In this article, we will explain how to manually subscribe or blacklist a contact from your emails and SMS.

While you can manually subscribe or blacklist contacts, please note that Sendinblue will automatically blacklist contacts in the following cases:

For emails:
- They have unsubscribed from your emails by using your unsubscription form.
- They have marked your emails as spam.
- An email to the contact resulted in a hard bounce.
For SMS:
- They have unsubscribed from your SMS by using your unsubscription form.
- They have unsubscribed from your SMS by replying to your SMS campaign.

You can also import a list of contacts to add to your blacklist.

Good to know

To learn what a blacklisted contact is, read 🎥 What is a blacklisted contact?.
In Contacts, all your blacklisted contacts appear in red with a icon on the left of their email address.

Manually subscribe or blacklist a specific contact

Go to Contacts or to CRM > CRM Contacts and click the email address of a contact to open their details page. Then, manually subscribe or blacklist a contact:

For email campaigns
For SMS campaigns

For transactional emails
For transactional SMS

For email campaigns

At the top of the contact details page, click Email campaigns:

Select Subscribed to subscribe the contact to all of your email campaigns.
Select Blacklisted to blacklist the contact from all of your email campaigns.

For SMS campaigns

At the top of the contact details page, click SMS campaigns:

- Select Subscribed to subscribe your contact to your SMS campaigns.
- Select Blacklisted to blacklist your contact from your SMS campaigns.

For transactional emails

At the top of the contact details page, click Transactional emails:

Select Approve all senders to approve the sending of transactional emails to the contact (from any of your senders).
Select Block all senders to block the sending of transactional emails to the contact (from any of your senders).
Toggle the button next to a specific sender to:
- Green button: approve the sending of transactional emails to the contact from this specific sender, or
- Grey button: block the sending of transactional emails to the contact from this specific sender.

For transactional SMS

At the top of the contact details page, click Transactional SMS:

- Select Approved to approve the sending of transactional SMS to the contact.
- Select Blocked to block the sending of transactional SMS to the contact.

Manually blacklist several contacts

❗️ Important
By following this procedure, your contacts will only be blacklisted from your email campaigns. To blacklist a contact from your SMS campaigns, transactional emails, and transactional SMS, see Manually subscribe or blacklist a specific contact.

To manually blacklist several contacts from your email campaigns:

Go to Contacts.
Check the box next to the contacts you want to blacklist.
Click Action.
Select Add to Blacklist.
Type BLACKLIST to confirm.
Click Yes, I want to blacklist these contacts.

⏩ What's next?

🤔 Have a question?

If you have a question, feel free to contact our support team by creating a ticket from your account. If you don't have an account yet, you can contact us here.