# Blog Updates, guides, and ideas from the Robotomail team. ## [Email Claude Code](https://robotomail.com/blog/email-claude-code.md) Published: March 30, 2026 Give Claude Code a real email inbox. Install a channel plugin, configure a mailbox, and Claude can receive and reply to emails in your session. ## [Best Email for AI Agents in 2026](https://robotomail.com/blog/best-email-for-ai-agents.md) Published: March 28, 2026 An honest comparison of every option for giving your AI agent an email identity — consumer inboxes, transactional APIs, and purpose-built agent email platforms. ## [How to Give Your AI Agent an Email Address](https://robotomail.com/blog/give-agent-email.md) Published: March 21, 2026 Step-by-step tutorial: create a mailbox, send an email, receive via webhook, and reply to a thread. Code examples in curl, Python, and TypeScript. ## [Introducing Robotomail: Email Infrastructure Built for AI Agents](https://robotomail.com/blog/introducing-robotomail.md) Published: March 19, 2026 Why we built a purpose-built email API for AI agents, how it works, and what makes it different from Gmail, SendGrid, and self-hosted mail servers. ## [Handle Bounce Back Messages for AI Agents](https://robotomail.com/blog/bounce-back-messages.md) Published: April 26, 2026 Detect, parse, & handle bounce back messages for AI agents. This developer guide covers retry logic & suppression lists using Robotomail. ## [How to Delay Sending Email in Gmail: A 2026 Guide](https://robotomail.com/blog/how-to-delay-sending-email-in-gmail.md) Published: April 25, 2026 Learn how to delay sending email in Gmail using Undo Send and Schedule Send. This guide provides step-by-step instructions for web and mobile, plus tips. ## [How to Send Email with Attachments: An Agent-Native Guide](https://robotomail.com/blog/send-email-with-attachments.md) Published: April 24, 2026 Learn how to send email with attachments programmatically using Robotomail. Our guide covers secure uploads, REST API calls, and AI agent integrations. ## [How to Send Mail from C#: The Complete 2026 Guide](https://robotomail.com/blog/send-mail-from-c.md) Published: April 23, 2026 Learn how to send mail from C# using SmtpClient, MailKit, and the agent-native Robotomail API. This guide has code examples, tips, and troubleshooting for 2026. ## [Send Emails With Attachments: Robotomail API Guide](https://robotomail.com/blog/send-emails-with-attachments.md) Published: April 22, 2026 Send emails with attachments - Programmatically send emails with attachments via Robotomail API. This AI developer guide covers uploads, presigned URLs, and ## [Email Server Settings GoDaddy: a 2026 Dev Guide](https://robotomail.com/blog/email-server-settings-godaddy.md) Published: April 21, 2026 Find official email server settings godaddy (SMTP, IMAP, POP) and learn why they fail for AI agents. A developer's guide to DNS, limits, & alternatives. ## [What Is An API Key Used For: Essential Guide 2026](https://robotomail.com/blog/what-is-an-api-key-used-for.md) Published: April 20, 2026 What is an api key used for - Discover what is an API key used for, covering authentication, rate-limiting, and securing autonomous AI agent workflows in 2026. ## [Can Send Emails But Not Receive: A Dev's Guide](https://robotomail.com/blog/can-send-emails-but-not-receive.md) Published: April 19, 2026 Troubleshoot why you can send emails but not receive them in your AI agent. A developer's guide to fixing DNS/MX, webhooks, HMAC, and API-based email issues. ## [How to Generate API Key for AI Agents with Robotomail](https://robotomail.com/blog/generate-api-key.md) Published: April 18, 2026 Learn to generate API key for Robotomail via REST, CLI, and SDKs. This guide covers secure key generation, HMAC signing, rotation, and agent integration. ## [Multiple SPF Records: Prevent PermError](https://robotomail.com/blog/multiple-spf-records.md) Published: April 17, 2026 Multiple SPF records cause PermError & break email delivery. Merge records, stay under the 10-lookup limit, & verify your fix to ensure reliable email. ## [How to Avoid Email Going in Spam: Developer's Guide](https://robotomail.com/blog/how-to-avoid-email-going-in-spam.md) Published: April 16, 2026 Learn how to avoid email going in spam with this developer-focused guide. Covers authentication, reputation, & AI tactics to maximize deliverability. ## [Namecheap DNS Setup for AI Email: A 2026 Guide](https://robotomail.com/blog/namecheap-dns-setup.md) Published: April 15, 2026 Master your Namecheap DNS setup for AI agent email. This guide covers adding MX, SPF, DKIM, and DMARC records for platforms like Robotomail. ## [DNS for Email: Master Deliverability in 2026](https://robotomail.com/blog/dns-for-email.md) Published: April 14, 2026 Master DNS for email. Learn MX, SPF, DKIM, DMARC, BIMI, MTA-STS. Examples & troubleshooting for developers and AI agents. ## [Broadcast by Email: A Robotomail Dev Guide for AI Agents](https://robotomail.com/blog/broadcast-by-email.md) Published: April 13, 2026 Learn to broadcast by email with AI agents. This hands-on Robotomail guide covers API setup, rate limits, DKIM, and building reliable autonomous workflows. ## [Troubleshoot: The connection to the outgoing server failed](https://robotomail.com/blog/the-connection-to-the-outgoing-server-failed.md) Published: April 12, 2026 Facing 'the connection to the outgoing server failed' error? Our 2026 guide offers quick, expert solutions to get your services running smoothly. Fix it now! ## [Fixing No New Emails: A Robotomail Developer Guide](https://robotomail.com/blog/no-new-emails.md) Published: April 11, 2026 Struggling with the 'no new emails' error? This guide helps developers troubleshoot Robotomail webhooks, DNS, and authentication to fix email reception issues. ## [Fixing Mail Is Not Sending: A Developer's Guide](https://robotomail.com/blog/mail-is-not-sending.md) Published: April 10, 2026 Mail is not sending - Struggling because mail is not sending? This developer's guide for 2026 offers expert troubleshooting steps to quickly diagnose and resolv ## [How to Send Queued Email in AI Agents | Robotomail 2026](https://robotomail.com/blog/how-to-send-queued-email.md) Published: April 9, 2026 Learn how to send queued email reliably in AI agent workflows. Covers queue architecture, worker implementation, & advanced patterns with Robotomail in 2026. ## [Webhooks vs WebSockets: A Guide for AI Agent Developers](https://robotomail.com/blog/webhooks-vs-websockets.md) Published: April 8, 2026 Webhooks vs WebSockets: which is right for your AI agent? This guide compares latency, reliability, and scaling, with Robotomail patterns for developers. ## [Send an Email in Java: SMTP & Modern APIs](https://robotomail.com/blog/send-an-email-in-java.md) Published: April 7, 2026 Send an email in java - Learn how to send an email in Java with Jakarta Mail (SMTP) and modern APIs like Robotomail. Discover solutions for traditional and AI a ## [Mastering the Gmail API Python Client](https://robotomail.com/blog/gmail-api-python.md) Published: April 6, 2026 A complete guide to the Gmail API Python client. Learn auth, sending emails, handling attachments, and when to use agent-native alternatives for automation. ## [API for Email Guide for AI Developers](https://robotomail.com/blog/api-for-email.md) Published: April 5, 2026 Learn how an API for email unlocks autonomous workflows for AI agents. This guide covers features, implementation patterns, and agent-native solutions. ## [Master Your SPF Record for GoDaddy: Setup & Deliverability](https://robotomail.com/blog/spf-record-for-godaddy.md) Published: April 4, 2026 Set up, verify, and troubleshoot your SPF record for GoDaddy. This guide provides actionable steps for developers to ensure optimal email deliverability. ## [Fixing Domain Not Found Errors: A Complete Guide for 2026](https://robotomail.com/blog/domain-not-found.md) Published: April 3, 2026 Tired of 'domain not found' errors? This guide breaks down how to diagnose DNS issues, fix registrar settings, and ensure your domain works perfectly. ## [How to Avoid Spam in Gmail and Reclaim Your Inbox](https://robotomail.com/blog/how-to-avoid-spam-in-gmail.md) Published: April 2, 2026 Tired of junk? Learn how to avoid spam in Gmail with expert strategies for filters, blocking, and inbox management. Get a cleaner inbox today. ## [Why Your HTML Form Mailto Is Broken and How to Fix It](https://robotomail.com/blog/html-form-mailto.md) Published: April 1, 2026 Discover why your HTML form mailto fails and puts you at risk. Learn the modern, reliable API-based alternative for secure and effective form submissions. ## [A Developer’s Guide to Send Test Emails with Robotomail](https://robotomail.com/blog/send-test-emails.md) Published: March 31, 2026 Learn how to send test emails with Robotomail. This guide covers provisioning mailboxes, validating deliverability, and testing agent-native workflows. ## [A Developer's Guide to Open Tracking Email](https://robotomail.com/blog/open-tracking-email.md) Published: March 30, 2026 Learn how open tracking email works, why it's unreliable, and how to build resilient systems for AI agents. A complete guide for developers in 2026. ## [Your Robotomail API Quick Start to Autonomous Email](https://robotomail.com/blog/api-quick-start.md) Published: March 29, 2026 This API quick start guide shows you how to build autonomous email workflows for AI agents. Create accounts, send email, and handle inbound messages in minutes. ## [AI Agent Email: Build vs Buy vs Hack Together](https://robotomail.com/blog/build-vs-buy-agent-email.md) Published: March 27, 2026 Self-hosted mail server, Gmail API hacks, or a purpose-built service? A decision framework for choosing your agent's email infrastructure. ## [How to Receive Inbound Email via Webhook](https://robotomail.com/blog/receive-email-webhook.md) Published: March 26, 2026 Set up webhook-based inbound email for your AI agent. Register a webhook, verify signatures, parse messages, and reply in-thread. ## [How to Send Email from an AI Agent (Python + Node.js)](https://robotomail.com/blog/send-email-python-node.md) Published: March 25, 2026 Send email from your AI agent in under five minutes. Code examples in Python and Node.js for basic sends, HTML email, threading, and a complete agent loop. ## [Email for AI Agents: Why SMTP Doesn't Work](https://robotomail.com/blog/smtp-doesnt-work.md) Published: March 24, 2026 SMTP is a 40-year-old protocol designed for server-to-server relay. Here's why using it directly for AI agents is the wrong abstraction. ## [4 Ways to Get an Email Address for Your AI Agent](https://robotomail.com/blog/agent-email-address.md) Published: March 23, 2026 The four ways to give your agent an email identity: Gmail, forwarding aliases, transactional APIs, and agent-native platforms. Trade-offs for each. ## [Why Your AI Agent Needs a Real Inbox (Not Just Send)](https://robotomail.com/blog/why-agents-need-real-inbox.md) Published: March 22, 2026 Send-only email is a dead end for agents. Without inbound, your agent can't handle replies, thread conversations, or close the loop on any workflow. ## [Email Infrastructure for Multi-Agent Systems: Architecture Patterns](https://robotomail.com/blog/multi-agent-architecture.md) Published: March 22, 2026 How to architect email for systems with multiple agents. Mailbox-per-agent, shared domains, threading across agents, security patterns, and scaling. ## [Why Gmail and Outlook APIs Don't Work for AI Agents](https://robotomail.com/blog/gmail-outlook-dont-work.md) Published: March 20, 2026 OAuth consent flows, ToS prohibitions, per-seat pricing, and rate limits designed for humans. Here's why traditional email APIs are the wrong tool for agents.