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Internal Whitelist


Browser / Server

When using antivirus software, firewalls, or mail spam filters, please set up a whitelist for the following domains:

  • onevcard.app
  • *.onevcard.app
  • onevcard.de
  • *.onevcard.de
  • onevcard.com
  • *.onevcard.com
  • ovcrd.de
  • *.ovcrd.de
  • sos-de-fra-1.exo.io
  • onevcard-prod.sos-de-fra-1.exoscale-cdn.com
  • account.onevcard.app

Mailing

We send emails from the following IP ranges. Please ensure these IP addresses are on your whitelist:

  • 185.189.236.0/22
  • 87.253.232.0/21
  • 185.211.120.0/22
  • 185.250.236.0/22

Return-Path Header:

  • *@bnc3.onevcard.de
  • *@bnc3.onevcard.app
  • *@bnc3.onevcard.com

Our Used Domains:

  • *@onevcard.de
  • *@onevcard.app
  • *@onevcard.com

Links / Graphics included in Emails point to:

  • r.onevcard.com/*
  • r.onevcard.de/*
  • r.onevcard.com/*

Example Spam Filter Configuration in MS Office 365

If you are using the default spam filter in MS Office 365, you can follow these steps to ensure that all emails are received.

  1. Click on https://security.microsoft.com/antispam and log in with your admin credentials.

  2. Select “Antispam Inbound Policy” and click “Edit Allowed and Blocked Senders and Domains”

Antispam Inbound Policy
  1. Add the domains onevcard.de, onevcard.app, and onevcard.com.
Domain 1 Domain 2
  1. Click “Finish.”
Finish