Email limitations

These limitations apply only to email hosted on a dedicated server or VPS. For other limitations, see Office 365 Limits, Workspace Limits or HEX Limits.

If you host email addresses on your virtual or dedicated server, the following limitations apply:

  • 1,000 outbound emails per day
  • Attachments cannot exceed 30MB with no individual file exceeding 20MB

For information on expanding your email limitations, please see Requesting Additional SMTP Relays for Your Server.

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