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Not Receiving Inbound Email from a Sender or Domain

Product: ModusCloud

 

Situation:

If modusCloud users are unable to receive email from certain email addresses, it is most likely an issue with the sending mail server. However there are a few possible areas where this may be a configuration issue on the modusCloud platform: 

 

      1- There maybe a rule in the "Filters" section quarantining emails from that address or domain.

        To view Company filters:

  • Login to the modusCloud user interface.
  • Type the customer name into the search bar (Top Header)
  • Click on Company Settings.
  • Click on Filters tab.

 

      2- There is a 3rd party MX record pushing some emails towards another mail server.

      3- The sending server IPs may be blacklisted. We mainly utilize modusCloud RBL service for connection level validation, but also take in other feeds along with RBL. You can verify if an IP is                   being blocked by RBL here: www.emailsecuritygrader.com.

 

If further assistance is required, please contact support with as much details as possible:

  • Non Delivery Report (NDR).
  • Sending Server IP address.
  • Senders's email address.
  • Time and date the email was sent.
  • Also note that if an email is bounced the bounce error will also provide details as to why it was bounced which may help identify the cause.

Modified 12/6/2018
Keywords: inbound mail not recieving
Article ID: 1968