this is my config：
“mail”: {
“transport”: “SMTP”,
“options”: {
“service”: “Mailgun”,
“auth”: {
“user”: "postmaster@example.mailgun.org",
“pass”: “1234567890”
}
},
“from”: "xiaoweizha@126.com"
}
only mailgun and ses can support？and how do i know my server support direct mail，help me！i am in china,canot register mailgun.how do i config mail rightly? thank you！