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When a teammate’s installation status says their signature “is longer than Zoho Mail accepts,” Zoho Mail refused the signature because of its size. The installation shows Failed, and the teammate keeps the signature they had before in Zoho Mail. Zoho Mail doesn’t publish a size limit for signatures. A signature reaches it when its template holds a lot of content: many blocks, long disclaimers, or many images and links.

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Make the signature lighter

1

Open the signature template

In the teammate’s installation status, click Remove some element in your signature template. The template opens in the editor.
2

Remove what the signature can do without

Remove blocks you don’t need, shorten long texts such as disclaimers, and keep fewer social icons, images and links. Images are stored by Scribe and linked from the signature, so their file size doesn’t count: their number does.
3

Publish and reinstall

Publish the template, then install the signature again. When Zoho Mail accepts it, the status changes from Failed to Installed.
If the signature still fails, contact our support team with the teammate’s email address.