Help for Aimeos

I want to use my service email to send order mail to customers. I follow link settings client/html/email/payment/from-email and client/html/email/payment/from-name, but didn't receive an email.
https://aimeos.org/docs/Configuration/C ... html/email

Do I need to set mail driver, host, port...?

I have a problem on new omnipay payment method. I have imported the ai-payments extension, the omnipay and the omnipay-wechatpay package. I have created a new payment service with omnipay.type = "WechatPay". https://i.imgur.com/rqAcLxf.jpg When I select the payment method during checkout, ...