SMTPMaster is a cloud-based SMTP relay service for developers, facilitating the integration and sending of transactional and promotional emails.

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For developers, marketers, and businesses that need to send customer emails without running their own mail servers, SMTPMaster provides SMTP relay and email API connections for websites, apps, and other sending tools. It supports transactional messages such as password resets, one-time codes, receipts, and order updates, as well as promotional campaigns and newsletters. ([smtpmaster.com](https://smtpmaster.com/smtp-service/)) The web dashboard includes tools to manage contact lists and segments, create or upload email templates, schedule campaigns and autoresponders, and track opens, clicks, and bounces. Suppression lists and bounce management help manage mailing lists, while sending-domain authentication options support delivery setup. SMTPMaster may suit teams looking to handle application notifications and bulk email campaigns through one service. ([smtpmaster.com](https://smtpmaster.com/email-sending-application/))

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