SMTP Authentication testing

Test the mail server is enabled with SMTP Auth. or not :

echo -n "user@abc.com" |openssl base64
perl -MMIME::Base64 -e 'print encode_base64("user\@abc.com");'
dXNlcm5hbWU=

echo -n "password" |openssl base64
perl -MMIME::Base64 -e 'print encode_base64("password");'
cGFzc3dvcmQ=

telnet smtp.serverip.com 25
220 smtp.server ESMTP ready
helo localhost
250 smtp.server
auth login
334 VXNlcm5hbWU6
dXNlcm5hbWU=
334 UGFzc3dvcmQ6
cGFzc3dvcmQ=
235 2.0.0 OK
mail from: user@abc.com
250 2.1.0 Ok
rcpt to: other@xyz.com
250 2.1.5 Ok
DATA
354 End data with
subject: hello
asdfg
.
250 2.0.0 Ok: queued as 2426841502

Test the mail account login with SMTP Auth.