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.
-
Click on https://security.microsoft.com/antispam and log in with your admin credentials.
-
Select “Antispam Inbound Policy” and click “Edit Allowed and Blocked Senders and Domains”
- Add the domains onevcard.de, onevcard.app, and onevcard.com.
- Click “Finish.”