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                                          Generally, email invitations sent using SoGoSurvey are delivered almost instantly. However, if you are sending bulk email invitations (more than 1,000 invitations at once), it typically takes between 20 minutes to one hour for all recipients to receive the invitation. This delay is to comply with spam guidelines. We avoid sending too many emails to a particular domain in a given time period.

                                          Sometimes you may run into delivery issues, including email invitations not being delivered or landing in spam. To ensure efficient email delivery within your organization, you may whitelist SoGoSurvey. Provide the details listed below to your IT team and they should be able to implement the required changes on your end.

                                          Whitelisting helps participants receive invitations. Domain authentication is also strongly recommended to improve sender delivery.

                                          WHITELISTING SETTINGS

                                          To ensure that emails are delivered to the intended recipients without interruption, please whitelist the following:


                                          Mail Server IP Blocks:

                                          Web Servers:

                                          Hostname: www.sogosurvey.com

                                          EMAIL ADDRESSES

                                          Add your Sender email addresses into the Contact list of the Firewall and/or Web or Mail Client.

                                          OFFICE 365/OUTLOOK

                                          If you are using Microsoft Office 365 / Outlook for email delivery, you will need to complete a few extra steps in your Outlook Admin Panel.

                                          1. At the top of the screen of the Admin panel, select Settings and then Mail.
                                          2. Under Options, select ‘Block or allow’.
                                          3. If any of the IP addresses listed below appear on the blocked list, please delete/remove them.
                                          4. Add the following IP addresses to the ‘Safe Senders and Recipients’ list.

                                            Mail Server IP Blocks:

                                          If you have any additional questions, please contact our team at support1@sogosurvey.com.

                                          Learn more about best practices in email delivery.