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Allowlist the Email Notification Server

Eptura Knowledge Center

Allowlist the Email Notification Server

Depending on security settings at your facility, it may be necessary to allowlist the IP addresses assigned to the iOFFICE email server to receive notification emails from the application. iOFFICE handles all SMTP traffic using our SMTP servers. IP addresses can be provided for allowlisting, however we follow SPF and DKIM typically preventing this step being needed. Refer to the following list to determine what should be allowlisted to receive iOFFICE email notifications.

  1. From Address:
  2. Hostname:
  3. Address 1:
  4. Sendgrid IP:

Once you allowlist the name and IP addresses for the email notification server, email notifications should be successfully received by your users. If you have any questions, please call 713-526-1029 or send an email to

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