I am working with AWS MWAA (Apache Airflow). I want to send an email in MWAA upon completion of my pipeline.I have set the following configuration

Now when I run my dag using an Email Operator, it gives me an error.
File "/usr/lib64/python3.7/socket.py", line 707, in create_connection
for res in getaddrinfo(host, port, 0, SOCK_STREAM):
File "/usr/lib64/python3.7/socket.py", line 752, in getaddrinfo
for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno -2] Name or service not known
[2022-05-19, 11:11:21 UTC] {{local_task_job.py:154}} INFO - Task exited with return code 1
[2022-05-19, 11:11:21 UTC] {{local_task_job.py:264}} INFO - 0 downstream tasks scheduled from follow-on schedule check
Then I changed my configuration to

It now gives the following error
File "/usr/lib64/python3.7/smtplib.py", line 642, in auth
raise SMTPAuthenticationError(code, resp)
smtplib.SMTPAuthenticationError: (530, b'Must issue a STARTTLS command first')
[2022-05-19, 12:22:39 UTC] {{local_task_job.py:154}} INFO - Task exited with return code 1
[2022-05-19, 12:22:39 UTC] {{local_task_job.py:264}} INFO - 0 downstream tasks scheduled from follow-on schedule check
Can you please tell me where I am doing wrong or how should I configure this to send an email to a particular email address from any domain?