Go and allow
1- https://myaccount.google.com/lesssecureapps
Incoming Mail (IMAP) Server
imap.gmail.com
Requires SSL: Yes
Port: 993 port pop3 995
Outgoing Mail (SMTP) Server
smtp.gmail.com
Requires SSL: Yes
Requires TLS: Yes (if available)
Requires Authentication: Yes
Port for SSL: 465
Port for TLS/STARTTLS: 587
Full Name or Display Name Your name
Account Name, User name, or Email address Your full email address
Password Your Gmail password
