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##

# TCPIP_SMTP_UsageEnd Function

## C

    uint16_t TCPIP_SMTP_UsageEnd();

## Description

Call this function to release control of the SMTP client module once an application is finished using it. This function releases the lock obtained by TCPIP_SMTP_UsageBegin(), and frees the SMTP client to be used by another application.

## Preconditions

TCPIP_SMTP_UsageBegin() returned true on a previous call.

## Returns

None.

## Remarks

None.