Is it Down? vs SMTP Diag Tool
A side-by-side look at Is it Down? and SMTP Diag Tool. For an in-depth review of either product, follow the links below.
Is it Down?
Online Services
Is it Down? is a website that allows users to check the status of other websites and web services. Users can enter a URL and the site will check if that website is up and running or down for everyone.
uptimestatus-checkavailability
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
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