smtpify365 limits
These values describe the current implementation and can be configured operationally.
- 25 MB message size by default
- 100 envelope recipients
- 30 connection attempts per minute per remote IP
- 25 simultaneous clients per SMTP process
- Envelope sender must match the connected mailbox
Microsoft limits still apply
Graph acceptance and Exchange Online delivery remain subject to current Microsoft mailbox, recipient, rate, anti-abuse, and service limits.