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SMTP Diag Tool vs Windows 10 Firewall Control

A side-by-side look at SMTP Diag Tool and Windows 10 Firewall Control. For an in-depth review of either product, follow the links below.

SMTP Diag Tool

SMTP Diag Tool

Network & Admin

SMTP Diag Tool is a free, open-source Windows application used to diagnose issues with sending and receiving emails. It can test SMTP servers, validate email addresses, verify DNS records, and check for common email delivery problems.

smtpemaildiagnostictroubleshooting
Windows 10 Firewall Control

Windows 10 Firewall Control

Security & Privacy

Windows 10 Firewall Control is a firewall manager for the built-in Windows Firewall. It provides an easy interface to configure inbound/outbound rules, monitor network traffic, set permissions, and more.

windowsfirewallnetwork-security