The Simple Mail Transfer Protocol (SMTP) is used for email transmission. HCC’s SMTP client module comprises a single task that handles communication with an SMTP server. It can handle multiple connections simultaneously and the number of simultaneous connections is configurable.

The SMTP client module is part of HCC’s MISRA-compliant TCP/IP stack, as shown in the Networking Overview diagram, and is designed specifically for use with it.

Extended Simple Mail Transfer Protocol (ESMTP) is available as a product bundle consisting of SMTP and TLS.

  • Conforms to the HCC Advanced Embedded Framework.
  • Complies with HCC’s MISRA-compliant TCP/IP stack.
  • Designed for integration with both RTOS and non-RTOS based systems.
  • SMTP implementation complies with RFC 3461RFC 2920, and RFC 1870.
  • Test suite.
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