used for `community.coops.tech`:
+Initial settings used for `community.coops.tech` when it was created:
 
 * title: Cooperative Technologists Community
 * site description: The intersection of co-operation and technology, the CoTech community forum.