Forum Discussion
How can Enterprises send bulk marketing emails (80,000+ emails)?
Hello All, Looking for the solution to send bulk emails. I understand, By default, all mailboxes have a 10,000 email per 24 hours send limit to prevent spam. However, our marketing team runs a campai...
In addition, when sending bulk emails from a third-party tool, you should consider using a subdomain of your primary domain to prevent low reputation score by spam filtering services on the internet.
So, if you are sending from your marketing department, for instance, your email should look like mailto:email address removed for privacy reasons
https://learn.microsoft.com/en-us/defender-office-365/outbound-spam-protection-about#recommendations-for-customers-who-want-to-send-mass-mailings-through-eop