Using SMTP
When using the SMTP method, the email server uses the rules of Simple Mail Transfer Protocol (SMTP) to send the emails.
Some of its distinguishable features are:
- Simpler setup
- Requires less technical and coding skills
See Send Emails Using SMTP to learn more.
Using API
When using the API method, the email server uses the HyperText Transfer Protocol (HTTP) to send the emails.
Some of its distinguishable features are:
- Faster than SMTP
- Better scalability
- Ideal for sending emails in larger volumes
See Send Emails Using APIs to learn more.