Send emails via any SMTP server: SendGrid, Amazon SES, Mailgun, Postmark, Office 365, and self-hosted mail servers.
Overview
The SMTP integration on StackAI is a generic email-sending node compatible with any SMTP server (Postmark, SendGrid, AWS SES, self-hosted relays). Use it when you need to send transactional or templated email from a workflow without relying on Gmail or Outlook.
Top Use Cases
Transactional AI notifications
Send AI-generated alerts and digests from StackAI workflows using your own SMTP infrastructure.
System and ops alerting
Use SMTP on StackAI to email on-call teams when AI agents detect anomalies.
Customer-facing templated emails
Send formatted AI-drafted customer emails through your branded SMTP relay.
