email being rejected by outlook.com, icloud.com and yahoo.com new this morning

[jncape]

The subject says it all:

email being rejected by outlook.com, icloud.com and yahoo.com new this morning

[Gliwmaeden2]

@jncape, you need to complete your community forum profile details in Personal Information and add details of affected addresses in Private Notes near the end of that section. 

Go via your avatar; settings....SAVE CHANGES afterwards. 

[Gliwmaeden2]

Please NEVER display personal information of any type in the public thread, @jncape.

[jncape]

Further information:    the original email was addressed to barbara******@outlook.com

this (below) is the message I received

SA2PEPF000015CB.mail.protection.outlook.com rejected your message to the following email addresses:

XXXXXX @outlook.com

Your message wasn't delivered because the recipient's email provider rejected it.

SA2PEPF000015CB.mail.protection.outlook.com gave this error:
Access denied, sending domain [TALKTALK.NET] does not pass DMARC verification and has a DMARC policy of reject. [DM8PR01MB6885.prod.exchangelabs.com 2025-02-10T11:59:41.094Z 08DD493085AA5DDC] [SA9PR13CA0136.namprd13.prod.outlook.com 2025-02-10T11:59:41.103Z 08DD49902F26C5BF] [SA2PEPF000015CB.namprd03.prod.outlook.com 2025-02-10T11:59:41.089Z 08DD489FCB7C5ADB]