Email Address Deliverability and Validation

Email deliverability allows users to enter an email address to view messages sent to that address along with a log of email-related activity and suppression list information. Email deliverability refers to the rate at which messages are successfully delivered to recipients’ inboxes.

Email Deliverability

To check on an email address' deliverability:

  1. Click Database in the top navigation bar and select Email Deliverability.
  2. Enter an email address.
  3. Click Validate.

  Can an email address be entered that does not exist in the database?

Yes! Email Deliverability allows users to view email-related activity and suppression list information for both internal and external emails.

Validation Information

Recent Activity (Past Week)

Recent Activity provides users with a snapshot of email-related activity. Detailed information for each message sent from Slate will also be available for review.

  • Timestamp - A digital record of the time of occurrence of a particular event.
  • Event - When an email is sent and a recipient takes an action on that message (i.e., opens the email), an event is captured and made available for display here. There are nine separate email events that can be captured and displayed:
    1. Processed
    2. Dropped
    3. Deferred
    4. Bounce
    5. Delivered
    6. Open
    7. Click
    8. Spam Report
    9. Unsubscribe
  • Detail - For each email that is sent from Slate, a Simple Mail Transfer Protocol (SMTP) response will be returned.
  • Category - Mailings are defined as either transactional or bulk. A transactional email is triggered by an action (i.e., event registration), while bulk emails tend to be used for campaigns or marketing email for which there are multiple recipients (i.e., Have you heard about…?).
  • Display - Allows users to display message information specific to the email event.
Code Description
200 Responses are often success responses.
400 Responses are often deferrals. Slate will continue to retry resending '400' messages for up to 72 hours.
500 Responses are hard failures that are not re-tried.

Important!

Email Deliverability will only return email-related activity for that email address from the last seven days. Additionally, messages sent to an email address as an Admin Notify message (i.e. for a form submission) will not display in this view.

Suppression Lists

A suppression is an email that fails to deliver or has been purposefully prevented from being delivered. An email will be added to a suppression list as a means to protect sender reputation.

There are a variety of reasons for which an email may be suppressed. For example, if either the email address is incorrect or does not exist, a message may be refused. The email address will then be included on a suppression list.

  • Timestamp - A digital record of the time of occurrence of a particular event.
  • Type - Common types of suppressions are blocks, bounces, invalid emails, and spam reports.
  • Status - Refers to the specific response code returned for each SMTP call.
  • Reason - A brief explanation as to why the email address was suppressed as it relates to the response code.
  • Remove - Click remove in order to remove a record from the suppression list. Users will be prompted by Slate to confirm that an email address should be removed from the suppression list.

 Will my message be resent automatically?

No! To resend a message, first remove the email from the suppression list. Once the email address has been removed from the suppression list, the email can then be recreated and/or resent.

Important!

Unlike email-related activity, Email Deliverability will return all suppression list information as it relates to a specific email address, irrespective of the digital timestamp.

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