SMTP Config
So if you want to enable mail sending then you must configure this mail/smtp configuration in admin panel.
So if you want to enable mail sending then you must configure this mail/smtp configuration in admin panel.
You can find this settings in SMTP Settings Tab.
Enter all SMTP Details as shown in screen shot below
If you have problem with mailing with this setup than please contact your provider with those variables and ask correct info
Gmail:
NOTE: You have to set less secure apps access your account enable and 2 factor authentication off Less secure apps - Google Account please go through this Link
Default config details for Gmail SMTP
Gmail SMTP Host: smtp.gmail.com
Gmail Email: xxxxxxx@gmail.com
Gmail Password: ******
SMTPSecure(TLS) - Port No.: 587
SMTPSecure(SSL) - Port No.: 465