[BUG] Underscore in domain part of email are "valid"

[sariya23]

Bug Report

Q	A
Version(s)	v0.0.0-20230301143203-a9d515a09cc2

Summary

Underscore in the domain part is recognized as valid

Current behavior

Underscore in the domain part is recognized as valid

How to reproduce

import (
	"fmt"

	"github.com/asaskevich/govalidator"
)

func main() {
	e := "user@do_main.com"
	fmt.Println(govalidator.IsEmail(e)) // true
}

Expected behavior

import (
	"fmt"

	"github.com/asaskevich/govalidator"
)

func main() {
	e := "user@do_main.com"
	fmt.Println(govalidator.IsEmail(e)) // false
}

Info: https://en.wikipedia.org/wiki/Email_address#Domain

[fredgan]

Agree!