split watcher and http server from sender + add golanci config

config/smtp.go

@@ -10,7 +10,7 @@ import (
 type SMTPConfig struct {
 	User     string `validate:"required"`
 	Password string `validate:"required"`
-	Url      string `validate:"required"`
+	URL      string `validate:"required"`
 	Port     string `validate:"required"`
 }
 
@@ -18,7 +18,7 @@ func NewSMTPConfig(user, password, url, port string) (SMTPConfig, error) {
 	config := SMTPConfig{
 		User:     user,
 		Password: password,
-		Url:      url,
+		URL:      url,
 		Port:     port,
 	}
 
@@ -30,6 +30,6 @@ func NewSMTPConfig(user, password, url, port string) (SMTPConfig, error) {
 	return config, nil
 }
 
-func (c SMTPConfig) GetFullUrl() string {
-	return fmt.Sprintf("%s:%s", c.Url, c.Port)
+func (c SMTPConfig) GetFullURL() string {
+	return fmt.Sprintf("%s:%s", c.URL, c.Port)
 }