Install libemail-valid-loose-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libemail-valid-loose-perl
Description:
Email::Valid which allows dot immediately before at mark
Email::Valid::Loose is a subclass of Email::Valid, which allows dot (.) immediately before at-mark (@). It is invalid in RFC822, but is commonly used in some of mobile phone addresses in Japan (like docomo.ne.jp or jp-t.ne.jp).
Homepage: https://metacpan.org/release/Email-Valid-Loose
Version: 0.05-4
Section: universe/perl