When you send a tracked email from your email inbox using the HubSpot Sales Chrome extension, HubSpot Sales Office 365 add-in, or HubSpot Sales Outlook desktop add-in, or if you send a one-to-one email from a record, HubSpot will track email opens. If you're a user with an assigned Sales Hub paid seat, HubSpot will also track when the recipient clicks a link in the email.
When you send a tracked email, HubSpot embeds an invisible one-pixel image into the email message once it is sent. When your recipient views the email and the images load, you will receive a notification that the email has been opened.
If the recipient's email client doesn't allow the track pixel to load, HubSpot will not be able to track the email open. HubSpot tracking can be deactivated in the following situations:
- The recipient formats their email in plain text.
- The recipient's email client doesn't automatically download images.
- The recipient's corporate filter strips away all images for incoming emails.
If the recipient has a very strict spam filter where they block any images or link tracking from loading in emails, your tracked email could be filtered as spam. However, email tracking tools are common, and the majority of email clients will not view your email any differently than before.
If you don't want to track one-to-one emails, learn how to disable email tracking for all users in your account.
Please note: it's not possible to see whether a tracked email was forwarded to another recipient.