Synology DS411SLIM manual Host Mail Server, Before you start, Set up Mail Server, 123

Synology DiskStation User's Guide

Based on DSM 3.1

Host Mail Server

You can turn your Synology DiskStation into a mail server, allowing Synology DiskStation users to receive and deliver mail messages using their mail client programs.

Before you start

Register a domain name for your IP, or apply for a DDNS hostname.

Note: For more information about registering a DDNS account for Synology DiskStation, see "Give Synology DiskStation a DDNS Hostname" on Page 61.

When applying for a domain name or dynamic domain name, please fill the MX (Mail eXchanger) record of mail domain with your mail server (that is the FQDN of Synology DiskStation).

For example, if the mail server is mail.synology.com, then fill the MX record with mail.synology.com.

Go to Main Menu > Control Panel > User and enable User Home service to allow users to store their mail messages in their home folders. Otherwise, they will not be able to send or receive mails.

Note: For more information about User Home, see "Create User's Home Folder" on Page 75.

Confirm the port forwarding settings:

You should follow the table below to setup port forwarding if NAT is required.

Protocols	SMTP	POP3		IMAP	IMAPS	POP3S
Port	25	110		143	993	995
Note			IMAPS: IMAP over SSL/TLS
			POP3S: POP3 over SSL/TLS

Set up Mail Server

Go to Main Menu > Control Panel > Mail Server to enable DiskStation’s mail server service.

To set up mail server:

1Under the Mail server settings tab, do the following: a Tick Enable SMTP to deliver and receive mails.

b Tick SMTP Authorization is required if you want to prevent your mail accounts from being used as a spammer.

If you use this option, then your users must provide their Synology DiskStation user account and password for authentication while setting SMTP server in their mail clients. Take Outlook Express, for example, you

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Chapter 10: Host Websites, Email Server, and Print Server