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Product updates, practical guides, and the latest trends in AI and email from the Mermail team.
Hard bounce, soft bounce or complaint? How an AI agent should react to each, why it must never guess addresses, and how to wire bounce events into your agent with webhooks.
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Gmail MCP, Resend, Postmark, Mailgun and Mermail all call themselves email MCP servers, but they act in different mailboxes with different brakes. Six questions and a side-by-side comparison.
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OpenAI dots keep working while you are away, so their email should live in a mailbox you can scope and switch off. How to connect a Mermail inbox to a dot and write Custom Rules for every email action.
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A catch-all looks free until agents reply, sign up and act on mail. Here is what it really costs, when it still fits, and how to move to one mailbox per agent in stages.
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Give every service your AI agent signs up for its own verification mailbox, wait for the email with a fixed budget, and stop for approval before a link or code is used.
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Spam filters rarely care about a single word. They care about who you are, how you behave and whether people want your mail. Here is what that means for AI agents.
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