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No DNS setup necessary, but firewall setup may be.

This commit is contained in:
Douwe Maan 2015-08-25 12:21:54 -07:00
parent 5747fa0016
commit 5c226d335f
1 changed files with 8 additions and 25 deletions
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33
doc/reply_by_email/postfix.md
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@ -4,21 +4,10 @@ This document will take you through the steps of setting up a basic Postfix mail
The instructions make the assumption that you will be using the email address `replies@gitlab.example.com`, that is, username `replies` on host `gitlab.example.com`. Don't forget to change it to your actual host when executing the example code snippets.
## Configure your server DNS
## Configure your server firewall
1. Add an MX record pointing from `gitlab.example.com` to your server IP.
1. Add an A record pointing from `mail.gitlab.example.com` to your server IP.
1. Verify that the changes have propagated:
```sh
dig mx gitlab.example.com
```
```sh
dig a mail.gitlab.example.com
```
You should see an `ANSWER SECTION` with the expected result in the output for both.
1. Open up port 25 on your server so that people can send email into the server over SMTP.
2. If the mail server is different from the server running GitLab, open up port 143 on your server so that GitLab can read email from the server over IMAP.
## Install packages
@ -183,7 +172,7 @@ Courier, which we will install later to add IMAP authentication, requiers mailbo
1. Let Postfix know about the domains that it should consider local:
```sh
sudo postconf -e "mydestination = mail.gitlab.example.com, localhost.localdomain, localhost, gitlab.example.com"
sudo postconf -e "mydestination = gitlab.example.com, localhost.localdomain, localhost"
```
1. Let Postfix know about the IPs that it should consider part of the LAN:
@ -200,12 +189,6 @@ Courier, which we will install later to add IMAP authentication, requiers mailbo
sudo postconf -e "inet_interfaces = all"
```
1. Configure Postfix to receive mail on both IPv4 and IPv6 protocols:
```sh
sudo postconf -e "inet_protocols = all"
```
1. Configure Postfix to use the `+` delimiter for sub-addressing:
```sh
@ -215,7 +198,7 @@ Courier, which we will install later to add IMAP authentication, requiers mailbo
1. Restart Postfix:
```sh
sudo /etc/init.d/postfix restart
sudo service postfix restart
```
## Test the final setup
@ -225,14 +208,14 @@ Courier, which we will install later to add IMAP authentication, requiers mailbo
1. Connect to the SMTP server:
```sh
telnet mail.gitlab.example.com 25
telnet gitlab.example.com 25
```
You should see a prompt like this:
```sh
Trying 123.123.123.123...
Connected to mail.gitlab.example.com.
Connected to gitlab.example.com.
Escape character is '^]'.
220 gitlab.example.com ESMTP Postfix (Ubuntu)
```
@ -287,7 +270,7 @@ Courier, which we will install later to add IMAP authentication, requiers mailbo
1. Connect to the IMAP server:
```sh
telnet mail.gitlab.example.com 143
telnet gitlab.example.com 143
```
You should see a prompt like this: