Synology MailPlus License Pack

Synology MailPlus License Pack

Synology MailPlus license packs are designed for adding active email accounts on Synology MailPlus. By default, 5 licenses are installed on a MailPlus supported Synology NAS, and extra licenses can be purchased for additional email accounts according to business needs.

5 Email Accounts
20 Email Accounts
MailPlus_License
MailPlus_License

Licensing plan

Synology MailPlus License Packs are available for 5 or 20 active email accounts.1 They are perpetual, and can be migrated2 to other Synology NAS registered under the same Synology Account.3

Only active email accounts require licenses. You can reuse licenses from deactivated accounts to set up new accounts. Email aliases belonging to the same email account do not require separate licenses.

The maximum recommended number of active MailPlus accounts for each Synology NAS can be found on the relevant product page under Specs > Software Specs.

Notes:
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  1. All the licenses included in a Synology MailPlus License Pack are activated upon registration of the license key.
  2. The five free MailPlus licenses cannot be migrated.
  3. Upon activation, licenses are registered to the Synology NAS on which they were activated.

High-availability solutions

Synology MailPlus supports two high-availability solutions at no additional cost. The number of licenses required varies depending on the clustering architecture:

  1. MailPlus High Availability (Recommended)
    One MailPlus High Availability cluster includes 10 free email accounts. To add more email accounts, you will need to purchase additional licenses from Synology. For example, to enable 25 email accounts, you can purchase 15 additional licenses.
  2. Synology High Availability (SHA)
    Installing MailPlus Server on an SHA cluster will give you 5 free mail accounts. To add more email accounts, you will need to purchase additional licenses from Synology. For example, to enable 25 email accounts, you can purchase 20 additional licenses.

MailPlus web client and mobile apps

The MailPlus web client and mobile app (available for Android and iOS) are free to use and updated regularly with MailPlus Server.

License activation and account management

To activate the licenses you have purchased, sign in to your Synology NAS as an administrator. Open the MailPlus Server package and navigate to License to activate the license keys. An internet connection is required. You can activate each license key on only one supported Synology NAS at a time. To activate or deactivate email accounts, navigate to Account.

Please sign in to your Synology Account to check all active licenses.

MailPlus Features

Learn more about MailPlus features here.

Sizing Recommendations

Model Maximum number of users Maximum number of concurrent users Maximum Server Performance
FS6400 17500 3500 5,721,000 emails per day, approx. 174GB
FS3600 12000 2400 5,040,000 emails per day, approx. 151 GB
FS3410 10000 2000 4,471,000 emails per day, approx. 136 GB
FS2500 2250 450 3,486,240 emails per day, approx. 102 GB
HD6500 20000 4000 3,523,133 emails per day, approx. 103.7 GB
SA6400 14000 2800 5,721,000 emails per day, approx. 174 GB
SA3610 12000 2400 5,040,000 emails per day, approx. 151 GB
SA3410 10000 2000 4,312,000 emails per day, approx. 131 GB
SA3400D 10000 2000 4,312,000 emails per day, approx. 131 GB
SA3200D 2500 500 3,595,000 emails per day, approx. 109 GB
RS4021xs+ 10000 2000 4,312,000 emails per day, approx. 131GB
RS3621xs+ 10000 2000 4,235,000 emails per day, approx. 129GB
RS3621RPxs 4000 800 4,235,000 emails per day, approx. 129GB
RS3618xs 2500 500 3,595,000 emails per day, approx. 109GB
RS2821RP+ 750 150 1,484,000 emails per day, approx. 45GB
RS2423+/RS2423RP+ 750 150 1,484,000 emails per day, approx. 45GB
RS1619xs+ 2250 450 3,363,000 emails per day, approx. 102.6 GB
RS1221+/RS1221RP+ 750 150 1,484,000 emails per day, approx. 45GB
RS822+/RS822RP+ 750 150 1,484,000 emails per day, approx. 45GB
DS3622xs+ 7500 1500 4,235,000 emails per day, approx. 129 GB
DS2422+ 750 150 1,484,000 emails per day, approx. 45 GB
DS1823xs+ 2250 450 2,029,000 emails per day, approx. 59GB
DS1821+ 750 150 1,484,000 emails per day, approx. 45GB
DS1621+ 750 150 1,484,000 emails per day, approx. 45GB
DS1522+ 500 100 1,224,000 emails per day, approx. 37GB
DS923+ 500 100 1,224,000 emails per day, approx. 37GB
DS723+ 500 100 1,224,000 emails per day, approx. 37GB
DS620slim 250 50 181,000 emails per day, approx. 5.5GB
DS423+ 500 100 1,224,000 emails per day, approx. 37GB
DS224+ 500 100 1,224,000 emails per day, approx. 37GB

Applied Models

See the full list of applied models here.

Frequently Asked Questions

How can I purchase MailPlus License Packs?

Do I need to renew MailPlus licenses?

How can I migrate MailPlus licenses to another Synology product?

Where can I see my activated MailPlus licenses?