Warmup Inbox does allow SendGrid. Before connecting you need to

  1. Sign up for a SendGrid account

  2. Create and store a SendGrid API key with full access "Mail Send" permissions.

  3. Verify your Sender Identity

Once complete, here are the SMTP settings you should do.

Email Provider: Other

SMTP Settings:

  • SMTP Username: apikey

  • SMTP Password: {{your SendGrid api key}}

  • SMTP Host: smtp.sendgrid.net

  • SMTP Port: 465




Under our SMTP only plan, you can directly connect an SMTP only inbox to the platform without the need for IMAP credentials under our Add Inbox page. Please write into support for additional details

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