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Prerequisites

To get the most out of this guide, you’ll need to:

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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

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2. Integrate with Liferay

After logging into your Liferay instance as the admin user, you’ll need to enable the SMTP integration.
  1. Navigate to Control Panel → Server Administration → Mail.
Liferay - SMTP
  1. Copy-and-paste the SMTP credentials from Resend to Liferay.
  • Outgoing SMTP Server: smtp.resend.com
  • Outgoing Port: 465
  • Enable StartTLS: True
  • User Name: resend
  • Password: YOUR_API_KEY
Make sure to replace YOUR_API_KEY with an existing key or create a new API Key. For the additional JavaMail properties, you can use: 
mail.smtp.auth=true
mail.smtp.starttls.enable=true
mail.smtp.starttls.required=true