validatemail

Simple Validate Email for Go

Usage

###1# Format

func main() {
	err := validatemail.ValidateFormat("*!&^4 %@@gmail.com")
	if err != nil {
		fmt.Println(err)
	}
}

output: invalid format

###2# Domain

func main() {
	err := validatemail.ValidateHost("email@x-lazycious-domain.com")
	if err != nil {
		fmt.Println(err)
	}
}

output: unresolvable host

###3# User

func main() {
	err := validatemail.ValidateHost("unknown-user-129083726@gmail.com")
	if smtpErr, ok := err.(validatemail.SmtpError); ok && err != nil {
		fmt.Printf("Code: %s, Msg: %s", smtpErr.Code(), smtpErr)
	}
}

output: Code: 550, Msg: 550 5.1.1 The email account that you tried to reach does not exist.