I'm implementing a satisfaction survey service that sends an email to each customer.
Can anyone tell me what are daily limits to my domain don't be listed on a global blacklist?

Do you think that increase of 270,000 emails per month can cause problems in b

Hi,

I have found no such email limit.

But based on my knowledge, the default vaule of maximum number of recipients per message is 5000.

You can navigate to Mail flow > Receive connectors > More options More Options Icon > Organization transport settings > Limits tab >

https://technet.microsoft.com/en-us/library/bb124345(v=exchg.150).aspx

Regards

David