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E-mail: "Delivery has failed to the following recipient"
E-mail: "Delivery has failed to the following recipient"

First aid when your e-mail from ABOSS doesn't reach the recipient.

Geertje avatar
Written by Geertje
Updated over 2 months ago

Troubleshooting: "Delivery Has Failed" When Sending Emails via ABOSS

Sending contracts, invoices, or guest lists through ABOSS is simple and efficient. However, if you encounter the error message "Delivery has failed" after sending an email, there are several potential causes. Let's walk through the possible solutions to resolve the issue.


Table of Contents

  1. Incorrect Email Address

  2. Domain Verification and DNS Settings

  3. Recipient's Spam Filter

  4. Other Solutions


1. Incorrect Email Address

The first step is to double-check the email address. A common cause for email delivery failure is simply a typo or incorrect email format.

  • Make sure the email address is spelled correctly and formatted properly.

If you're certain the address is correct, move on to the next solutions.

2. Domain Verification and DNS Settings

If you're using your own domain to send emails via ABOSS, it's important that your DNS settings are properly configured.

  • Default Settings: By default, emails are sent from no-reply@a-boss.net. If you haven’t set up your own domain, this is the address your recipients will see.

  • Setting Up Your Domain: If you want to send emails from your own domain, you’ll need to complete the domain verification process. Follow this guide on setting up domain verification.

  • Multiple Domains: Keep in mind that DNS settings only apply to the domain you've verified. If you're trying to send emails from multiple domains (e.g., @domain1.com and @domain2.com), each domain must be verified separately.

If your domain is verified but you're still experiencing issues, double-check your DNS settings. You may need to consult with an IT specialist to ensure everything is configured correctly.

3. Recipient's Spam Filter

Sometimes, email delivery fails because the recipient's spam filter blocks the email.

  • Ask the recipient to check their spam or junk folder.

  • If you're able to send emails to other recipients, but one specific recipient keeps bouncing the email, ask them to consult their IT specialist to review their spam filter settings. It may be too restrictive.

4. Other Solutions

If none of the above solutions work, you can contact ABOSS Support:

  • Reach out via Support Chat.

  • Alternatively, forward the email error to support@a-boss.net for further assistance.


By following these steps, you should be able to resolve the "Delivery has failed" error. For more help, feel free to contact us directly.

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