Generic ReGex for e-mail validation using Python

mail_list.txt

devwarltdevwarltdevwarltdevwarltdevwarltdevwarltdevwarltdevwarlt@gmail.com
devwarlt@gmail.cmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmom
devwarlt@gmail.cmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmommmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmom
asfajhkjklhjklççç~ç~ç~ç~ç@php.com
asdfasdfasdf32452452fgsdfgsdfg,m.m,m,n,m.n,m@email.br
0-9a-zA-Z@0-9a-zA-Z.0-9a-zA-Z
blablabla@9120734089712340.ascasd

mail_regex_validator.py

from re import match


__MAIL_REGEX: str = "^[0-9a-zA-Z_.]{1,64}@[0-9a-zA-Z]+\.[a-zA-Z]{1,319}$"

lines: list = []
with open('mail_list.txt', 'r') as file:
    lines = file.readlines()

for line in lines:
    mail: str = line
    message: str =\
        "Is mail '{mail}' valid? {response}"\
        .format(
            mail=mail,
            response=(
                "Yes, it's."
                if match(__MAIL_REGEX, mail)
                else "No, it's not."
            )
        )
    print(message)

output.txt

Is mail 'devwarltdevwarltdevwarltdevwarltdevwarltdevwarltdevwarltdevwarlt@gmail.com' valid? Yes, it's.
Is mail 'devwarlt@gmail.cmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmom' valid? Yes, it's.
Is mail 'devwarlt@gmail.cmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmommmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmom' valid? No, it's not.
Is mail 'asfajhkjklhjklççç~ç~ç~ç~ç@php.com' valid? No, it's not.
Is mail 'asdfasdfasdf32452452fgsdfgsdfg,m.m,m,n,m.n,m@email.br' valid? No, it's not.
Is mail '0-9a-zA-Z@0-9a-zA-Z.0-9a-zA-Z' valid? No, it's not.
Is mail 'blablabla@9120734089712340.ascasd' valid? Yes, it's.