It captures and displays the raw text-based conversation between your client and the SMTP server.
It serves as a graphical alternative to using Telnet for SMTP testing , which can be cumbersome and error-prone. Downloading and Compatibility
Originally developed by , SMTP Diagnostics is a Windows-based application that helps you troubleshoot outgoing mail problems. It acts as a specialized debugger for the Simple Mail Transfer Protocol (SMTP) , allowing you to see the exact protocol messages exchanged during an email transaction. smtp diagnostics white peak download
The tool is particularly useful for identifying why a specific server might be rejecting your credentials, timing out, or failing to handle attachments. Key Features of the Tool
The installer is approximately 3.7 MB , making it a quick addition to a technician’s toolkit. It captures and displays the raw text-based conversation
Troubleshooting email delivery issues can be a frustrating hurdle for IT professionals and small business owners alike. by White Peak Software is a legacy utility designed to simplify this process by providing a clear view of the "handshake" between your computer and your mail server. What is White Peak SMTP Diagnostics?
Informer Technologies, Inc.https://smtp-diagnostics.software.informer.com Download SMTP Diagnostics by White Peak Software Inc It acts as a specialized debugger for the
You can find the latest version, , through various software archives:
You can send test messages with or without attachments to verify if file size or type is causing delivery failures.