title: How many emails can I send in a hour?
body: <p>I am using my own email client as I can send the email by using my own SMTP.</p>
  <p>I am using Exim software to reply to my clients who send me an email and I am using postfix software to send emails to my clients for email marketing.</p>
  <p>My questions is how many emails can I send hourly to Gmail, Yahoo, AOL, GMX, Hotmail, MSN, and Outlook??</p>
  <p>When I Google it, it didn't say anything on google.</p>
  <p>Any advice would be much appreciated.</p>