For smooth and uninterrupted email delivery, we ask that your Network and Security teams whitelist the following items:

IP Addresses - SMTP

  • 50.31.156.109

  • 34.192.253.140

  • 50.31.165.246

  • 18.216.134.80

  • 3.137.63.180

  • 50.31.57.233

  • 50.31.57.231

  • 50.31.57.230

  • 50.31.57.23

  • 50.31.32.95

  • 198.37.150.177

  • 167.89.43.239

  • 50.31.156.96/27 (50.31.156.96 - 127)

  • 104.245.209.192/26 (104.245.209.192 - 255)

Email Addresses

Domains

  • email.tangocard.com

  • rewardmail.tangocard.com

Safe URLs (If you parse for URLs inside of your email applications)

  • tangocard.com

  • rewardlink.io

  • rewardlink.tangocard.com

  • rl.tangocard.com

  • click.rewardlink.com

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