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To avoid email delivery issues, it is important that your domain is configured correctly to authorize email delivery from our servers. Emails containing the voucher and purchase receipt are sent by incert, but ideally your address is displayed as the sender for the customer. Without the correct settings for your domain, this may cause emails to be rejected by the recipient.

A common reason for delivery issues is the absence of a DKIM (DomainKeys Identified Mail) record in your domain’s DNS settings. DKIM creates a cryptographic signature for outgoing emails using a private key on our server. The public key is published as a DNS TXT record so that recipients can verify the signature and confirm both the integrity of the email (no changes during transmission) and the authenticity of the sender. Without this record, emails sent from our servers may be classified as unauthorized by the recipient and therefore blocked or moved to the spam folder.

What needs to be done?

To ensure smooth delivery of our emails, please contact the person or team responsible for managing your domain. A DKIM record must be added to your domain’s DNS settings. We will provide you with the required DKIM data (selector & public key) – please contact our support team for this.

If the sender email address is rezeption@mein-hotel.at, the record must be set for the domain mein-hotel.at, even if the online shop of the voucher system is available, for example, at gutscheine.mein-hotel.at.

Here is an example of what the record could look like. (replace incert._domainkey with the selector provided by us and the public key):

incert._domainkey.mein-hotel.at. 3600 IN TXT "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD...(full public key)"

If other services are already entered, the record can be added by separating multiple TXT values with ;; or by extending the existing record. After adding the record, DKIM sending must still be activated by our support team and can then be tested by you using tools such as mxtoolbox.com.