Sender Policy Framework (SPF) Settings for Sending Emails Using 8x8 Contact Center Internal SMTP Server

Updated: 06/06/2024

Symptom

Emails are being blocked in 8x8 Contact Center.

Applies To

  • 8x8 Contact Center
  • SMTP Server
  • Sender Policy Framework (SPF)

Resolution

One of the following needs to be added the Sender Policy Framework (SPF) record of the domain of the email address you are sending emails from.
either
include:_vccnets.8x8.com
or
ip4:<datacentersubnet>
Data Center Site Cluster IPs
US West Coast (US1) NA1-6, NA11-16, NA-21 8.21.164.0/24
US East Coast (US2) NA7-10, NA17-20, NA27-30, NA37-40 8.28.3.0/24
Canada (SK1) CA1-2 142.165.219.0/24
Canada Ontario (ON1) BC1-3 50.100.15.0/24
United Kingdom (UK2) EU2-3 217.163.57.0/24
United Kingdom (UK3) EU4-14 109.70.58.0/24
Hong Kong (HK1) AP1 103.252.162.0/24
Australia (SY1) AU1 103.239.164.0/24

Cause

Failure to add the SPF record can result in emails being blocked and not being received by the recipients.

Additional Information