I have tried several @outlook.com email addresses (even including @outlook.de and @outlook.sg) to mail `[email protected]` and `[email protected]`, but I have not received any replies, also have checked my spam folder.
On 2026/04/17 20:21:27 Christopher Schultz wrote: > Hello, > > It's odd anyone is blocking messages. apache.org does not have a DMARC > record, and so anything your email service is blocking is non-standard. > > apache.org appears to have 2 SPF records (both v1 and v2). Are you able > to get anything from one of these blocked messages (e.g. by special > request to your email provider)? I'd be interested to see the path those > messages take to get to you and if SPF alone can be blamed somehow. > > -chris > > On 4/17/26 8:08 AM, 2380189206 wrote: > > Yes, they are all working well. > > > > On 2026/04/17 11:15:11 Gary Gregory wrote: > >> Do you subscribe to non-Apache mailing lists and do these come through OK? > >> > >> Gary > >> > >> On Fri, Apr 17, 2026 at 5:34 AM 2380189206 <[email protected]> wrote: > >>> > >>> I am writing to report an ongoing email deliver-ability issue that has > >>> been preventing users from receiving emails from apache.org since at > >>> least May 2025. > >>> > >>> Emails sent from Apache mailing lists (e.g., @ozone.apache.org, > >>> @hadoop.apache.org, and other Apache project subdomains) are being > >>> blocked by Outlook. The root cause appears to be that these emails are > >>> not carrying DKIM signatures, which seems to have triggered Microsoft's > >>> security policies implemented around April 2025 ( > >>> https://techcommunity.microsoft.com/blog/microsoftdefenderforoffice365blog/strengthening-email-ecosystem-outlook%E2%80%99s-new-requirements-for-high%E2%80%90volume-senders/4399730 > >>> ). > >>> > >>> This issue was first reported by users on Microsoft's community forum ( > >>> https://learn.microsoft.com/en-us/answers/questions/4722114/unable-to-receive-emails-from-******@ozone-apache > >>> ) as early as June 2025. In this post, the user confirmed that he > >>> stopped receiving messages suddenly in June 2025, and standard > >>> troubleshooting (safe sender lists, checking junk folders) did not > >>> resolve the issue, indicating it is not an isolated incident but a > >>> systemic infrastructure conflict between Apache's email setup and > >>> Outlook's filtering rules. > >>> > >>> As of today (April 2026), this problem persists ( > >>> https://www.reddit.com/r/Outlook/comments/1smr1x7/anyone_else_having_issues_subscribing_to_apache/ > >>> ). This blockage is severely disrupting communication for developers and > >>> users who rely on these mailing lists for critical project updates and > >>> support. > >> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: [email protected] > >> For additional commands, e-mail: [email protected] > >> > >> > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [email protected] > > For additional commands, e-mail: [email protected] > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
