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Natterbox vs SMTP Diag Tool

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

Natterbox

Natterbox

Business & Commerce

Natterbox is a cloud-based phone system for businesses. It provides a virtual business phone with features like call routing, IVRs, voicemail, call recording, and analytics. Natterbox integrates with CRM systems and aims to improve productivity.

cloudbasedvirtual-phone-systemcall-routingivrvoicemailcall-recordinganalyticscrm-integration
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