> For the complete documentation index, see [llms.txt](https://docs.yaycommerce.com/yaysmtp/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.yaycommerce.com/yaysmtp/how-to-set-up-smtps.md).

# Set Up SMTP Mailers

There are varieties of SMTP servers available in the plugin that you could connect to and you could create an account with many or all of them to subscribe fo their free plans, each free plans has limits of possible messages allowed within a specified period of time which may vary from one server to another.

Some of the currently available SMTP servers allowed by the plugin include:

1. PHP (WordPress default)
2. SendGrid
3. Sendinblue
4. Amazon SES
5. Mailgun
6. SMTP.com
7. Gmail
8. Zoho
9. Postmark
10. Microsoft 
11. SparkPost
12. Pepipost
13. Mailjet
14. Sendpulse

**Note:** 

The SMTP mailers will not be able to work on your site until you’ve completed the respective processes involved in setting them up.