Init V4 community edition (#2265)

* Init V4 community edition

* Init V4 community edition

pkg/email/mail.go

@@ -1,8 +1,8 @@
 package email
 
 import (
+	"context"
 	"errors"
-	"strings"
 )
 
 // Driver 邮件发送驱动
@@ -10,7 +10,7 @@ type Driver interface {
 	// Close 关闭驱动
 	Close()
 	// Send 发送邮件
-	Send(to, title, body string) error
+	Send(ctx context.Context, to, title, body string) error
 }
 
 var (
@@ -19,20 +19,3 @@ var (
 	// ErrNoActiveDriver 无可用邮件发送服务
 	ErrNoActiveDriver = errors.New("no avaliable email provider")
 )
-
-// Send 发送邮件
-func Send(to, title, body string) error {
-	// 忽略通过QQ登录的邮箱
-	if strings.HasSuffix(to, "@login.qq.com") {
-		return nil
-	}
-
-	Lock.RLock()
-	defer Lock.RUnlock()
-
-	if Client == nil {
-		return ErrNoActiveDriver
-	}
-
-	return Client.Send(to, title, body)
-}