Install libemail-valid-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libemail-valid-perl
Description:
Perl module for checking the validity of Internet email addresses
Email::Valid determines whether an email address is well-formed, and optionally, whether a mail host exists for the domain. . Please note that there is no way to determine whether an address targets a valid recipient without actually attempting to deliver a message.
Homepage: https://metacpan.org/release/Email-Valid
Version: 1.202-1
Section: perl