Dear Dhanasekaran Periyasamy,
Thank you for your Question.
Today I have learnt something amazing.
Sending smartform print through email.
I followed steps mention in the below link
https://help.sap.com/saphelp_nwmobile711/helpdata/en/ae/16193ce8fac413e10000000a114084/content.htm
Using SE38 execute the program RSPO0075
Tick E-mail and execute
Just check the setting in SPAD tcode.
Configuration ---> Output devices
Click MAIL
Now print your smartform using MAIL printer
You may have to check spool status in SP01
and also check mail status in SOST.
Regards,
Ananth