socket connection error 10061

[1Boss]

i am using python smtplib mail server program ,it shows error connection refused target machine not connected 10061

source code

    import smtplib
    sobj=smtplib.SMTP("smtp.gmail.com")
    sender="abc@gmail.com"
    rec="xyz@gmail.com"
    msg=""hi"
    
    Subject: Test
   
    sobj.sendmail(sender,rec,msg)

[bvdet]

You may need to login. Your message has a syntax problem.

import smtplib
sobj=smtplib.SMTP("smtp.abc.com")
sobj.login("username", "password")
sender="abc@xyz.com"
rec="def@zyx.com"
msg="""From: abc@xyz.com
Subject: SMPT test
Text"""
sobj.sendmail(sender,rec,msg)
sobj.quit()