Some or all email sent via Communications Center was not received. 

Spam filters are the most common cause of undelivered email.  If the email was not received, first check to make sure it was not filtered as spam and delivered to junk, bulk or spam folder.

Whether using scheduled or immediate delivery, all email messages sent via the Communications Center is delivered to the mail queue.  Check the status of the mail queue to determine whether or not the message has been sent to all email addresses in the address list.  Typically messages are delivered within a few minutes.  However, it is possible for message delivery to take up to four hours.

To check the mail queue:

1. Log onto Doubleknot.
2. Click Communications Center link in the Feature List. 
   If there is email in the queue, a link titled A Message Schedule for Delivery is displayed along with the number of unsent messages in the queue in the Edit column. 
3. Click the link to view the queue. 
   

If the email message does not appear in the mail queue, it has been sent to all email addresses in the list.  If the email is not delivered, it could be because the recipient's email address is incorrect, the recipient's mail server is not accepting mail, or the message was delivered but is blocked by spam or junk mail software.

To check for returned messages:

1. Log onto Doubleknot.
2. Click the Communications Center link in the Feature List.
3. Click the Return Messages link in the Analyze column to view a list of recipients who's mail was returned as undeliverable.
4. Check this list to see if the email was returned.
   Note that not all undeliverable email is returned and sometimes it can take days to receive returned mail.

Spam or junk mail filters are the most likely cause for the non-receipt of email messages.  This can be due to any one of the following reasons:

• Rejection or deletion of all messages unless the sender is on the recipient's accept all email list.  This is also called whitelisted.  In this case the recipient would have to specifically allow mail to be accepted by email originating from the domain doubleknot.com and/or the senders reply-to address.
• Rejection or deletion of all messages because the sender is on a do-not-receive list.  This is also called blacklisted.  In this case the recipient would have to remove the sender's domain and/or reply to the address from the blacklist.
• Delivery of a email to a spam/junk/bulk mail folder or possible automatic deletion because the email address had spam email characteristics. 

See the knowledge base article titled "My email message was flagged as spam" for further information.