Mojo-Email-Checker-SMTP ======================= Email checking by smtp with Mojo enviroment. use strict; use Mojolicious::Lite; use Mojo::IOLoop::Delay; use Mojo::Email::Checker::SMTP; my $checker = Mojo::Email::Checker::SMTP->new; post '/' => sub { my $self = shift; my $request = $self->req->json; my @emails; my $delay = Mojo::IOLoop::Delay->new; $delay->on(finish => sub { $self->render(json => \@emails); }); my $cb = $delay->begin(); for (@{$request}) { my $cb = $delay->begin(0); $checker->check($_, sub { push @emails, $_[0] if ($_[0]); $cb->(); }); } $cb->(); }; app->start;