$ sendmail anthony.hook3@gmail.com
password for anthony.hook3k@gmail.com at smtp.gmail.com:
sendmail: authentication failed (method PLAIN)
sendmail: server message: 535-5.7.1 Username and Password not accepted. Learn more at
sendmail: server message: 535 5.7.1 http://mail.google.com/support/bin/answer.py?answer=14257 g4sm1020561ick.23
sendmail: could not send mail (account default from /etc/msmtprc)