SBSachin Bapureinmailvalid.hashnode.dev·1d ago · 12 min readGmail & Yahoo Sender Requirements 2026: The Complete Compliance ChecklistIn 2024, Google and Yahoo jointly upended commercial email by introducing mandatory technical requirements for high-volume senders. By 2026, those mandates have moved past their initial grace periods 00
SBSachin Bapureinmailvalid.hashnode.dev·Aug 14 · 6 min readWhat MCP Actually Changes for Email Verification (and Any Agent Tool)Disclosure: I work on MailValid, an email verification API. This post explains MCP in general. I use our own MCP server as the example. The tradeoffs apply to any tool provider, not just email verific00