This is the API documentation for net/smtp: Ruby Standard Library Documentation.
MNet
CNet::SMTP
CNet::SMTPAuthenticationError
MNet::SMTPError
CNet::SMTPFatalError
CNet::SMTPServerBusy
CNet::SMTPSession → Net::SMTP
CNet::SMTPSyntaxError
CNet::SMTPUnknownError
::default_port (Net::SMTP)
::new (Net::SMTP)
::start (Net::SMTP)
#esmtp (Net::SMTP)
#esmtp= (Net::SMTP)
#esmtp? (Net::SMTP)
#finish (Net::SMTP)
#inspect (Net::SMTP)
#open_message_stream (Net::SMTP)
#read_timeout= (Net::SMTP)
#ready (Net::SMTP)
#send_mail (Net::SMTP)
#send_message (Net::SMTP)
#sendmail (Net::SMTP)
#set_debug_output (Net::SMTP)
#start (Net::SMTP)
#started? (Net::SMTP)