Tagged: troubleshooting

How to Fix an OG Image Not Showing

A step-by-step way to find out why your link preview has no image, the wrong image, or an old one.

Why Is My Link Preview Not Showing Correctly?

Wrong title, old image or no card: how to tell metadata, access and caching problems apart.

How to Read Email Headers

A practical, field-by-field guide to reading raw email headers and knowing which lines to trust.

How to Trace an Email Using Its Headers

Follow the Received chain from the first server to your mailbox, and learn what an email trace really shows.