How to Troubleshoot Magic Login Links That Do Not Work

Start with the obvious checks

When a login link fails, the cause is usually not mysterious. Check whether the link has expired, whether it has already been used once, and whether the recipient is opening it from the same device or IP address that was used when it was generated.

Common reasons a link fails

• The configured expiration window has already passed
• The link was opened more than once and is now invalid
• IP binding is enabled, but the user is on a different network
• The link was copied with extra spaces or line breaks
• A security plugin, proxy, or caching layer altered the request

Practical debugging flow

1. Generate a fresh link with a longer expiration period
2. Disable IP binding temporarily to isolate the issue
3. Open the link in a private browser window
4. Confirm that SSL is configured correctly on the site
5. Check server and WordPress logs for blocked requests

If a link only fails in one browser or network, the plugin is usually fine and the environment is the thing to inspect first.