title: Dont Send email for customers by email opencart 2.3.0.2 in admin
body: <p>i want to send email for customers email but show message successful but not send email for yahoo or gmail an other.
  my opencart is <code>2.3.0.2</code></p>
  
  <p><strong>Secure SSL/TLS Settings (Recommended)</strong></p>
  
  <pre><code>Username:   sales@Max10.com
  Password:   Use the email account’s password.
  Incoming Server:    23.host.com
  IMAP Port: 693 POP3 Port: 695
  Outgoing Server:    23.host.com
  SMTP Port: 512
  </code></pre>
  
  <p>IMAP, POP3, and SMTP require authentication.</p>
  
  <p><strong>Non-SSL Settings (NOT Recommended)</strong></p>
  
  <pre><code>Username:   sales@Max10.com
  Password:   Use the email account’s password.
  Incoming Server:    mail.Max10.com
  IMAP Port: 163 POP3 Port: 120
  Outgoing Server:    mail.Max10.com
  SMTP Port: 25
  </code></pre>
  
  <p>IMAP, POP3, and SMTP require authentication.</p>
  
  <p><strong>and setting email in admin:</strong></p>
  
  <p>Mail Tab</p>
  
  <pre><code>Mail Protocol
  SMTP
  
  Mail Parameters
  -fsales@Max10.com or sales@Max10.com
  
  SMTP Host 
  mail.Max10.com
  
  SMTP Username 
  sales@Max10.com
  
  SMTP Password 
  mypass
  
  SMTP Port 
  25
  
  SMTP Timeout 
  5
  
  New Order Alert Mail
  yes
  New Account Alert Mail
  yes
  Additional Alert E-Mails
  null
  </code></pre>