Teste SMTP (SMTP test)

Any questions on how to use the APP and just access the following instructions link: https://aplicativosmaxwell.blogspot.com/2020/04/teste-smtp-smtp-test.html

SMTP test - and a tool to query the exact SMTP "conversation" to help you solve email sending problems in your software / application, test your connection with Sendgrid, Mailgun, Amazon SES or any SMTP server.

Usually you use this application when you have software that has internal e-mail shots already configured and is failing.