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JustBook Help

Show your logo next to your emails

There are two different logos on an email, and they come from two different places:

  • The logo inside the email — the picture at the top of the message. This is already your business logo, taken from your brand settings. If you’ve uploaded a dark-background version of your logo, JustBook automatically uses whichever one reads best on the email’s colored header. You don’t need to do anything.
  • The sender picture — the little circle next to your name in the inbox list and at the top of the message. This one is not set by JustBook. Your customer’s email app decides it from the address you send from. This page is about that circle.

If the sender picture is missing, wrong, or out of date, the fix depends on how you send your emails.

The easy way: send from your own mailbox

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When you send from your own address, the sender picture is whatever your email provider shows for that address — so set your logo there once and it appears everywhere.

  1. Turn on your own sender in JustBook — see Email sender identity. (This is a Pro-plan feature.)
  2. In your email provider’s account or admin settings, set the profile picture for the address you send from:
    • Google Workspace — set the account’s profile photo.
    • Zoho Mail, Microsoft 365, and most others — set the mailbox or organization logo in their admin console.
  3. Use a square image so it isn’t cropped oddly in the circle.

That’s it. Because your emails now come from your own address, customers’ inboxes pick up your provider’s picture automatically. Give inboxes a little time — some cache the old picture for a few days.

Works with any provider: set a Gravatar

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Gravatar links a picture to an email address, and many inboxes use it as a fallback. It works no matter who your email provider is.

  1. Go to gravatar.com and sign in — or create an account — using the exact address you send from.
  2. Upload your logo (square works best) and confirm the address.
  3. Wait for inboxes to refresh. As with the step above, an old cached picture can linger for a few days.

Advanced: a verified logo with BIMI

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BIMI is an email standard that lets you publish an official logo for your domain, so supported inboxes show it consistently — and, in some, a “verified” checkmark next to your name. It’s the most reliable option, but it touches your domain settings, so it’s best done with whoever manages your domain.

You need three things:

  1. An enforced DMARC policy on your domain (p=quarantine or p=reject). BIMI is ignored without it.

  2. Your logo as a square SVG in the specific format BIMI requires (SVG Tiny “Portable/Secure”). A designer or an online BIMI converter can produce this.

  3. A web address that hosts that SVG, then a DNS record pointing to it:

    default._bimi.yourdomain.com   TXT   v=BIMI1; l=https://yourdomain.com/logo.svg;

Once it’s published, check it with a free BIMI or DMARC inspector (for example, the tools at bimigroup.org) to confirm it’s live.

If you use JustBook’s default sender

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If you send from JustBook’s managed address (noreply@justbookapp.com) rather than your own mailbox, your brand still shows inside every email — but the sender picture in the inbox is JustBook’s, not yours. That’s expected: the picture is tied to the sending address, and the default address is shared. To get your own picture in the inbox, send from your own mailbox.

Which should I choose?

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  • On your own mailbox already? Set your provider’s profile picture — nothing else to do.
  • Want it to work everywhere, fast? Add a Gravatar too.
  • Want a verified, consistent logo across inboxes? Set up BIMI, ideally with help from whoever manages your domain.
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