Rebex SMTP

Effortlessly send and receive emails with a comprehensive and secure .NET library.

Published by Rebex
Distributed by ComponentSource since 2003

Prices from: US$ 195.02 Version: 7.0.9561 NEW Updated: Mar 5, 2026

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Rebex SMTP

Rebex SMTP is a .NET library that simplifies the process of sending emails. With its intuitive API, you can quickly and easily dispatch emails using SMTP servers. Whether you're sending a simple message or a complex email with multiple recipients, attachments, and advanced features, Rebex SMTP has you covered. Its support for TLS 1.3/1.2 and S/MIME ensures that your emails are transmitted securely and reliably, making it an ideal choice for applications that require robust email functionality.

Rebex SMTP

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Rebex SMTP Features

  • Easy-to-use API
    • Send email using SMTP.
  • Connecting
    • Connect to servers using SMTP protocol.
    • Connect to servers using explicit or implicit TLS/SSL.
    • Switch to encrypted communication.
    • Set connection options.
    • Get info about the connection.
    • Get info about TLS/SSL connection.
  • Authentication modes
    • Username and password.
    • CRAM-MD5 authentication.
    • DIGEST-MD5 authentication.
    • OAuth 2.0 authentication.
    • Client certificate authentication.
    • GSSAPI.
    • Single sign-on.
    • Kerberos authentication.
    • NTLM...
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Latest News

Enable Secure Communication in .NET 10 Apps
Enable Secure Communication in .NET 10 Apps
November 18, 2025Publisher Update
Rebex products now include binaries for .NET 10, expanding compatibility across modern desktop, mobile, and server environments.
Lock in Current Rebex Pricing Before May 1st, 2025
Lock in Current Rebex Pricing Before May 1st, 2025
February 5, 2025Publisher Update
Rebex has announced an upcoming price change - purchase now to secure current rates before the new pricing takes effect on May 1st, 2025.
Add Advanced Comms Features to Your .NET 9 Apps
Add Advanced Comms Features to Your .NET 9 Apps
November 18, 2024Product Update
Rebex 7.0.9083 releases add .NET 9 support, delivering advanced security and communications capabilities optimized for the latest .NET release.
Simplify the Process of Sending Emails with SMTP
Simplify the Process of Sending Emails with SMTP
October 25, 2024Product Update
Rebex SMTP introduces email sending with secure transmission, multiple recipients, and advanced attachment handling, all through an intuitive API.

Prices from: US$ 195.02

A Developer License is licensed on per-developer basis. You have to obtain a valid license for each person who writes code which directly uses the component. Run-time Royalty free. Support Contract: A...
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Component Type
  • .NET 10/9/8
  • .NET Framework 3.5 SP1, 4.0-4.8.1
  • .NET Core 3.1
  • Mono 6.0 or higher
  • Xamarin.iOS 13.10 or later
  • Xamarin.Android 10.1 or later
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