v1.4.2 - configurable unsubscribe footer

The footer can now be just the unsubscribe link.

The permission sentence above it was hardcoded. Both it and the link wording are now settings under Settings -> Email layout:

• Permission line - leave blank to show nothing but the link
• Unsubscribe link text - defaults to "Unsubscribe"

Leaving the permission line blank removes the element entirely rather than leaving an empty one that still contributes spacing.

What stays

The link itself is mandatory, and a blank label falls back to "Unsubscribe". An unlabelled unsubscribe is an invisible one - a CAN-SPAM problem, and the fastest way to be reported as spam instead.

The postal address is also untouched: US commercial email requires one, and dropping it is not a styling decision. Set it under Settings if you have not.

Both the HTML and plain-text parts take the same options, so the two halves of a message cannot disagree about how to unsubscribe.

No schema change.

Tested up to: 6.8

Installing

Download techzapp-crm.zip below. Do not use the auto-generated source archives - they omit vendor/ and the plugin will not load.