MX Delivery Probe
Enter a domain. NetQuery resolves its MX records, selects the most preferred exchange, and probes that endpoint on port 25 - the path real mail takes.
Know the server already? Probe an exact host instead.
Enter a domain. NetQuery resolves its MX records, selects the most preferred exchange, and probes that endpoint on port 25 - the path real mail takes.
Know the server already? Probe an exact host instead.