=head1 NAME
smtp-check - SMTP setup checker
=head1 SYNOPSIS
B<smtp-check> [-port I<port>] [-skip_tls_check] I<domain>
=head1 DESCRIPTION
smtp-check is a command-line too for checking SMTP setups (DNS records, TLS
certificates, SPF, etc.).
=head1 OPTIONS
=over 8
=item B<-port> I<port>:
Port to use for connecting to the MX servers.
=item B<-skip_tls_check>:
Skip TLS check (useful if connections are blocked).
=back
=head1 SEE ALSO
chasquid(1)