topic Re: error code OXSEU001_105 - https://postmaster-oxseu.vadesecure.com/inbound_error_codes/#_105 in Email

error code OXSEU001_105 - https://postmaster-oxseu.vadesecure.com/inbound_error_codes/#_105

strider57 — Wed, 11 Mar 2026 15:32:05 GMT

emails are being returned with the above error code

Re: error code OXSEU001_105 - https://postmaster-oxseu.vadesecure.com/inbound_error_codes/#_105

Thabile-TT — Wed, 11 Mar 2026 16:04:22 GMT

@strider57 thank you for reaching out. I apologize for the inconvenience caused by the email issue. I will need to review your account, so please be patient while I investigate this matter for you.

Re: error code OXSEU001_105 - https://postmaster-oxseu.vadesecure.com/inbound_error_codes/#_105

Thabile-TT — Wed, 11 Mar 2026 16:12:00 GMT

@strider57The error code OXSEU001_105 indicates that your sending address is listed on the Vade Threat Network List, which contains IP addresses involved in spam, malware, or phishing campaigns. To resolve this issue, you can fill out a request for remediation through the Vade Secure platform. Additionally, ensure that your sending address is not on a Validity Blocklist or Spamhaus Blocklist, as these lists also prevent email delivery. For further assistance, you may need to check your reverse DNS configuration and ensure that your server is not exceeding the concurrent connections limit.
Vade Secure