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Email Service - Authenticated SMTP submission now available in beta

BetaUnverifiedAdded Sep 24, 2026

You can now send emails through Cloudflare Email Service using authenticated SMTP submission on smtp.mx.cloudflare.net:465 . SMTP joins the REST API and the Workers binding as a third way to send transactional email , useful for existing applications that already speak SMTP and language-native SMTP libraries (Nodemailer, smtplib , PHPMailer, JavaMail).

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