SSL command

-SSL command enables SSL data encryption when connecting to SMTP server.

SSL is an acronym for Secure Socket Layer, a cryptographic protocol that ensures secure data transfer over the Internet. On contrary to unencrypted data transfer, SSL provides significant security benefits during authentication with mail server and data communication.

Command syntax:
  • febootimail -SSL

The default port for SSL connection is 465. Some servers provide both encrypted and non-encrypted access, and it is possible to choose between secure or plain connection.

C:\>febootimail -SERVER -FROM -TO -USER john -PASS 3kr5$DrB -MSG Email sent through secure server -SSL

Usually, SSL command is used with one of the SMTP server authentication methods using -AUTH, -USER and -PASS commands.

Example of sending Gmail email using SSL. See an additional instructions, if getting "Allow less secure apps" error message. Just replace with valid Gmail address:

C:\>febootimail -SUBJECT Secure Gmail email -SERVER -SSL -AUTH PLAIN -USER -PASS *********** -FROM -TO -TEXT This email is sent via Gmail's server. It is easy and secured with SSL!

OpenSSL credit: This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit. ( This product includes cryptographic software written by Eric Young (

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