MailCub is an all-in-one email service provider designed for modern applications and businesses. It enables you to send transactional emails, host professional business emails, or run a dedicated custom email server with full control.
MailCub Services at a Glance
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Transactional Email Service – Send OTPs, password resets, and notifications via API or SMTP
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Email Hosting – Secure business email hosting with custom domains
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Custom Email Server – Dedicated email infrastructure for high-volume or compliance needs
Common Use Cases
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SaaS application email delivery
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OTP and authentication emails
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Business communication with custom domains
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High-volume and enterprise email sending
Architecture Overview
MailCub uses authenticated SMTP and REST APIs combined with DNS-based email authentication (SPF, DKIM, DMARC) to ensure maximum inbox placement and security.