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Running an Engagement Campaign
Email Deliverability
Add engage email and domains to your allowlist to maximize delivery and completion
Add engage email and domains to your allowlist to maximize delivery and completion

Preventing survey invitations from getting caught by spam or content filters increases the chance employees see and take the survey

Leah Hahn avatar
Written by Leah Hahn
Updated over a week ago

Assessment Email Delivery

A critical step to ensuring assessment success is making sure that the assessment emails don’t end up in your employees’ spam folders. This can negatively impact your response rates and make you question the validity of the results. For those delivering surveys to corporate email addresses, please consult with your IT team to add the following sending addresses and partner domains to your allowlist:

If your email service requires IP-level allowlisting, here are the IP Addresses that the invitations will originate from:

Sending IPs

IP

Hostname

192.174.93.53

mta-93-53.sparkpostmail.com

192.174.93.52

mta-93-52.sparkpostmail.com

147.253.223.127

mta-223-127.sparkpostmail.com

147.253.223.126

mta-223-126.sparkpostmail.com

If you or your IT team need some help doing this, here are some reference articles, or contact your email vendor:

Survey Access

A crucial step to ensuring survey success is making sure that your employees can access the survey URL's. For those delivering surveys to employees who may be using computers that have internet access blocked, please consult with your IT team to add the following URL's(both http and https) to your allowlist:

If there are employees who have all internet traffic blocked, the following URL's will need to be allowlisted in addition to those listed above:

  • amazontrust.com/*

  • fonts.googleapis.com/*

  • *.ss2.us/*

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