I think, the module is useful.

<quote>This module determines whether an email address is well-formed, and optionally, whether a mail host exists for the domain. [...] Either the Net::DNS module or the nslookup utility is required for DNS checks. The Net::Domain::TLD module is required to check the validity of top level domains.</quote>

Should I try, to develop this as a Goodie?
posted by <hidden> • 5 years and 4 months ago Link