Merge branch 'master' of github.com:LukeSmithxyz/emailwiz

1 files changed, 9 insertions, 3 deletions

diff --git a/README.md b/README.md
index e4094a9..ea7f9b8 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ sizeable network of people with email servers thanks to this script.
 I've linked this file on Github to a shorter, more memorable address on my
 website so you can get it on your machine with this short command:
 
-```
+```sh
 curl -LO lukesmith.xyz/emailwiz.sh
 ```
 
@@ -21,7 +21,7 @@ give your full domain without any subdomain, i.e. `lukesmith.xyz`.
 
 - **Postfix** to send and receive mail.
 - **Dovecot** to get mail to your email client (mutt, Thunderbird, etc.).
-- Config files that unique the two above securely with native log-ins.
+- Config files that link the two above securely with native log-ins.
 - **Spamassassin** to prevent spam and allow you to make custom filters.
 - **OpenDKIM** to validate you so you can send to Gmail and other big sites.
 
@@ -128,4 +128,10 @@ support me at [lukesmith.xyz/donate](https://lukesmith.xyz/donate.html).
   [this site](https://mxtoolbox.com/blacklists.aspx) to see if it is. Don't
   worry if you are: sometimes especially new domains are automatically assumed
   to be spam temporarily. If you are blacklisted by one of these, look into it
-  and it will explain how to remove yourself.
+  and it will explain why and how to remove yourself.
+- Check your DNS settings using [this site](https://intodns.com/), it'll report
+  any issues with your MX records
+- Ensure that port 25 is open on your server.
+  [Vultr](https://www.vultr.com/docs/what-ports-are-blocked) for instance
+  blocks this by default, you need to open a support ticket with them to open
+  it. You can't send mail if 25 is blocked