Mail.smtp.ssl.protocols tlsv1.2

A specific configuration!

mail.smtp.ssl.protocols is a property that allows you to specify the SSL/TLS protocol versions to use when connecting to a mail server using SSL/TLS encryption.

In your case, tlsv1.2 is a specific protocol version that is part of the TLS 1.2 standard. This protocol version is considered secure and is widely supported by most modern email clients and servers.

By setting mail.smtp.ssl.protocols to tlsv1.2, you are telling the mail client to use only the TLS 1.2 protocol when connecting to the mail server. This can help ensure that the connection is encrypted and secure.

Here are a few things to keep in mind:

Compatibility: Not all mail servers or clients may support TLS 1.2. If you encounter issues, you may need to adjust the protocol version or use a different encryption method.
Security: TLS 1.2 is considered secure, but it's not the latest and greatest. TLS 1.3 is the current recommended standard, but it may not be supported by all clients or servers.
Configuration: The mail.smtp.ssl.protocols property is typically set in a configuration file or environment variable, depending on the mail client or server you're using.

Here are some examples of how you might set this property in different contexts:

In a Java-based mail client, you might set the property in a java.properties file:
```
mail.smtp.ssl.protocols=tlsv1.2
```

In a Python-based mail client, you might set the property using the smtplib library:

import smtplib
smtplib.SMTP_SSL('smtp.example.com', 465, ssl_version=smtplib.PROTOCOL_TLSv1_2)

In a configuration file for a mail server, you might set the property using a syntax specific to the server software (e.g., Apache James, Postfix, etc.).

Remember to check the documentation for your specific mail client or server to determine the best way to set this property.

Mail Knowledge

Mail.smtp.ssl.protocols tlsv1.2