SMTP
Customer.io with SMTP
Learn how to integrate Customer.io with Resend SMTP.
Prerequisites
To get the most out of this guide, you’ll need to:
1. Get the Resend SMTP credentials
When configuring your SMTP integration, you’ll need to use the following credentials:
- Host:
smtp.resend.com
- Port:
465
- Username:
resend
- Password:
YOUR_API_KEY
2. Integrate with Customer.io SMTP
After logging into your Customer.io account, you’ll need to enable the SMTP integration.
- Go to Settings > Workspace Settings.
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- Go to the Messaging tab and select Email.
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- Select the Custom SMTP tab and click Add Custom SMTP Server.
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- Select Other SMTP and click Continue to set up.
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- Copy-and-paste the SMTP credentials from Resend to Customer.io.
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