Service

You can manage protocols used by Synology MailPlus Server to let it communicate with external mail servers and third-party clients.

Protocol

At the Protocol tab, users can configure the SMTP settings, network interface, IMAP/POP3 settings, and full-text search function.

SMTP

Synology MailPlus Server uses SMTP to communicate with mail servers and third-party mail clients.

  1. At Service > Protocol, go to the SMTP section.
  2. Enable the following SMTP-related protocols:
  3. Click Apply to save the settings.

Note:

Network Interface

You can bind the SMTP, POP3, and IMAP services to a network interface.

  1. At Service > Protocol, go to the Network Interface section.
  2. In the Network Interface menu, select the desired interface.
  3. Click Apply to save the setting.

IMAP/POP3

Synology MailPlus Server uses IMAP and POP3 to communicate with popular third-party mail clients (e.g., Apple Mail and Microsoft Outlook).

  1. At Service > Protocol, go to the IMAP/POP3 section.
  2. Enable the following mail protocols to allow POP3/IMAP connections from third-party mail clients:
  3. Click Apply to save the settings.

Note:

Full-Text Search

The system can index all users' mail content and provide a thorough search to help you quickly find specific messages.

  1. At Service > Protocol, go to the Full-Text Search section.
  2. Tick Enable full-text search to index all mail content for full-text search.
  3. To perform an accurate search for mails written in Chinese/Japanese/Korean characters, tick Allow character search for Chinese, Japanese, and Korean mail.
  4. Click Apply to save the settings.

Note:

MailPlus Client

At the MailPlus Client tab, you can configure various settings applied to all client users.

POP3

SMTP

OpenPGP

Shared Link

Shared Mailbox

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