Office 365 has outgoing mail limit of 30 messages per minute, then after that the messages get marked as spam and likely not delivered.

I need some smtp account/service that allows me to control the outflow of messages (say 100 per 15 minutes). Any emails in excess of this limit would be queued for a later send.

I would still want my O365 mail to be tracked in this service and visa versa.

Any experience or suggestions?

Thank you!

  • "another service for bulk mailings" <- Please remove this part as it is not on-topic here (asking for a SMTP service is off-topic as there are too many) – Nicolas Raoul May 17 '19 at 5:49

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