gitlab_rails['gitlab_email_from'] = 'username@163.com'
user['git_user_email'] = "username@163.com"
gitlab_rails['smtp_enable'] = true
gitlab_rails['smtp_address'] = "smtp.163.com"
gitlab_rails['smtp_port'] = 465
gitlab_rails['smtp_user_name'] = "username@163.com"
gitlab_rails['smtp_password'] = "userpassword"
gitlab_rails['smtp_domain'] = "163.com"
gitlab_rails['smtp_authentication'] = "login"
gitlab_rails['smtp_enable_starttls_auto'] = true
gitlab_rails['smtp_tls'] = true
、开启邮箱授权码，将密码换成授权码；