Author: Luke Smith <email@example.com>
Date: Sun, 6 Dec 2020 21:08:30 -0500
2 files changed, 18 insertions(+), 17 deletions(-)
diff --git a/README.md b/README.md
@@ -1,8 +1,11 @@
# Email server setup script
I wrote this script during the grueling process of installing and setting up
-an email server. It perfectly reproduces my successful steps to ensure the
-same setup time and time again.
+an email server. It perfectly reproduces my successful steps to ensure the
+same setup time and time again, now with many improvements.
+I'm glad to say that dozens, hundreds of people have now used it and there is a
+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:
@@ -40,8 +43,6 @@ give your full domain without any subdomain, i.e. `lukesmith.xyz`.
them. Note that the affiliate link there to Vultr gives you a $100 credit
for the first month to play around.
2. **A Let's Encrypt SSL certificate for your site's `mail.` subdomain**.
- Create a nginx/apache site at `mail.<yourdomain.com>` and get a certificate
- for it with Let's Encrypt's [Certbot](https://certbot.eff.org/).
3. You need two little DNS records set on your domain registrar's site/DNS
server: (1) an **MX record** pointing to your own main domain/IP and (2) a
**CNAME record** for your `mail.` subdomain.
@@ -60,10 +61,10 @@ give your full domain without any subdomain, i.e. `lukesmith.xyz`.
5. `apt purge` all your previous (failed) attempts to install and configure a
mail server. Get rid of _all_ your system settings for Postfix, Dovecot,
OpenDKIM and everything else. This script builds off of a fresh install.
-6. Some VPS providers block port 25 (used to send mail). You may need to
- request that this port be opened to send mail successfully. Although I have
- never had to do this on a Vultr VPS, others have had this issue so if you
- cannot send, contact your VPS provider.
+6. Some VPS providers block mail port numbers like 25, 933 or 587 by default.
+ You may need to request these ports be opened to send mail successfully.
+ Vultr and most other VPS providers will respond immediately and open the
+ ports for you if you open a support ticket.
## Post-install requirement!
@@ -81,7 +82,7 @@ passwd billy
Any user added to the `mail` group will be able to receive mail. Suppose a user
-Cassie already exists and we want to let her receive mail to. Just run:
+Cassie already exists and we want to let her receive mail too. Just run:
usermod -a -G mail cassie
@@ -104,7 +105,7 @@ email program. For my domain, the server information will be as follows:
In previous versions of emailwiz, you also had to log on with *only* your
username (i.e. `luke`) rather than your whole email address (i.e.
-`firstname.lastname@example.org`), which caused some confusion. This is no longer the
+`email@example.com`), which caused some confusion. This is no longer the
## Benefited from this?
@@ -126,5 +127,5 @@ support me at [lukesmith.xyz/donate](https://lukesmith.xyz/donate.html).
new one) might be on a public spam list. Check
[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 temporaily. If you are blacklisted by one of these, look into it
- and it will explain why and how to remove yourself.
+ to be spam temporarily. If you are blacklisted by one of these, look into it
+ and it will explain how to remove yourself.
diff --git a/emailwiz.sh b/emailwiz.sh
@@ -208,17 +208,17 @@ cut -d: -f1 /etc/passwd | grep -q "^vmail" || useradd vmail
chown -R vmail:vmail /var/lib/dovecot
-echo "Preparing user authetication..."
+echo "Preparing user authentication..."
grep -q nullok /etc/pam.d/dovecot ||
echo "auth required pam_unix.so nullok
account required pam_unix.so" >> /etc/pam.d/dovecot
-# A lot of the big name email services, like Google, will automatically
-# rejectmark as spam unfamiliar and unauthenticated email addresses. As in, the
-# server will flattly reject the email, not even deliverring it to someone's
-# Spam folder.
+# A lot of the big name email services, like Google, will automatically reject
+# as spam unfamiliar and unauthenticated email addresses. As in, the server
+# will flatly reject the email, not even delivering it to someone's Spam
# OpenDKIM is a way to authenticate your email so you can send to such services
# without a problem.