Office365 email sending limit. Per day: 10 000 recipients. Per hour: There's no hourly limit, but a limit per minute, which is 30 messages max. Additional good-to-know: If you take your outreach seriously, you won't even get close to the daily limit of Office 365. 10K per day sounds ridiculous for quality email outreach. But, be aware of
As a reminder, regular Gmail accounts can send 500 emails every 24 hours while Google Apps accounts can send 2,000 emails every 24 hours. These limits are detailed for regular Gmail accounts here at and for Google Apps accounts at https://support.google.com/a/answer/166852?hl=en.
As a regular Gmail account user you can send 500 messages per day. But, if you are using POP or IMAP client, the limit is reduced to 100 messages per day. If you exceed the daily quota, besides popping up the error message, Gmail keeps the unsent messages in the Draft folder of your mailbox.
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