what are gmail email settings?
['The server address: smtp.gmail.com.', 'Username: youremail@gmail.com.', 'Security Type: TLS or SSL.', 'Port: For TLS: 587; For SSL: 465.', 'Server Address: either pop.gmail.com or imap.gmail.com.', 'Username: youremail@gmail.com.', 'Port: For POP3: 995; for IMAP: 993.']