Python smtplibでメール送信

import smtplib
from email.mime.text import MIMEText
 
smtp_setting = {
    'host': 'xxxxx.xserver.jp',
    'port': 465,
    'account': 'sample@dattesar.com',
    'password': 'dattesar_pass'
}
 
email_content = {
    'To': 'test@dattesar.com',
    'From': 'sample@dattesar.com',
    'Subject': 'テストメール',
    'Text': 'このメールはPythonで送信しています。'
}
 
msg = MIMEText(email_content['Text'], 'plain', 'utf-8')
msg['Subject'] = email_content['Subject']
msg['From'] = email_content['From']
msg['To'] = email_content['To']
 
with smtplib.SMTP_SSL(smtp_setting['host'], smtp_setting['port'], timeout=10) as smtp:
    smtp.login(smtp_setting['account'], smtp_setting['password'])
    smtp.send_message(msg)
    smtp.quit()