SMTP server for Port 587 and STARTTLS:
Hello, we will soon migrate to cloud mail, which in the case of SMTP will go through Port 587 (consult the Secure Mail extension RFC). The fact is that the configuration available in "SMTP mail configuration" does not allow making a connection of this type, and when making a "Test Mail" it always fails. This mail model is known as SMTPS and does not respond to a "Telnet" connection, it is only possible to make a connection with "OpenSSL" and the "s_client" parameter, and another parameter such as "starttls" may or may not be necessary. Without prior authentication (AUTH LOGIN), nothing can be done, and the User / Password data is encrypted in Base64. The fact is that with OpenSSL you can establish a connection and manually create an email with the corresponding commands (MAIL FROM, RCPT TO, DATA ....), on the other hand, the current Solarwinds does not allow configuring an SMTPS email of this type . It should be noted that mail port 587, for now, and with this STARTTLS system, is what almost all companies are starting to use....
Therefore, I think it is a good idea to implement SMTP configuration for this mail model, as there is a potential number of customers interested in this functionality.
Best Regards.
