Overpassing O365 sent emails limit

[Akram Qalalwa]

Hi,

We're working on a new service under Bing.com, which will be sending a huge set of emails to different receipients everyday, where the emails sent are not duplicates. I've heared about the 10K emails sent limitation in O365, while 10K doesn't fulfill our needs. How can we overpass this rule?

[#2 · Accepted solution]

These limits are described in the Exchange Online Service Description and that indeed is 10,000 recipients per day, as well as a 500 recipients limit in any one email and if using SMTP client submission 30 messages per minute are allowed. 

Ther is this caveat:

"Exchange Online customers who need to send legitimate bulk commercial email (for example, customer newsletters) should use third-party providers that specialize in these services."

I don't think there is a way to override those limits, as there in place to prevent spam and conserve resources.  A company like SendGrid would be an option or something purpose built to handle this amount of email sending.

[#3]

Just not use Office 365, use other services that are better prepared for this scenarios...for instance Azure SendGrid

[#4]

Hi Arkam,

Or use a third party bulk email system has been said, or if you have a Hybrid Exchange, use your on-premises Exchange to do that work.