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Luke Smith 2023-02-11 11:47:47 -05:00
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README.md
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@ -1,11 +1,7 @@
# 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, 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.
This script installs an email server with all the features required in the
modern web.
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:
@ -15,20 +11,23 @@ curl -LO lukesmith.xyz/emailwiz.sh
```
When prompted by a dialog menu at the beginning, select "Internet Site", then
give your full domain without any subdomain, i.e. `lukesmith.xyz`.
give your full domain without any subdomain, e.g. `lukesmith.xyz`.
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.
## This script installs
- **Postfix** to send and receive mail.
- **Dovecot** to get mail to your email client (mutt, Thunderbird, etc.).
- Config files that link the two above securely with native log-ins.
- Config files that link the two above securely with native PAM 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.
- The required SSL certificates if not already present.
- **Certbot** SSL certificates, if not already present.
- **fail2ban** to increase server security, with enabled modules for the above
programs.
## This script does _not_
## This script does _not_...
- use a SQL database or anything like that. We keep it simple and use normal
Unix system users for accounts and passwords.
@ -44,7 +43,7 @@ give your full domain without any subdomain, i.e. `lukesmith.xyz`.
1. Debian or Ubuntu server. I suited this script for
[Vultr](https://www.vultr.com/?ref=8940911-8H) servers originally, but it
works consistently on any normal setup.
seems to work on most other default setups on different VPS providers.
2. DNS records that point at least your domain's `mail.` subdomain to your
server's IP (IPv4 and IPv6). This is required on initial run for certbot to
get an SSL certificate for your `mail.` subdomain.