my $multiple = 'test@one.com,test@two.com'; my @headers = ( From => 'Sender ', To => $multiple, Subject => $subject ); my $email = Email::Simple->create( header => \@headers, body => $params{"body"}, ); my $sender = Email::Send->new( {mailer => 'Gmail', mailer_args => [ username => 'user@gmail.com', password => 'password', ] } ); eval { $sender->send($email) }; print qq(Error sending email: $@) if $@;