title: Jenkins Email notification sent successfully but not delivered
body: <p>Below is the log and its working fine when i ask Jenkins to send it to individuals but the same is not working fine when i ask Jenkins to send it to a distribution list.</p>
  
  <p><code>04:22:08 Email was triggered for: Always
  04:22:08 Sending email for trigger: Always
  04:22:08 Request made to compress build log
  04:22:08 Sending email to: XXXXXX.XXX@XXXX.com
  04:22:08 Finished: UNSTABLE</code></p>
  
  <p>any help?</p>