e-mail send error detection in Communication

[shinjiro_kashihara]

Currently the communication function in Chorus can Not detect an e-mail send error.
therefore, we can Not execute appropriate follow-on processes depending on the send status using the communication.

It seems Send mail function has this ability but Communication is much easier to use and we'd like to have the same ability in the communication, too.

We'd appreciate if you make an enhancement in the communication, soon.