Show/Hide Toolbars

PerfectApps™ Help Guide

There are limits for recipients, recipient rates, recipient proxy addresses and message rates when using Microsoft 365 Exchange as an alternative Email server.

 

Feature

Office 365 Business Essentials

Office 365 Business Premium

Office 365 Education

Office 365 Enterprise E1

Office 365 Enterprise E3

Office 365 Enterprise E5

Office 365 Enterprise K1

Recipient rate limit

10,000 recipients per day

10,000 recipients per day

10,000 recipients per day

10,000 recipients per day

10,000 recipients per day

10,000 recipients per day

10,000 recipients per day

Recipient limit

500 recipients

500 recipients

500 recipients

500 recipients

500 recipients

500 recipients

500 recipients

Recipient proxy address limit

400

400

400

400

400

400

400

Message rate limit (SMTP client submission only)

30 messages per minute

30 messages per minute

30 messages per minute

30 messages per minute

30 messages per minute

30 messages per minute

30 messages per minute

 

Recipient Rate Limit:

After the recipient rate limit is reached, messages can't be sent from the mailbox until the number of recipients that were sent messages in the past 24 hours drops below the limit.

 

Recipient Limit:

The user should receive a 550 5.5.3 - NDR (Non-Delivery Report)

 

Recipient Proxy Address Limit:

It's important to note that exceeding the recipient proxy address limit can cause issues with email delivery and other Exchange Server functions

 

Message Rate Limit:

When outbound message volumes surpass the message rate limit, any excess in message submission will be throttled and successively carried over to the following minutes.

 

 

Return to: Adding an E-mail Server as an Account Resource