SMTP Email Delivery Service
Available Actions
Details
SMTP Mailer is a streamlined email sending service designed for AI agents and automation workflows to deliver messages through any standard SMTP server. It accepts connection credentials via an intuitive URL format supporting both plain SMTP and encrypted SMTPS connections, making configuration straightforward without complex parameter handling. Recipients can be specified as a single address, an array, or a comma-separated string, with support for CC and BCC fields for flexible distribution. The tool sends both plain text and HTML formatted emails, enabling rich content delivery including formatted newsletters, styled notifications, and branded communications. File attachments are supported through base64-encoded content with configurable MIME types for documents, images, and other media. Email priority levels allow marking messages as low, normal, or high importance for recipient mail client handling. The sender address can be explicitly set or automatically derived from the SMTP username, simplifying configuration for common use cases. This tool is optimized specifically for email delivery. For workflows requiring additional protocols such as FTP file transfers, SSH command execution, or MQTT messaging alongside email, use the Protocol Bridge tool which provides a unified interface across multiple network protocols.
Use Cases
SMTP email sending, automated email delivery, transactional email, notification email, alert email sending, AI agent email, LLM email integration, workflow email automation, HTML email sending, rich text email, formatted email delivery, email with attachments, document email delivery, PDF email attachment, image email attachment, bulk email sending, multiple recipient email, CC BCC email, email priority setting, high priority email, Gmail SMTP integration, Outlook SMTP sending, Office 365 email automation, SendGrid SMTP, Mailgun SMTP, custom SMTP server, secure email SMTPS, TLS encrypted email, email newsletter delivery, welcome email automation, password reset email, order confirmation email, shipping notification email, appointment reminder email, invoice email delivery, report email automation, scheduled email sending, webhook email trigger, chatbot email sending, customer notification, support ticket email, status update email, error alert email, monitoring notification email, email marketing automation, drip campaign email
Workflows Using This Tool
Parameters
actionstringUse 'get_instructions' to retrieve documentation. Action to perform: send
smtp_urlstringSMTP server URL containing host, port, and credentials. The URL scheme determines security: • smtp:// - STARTTLS on port 587 (recommended) • smtps:// - SSL/TLS on port 465 Format: smtp://username:password@hostname:port Examples: • Gmail: smtp://your.email@gmail.com:app-password@smtp.gmail.com:587 • Outlook: smtp://your.email@outlook.com:password@smtp-mail.outlook.com:587 • Custom: smtp://user:pass@mail.example.com:587 Note: Gmail requires App Password (not regular password). Generate at: https://myaccount.google.com/apppasswords
toarrayRecipient email address(es). Required field. Can be: • Array of strings: ["user1@example.com", "user2@example.com"] • Single string: "user@example.com" • Comma-separated: "user1@example.com,user2@example.com" At least one recipient is required.
About The Developer
Apoth3osis
Joined Agent Payment: August 14, 2025
We build tools that enable AI agents to excel in the mathematical realm.
Our small team develops experimental and unique solutions in the AI arena, with a strong focus on modular computing for agentic applications and custom model deployment. We have handled projects for a variety of applications across many sectors, from algorithmic trading and financial analysis, to molecular simulations and predictions, to habitat and biodiversity monitoring and wildlife conservation.