Summary
Cox Communications transitioned its email services to Yahoo Mail around October 1, 2023. This change required updating email authentication configurations to ensure deliverability to Cox.net recipients. Multiple sources confirm the transition and that Cox.net MX records are now managed by Yahoo, using specific Yahoo MX records.
Key findings
- MX Record Change Date: Cox.net MX records were updated around October 1, 2023.
- Transition to Yahoo: Cox Communications transitioned its email services to Yahoo Mail.
- Yahoo MX Records in Use: Cox.net now uses Yahoo's MX records (e.g., mx1.mail.yahoo.com, mx-eu.mail.am0.yahoodns.net).
Key considerations
- Authentication Updates: Senders must update their email authentication settings (SPF, DKIM, DMARC) to align with Yahoo's policies to maintain deliverability to Cox.net addresses.
- Deliverability Impact: Failure to update authentication configurations may negatively impact email deliverability to Cox.net recipients.
- User Awareness: Cox users should consult Cox's support page for details on how the transition affects them.
What email marketers say
4 marketer opinions
Cox Communications changed their MX records to point to Yahoo around October 1, 2023. This transition involved migrating Cox.net email services to Yahoo's infrastructure.
Key opinions
- MX Record Change Date: Cox.net MX records were updated around October 1, 2023.
- Transition to Yahoo: Cox Communications transitioned its email services to Yahoo.
Key considerations
- Authentication Updates: Senders need to update their email authentication configurations (SPF, DKIM, DMARC) to align with Yahoo's policies to ensure proper email deliverability to Cox.net recipients.
- Deliverability Impact: The transition may impact email deliverability for senders who haven't updated their authentication settings.
Marketer view
Email marketer from Cox Support mentions that they are migrating their email to Yahoo.
26 May 2022 - Cox Forums
Marketer view
Email marketer from Reddit responds that Cox changed their MX records around October 1, 2023, based on their email client.
7 May 2024 - Reddit
What the experts say
2 expert opinions
Cox Communications transitioned their email service to Yahoo, requiring an update to email authentication configurations to ensure deliverability to Cox.net recipients. The MX record change occurred sometime in October of 2023.
Key opinions
- Transition to Yahoo: Cox Communications transitioned its email service to Yahoo.
- Authentication Update: The transition necessitates updating email authentication configurations (SPF, DKIM, DMARC) to align with Yahoo's policies.
- MX Record Change Timeline: The change in MX records happened sometime in October 2023.
Key considerations
- Deliverability Impact: Failure to update authentication configurations may negatively impact email deliverability to Cox.net recipients.
- Authentication Policies: Senders should review and adhere to Yahoo's authentication policies to ensure proper delivery to Cox.net email addresses.
Expert view
Expert from Email Geeks answers that the Cox.net MX records changed sometime this month, as prior monthly MX logging shows the old MX.
31 Jan 2022 - Email Geeks
Expert view
Expert from Word to the Wise discusses Cox Communications transitioning its email service to Yahoo, which impacts email authentication and deliverability. This change requires senders to update their authentication configurations to align with Yahoo's policies to ensure messages are properly delivered to Cox.net recipients.
22 Apr 2024 - Word to the Wise
What the documentation says
3 technical articles
Cox Communications transitioned its email services to Yahoo Mail. DNSWatch and MXToolbox confirm that Cox.net MX records are now managed by Yahoo, using MX records such as mx1.mail.yahoo.com, mx2.mail.yahoo.com, mx-eu.mail.am0.yahoodns.net, and mx-us.mail.am0.yahoodns.net. Cox provides a support page detailing the transition process and its impact on users.
Key findings
- Yahoo Mail Transition: Cox Communications has transitioned its email services to Yahoo Mail.
- MX Records Managed by Yahoo: Cox.net MX records are now managed by Yahoo.
- Yahoo MX Records in Use: Cox.net uses Yahoo's MX records, including mx1.mail.yahoo.com, mx2.mail.yahoo.com, mx-eu.mail.am0.yahoodns.net, and mx-us.mail.am0.yahoodns.net.
Key considerations
- User Impact: Users should consult Cox's support page for details on how the transition impacts them.
- Email Deliverability: Senders should ensure their email configurations are compatible with Yahoo Mail's requirements to maintain deliverability to Cox.net addresses.
Technical article
Documentation from Cox explains that Cox is transitioning email services to Yahoo Mail, providing a support page with details on the transition process and impact on users.
20 Jan 2024 - Cox.com
Technical article
Documentation from DNSWatch shows that Cox.net currently uses Yahoo's MX records. The MX records listed include mx1.mail.yahoo.com and mx2.mail.yahoo.com.
10 Aug 2021 - DNSWatch.com
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