creds = Credentials(
username="domain_name\username",
password="password")

config = Configuration(server='mail.solutec.fr', credentials=creds)

account = Account(
primary_smtp_address="surname.name@lab-solutec.fr",
autodiscover=False,
config = config,
access_type=DELEGATE)

SSLError: HTTPSConnectionPool(host='mail.solutec.fr', port=443): Max retries exceeded with url: /EWS/Exchange.asmx (Caused by SSLError(SSLError("bad handshake: Error([('SSL routines', 'ssl3_get_server_certificate', 'certificate verify failed')],)",),))

from exchangelib.protocol import BaseProtocol, NoVerifyHTTPAdapter
BaseProtocol.HTTP_ADAPTER_CLS = NoVerifyHTTPAdapter