Why do some of my contacts appear as "blocked" or "not found" after sending invitations?

Why do some of my contacts appear as "blocked" or "not found" after sending invitations?

When sending invitations to answer a questionnaire via the Evalandgo platform, some contacts may be indicated as'Buckled'or'Not found'.
Understanding these statutes is essential to improve theDeliverabilityof your emails and guarantee a better response rate.

Different Events Related to Email Deliverability

Between the moment you click on"Send"and the possible arrival in the inbox of your contacts, several technical situations can occur:

  • Issued: the recipient's server has accepted the message.

  • Rejected: the recipient's server refused the message permanently (example: invalid address).

  • Blocked: the server declined the message temporarily or because of its contents, but the email address is not deleted from your sends.

  • Different: the recipient's server temporarily delays acceptance of the message.


How to view the status of your contacts

1. See you in the menu"My Contacts".
2. Filter your contacts by status'Blocked'
3.Click on the buttonBlockedto display the details of the problem encountered.
4. Depending on the error indicated, several actions may be necessary:
- reimport contact with the correct spelling;
- verify the authentication of your domain (SPF/DKIM/DMARC);
- contact our support (chat, phone, ticket) for support.


Possible reasons for blocking or failure to send


Permanent Rejection ("mouce")

The server indicates that the email address isinvalid or non-existent.
Frequent Causes:

  • Miss-spelled address;

  • Deleted email box;

  • domain non-existent.

Temporary blocking

The server refuses the message, but not for an address issue.
Frequent Causes:

  • your domain or IP is listed as suspicious;

  • the content of the message contains elements considered spam;

  • One-time technical incident between servers.

Best practices to improve email deliverability

  • Regularly clean up your contact listsDelete invalid or inactive addresses.

  • Take care of the subject and content of your emailsAvoid formulations that are too aggressive (e.g. "100% FREE", "URGENT").

  • Set up your SPF, DKIM and DMARC recordson your domain to strengthen the authenticity of your shipments.

  • Encourage your recipientsAdd your email address to their contact list.

Related articles


Need help troubleshooting a blocking issue?

Contact our support team via built-in chat, phone (04 67 17 96 77) or ticket.

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