Correct e-mail address being rejected

[Jancux]

Why is an e-mail address used for years being rejected?

What have TalkTalk changed to cause this?

What is an invalid ARC result
The mail system

<john.ruddock*****82.68.205.86]
said: 554 5.7.1 rejected by DMARC policy for tiscali.co.uk with invalid ARC
result. (in reply to end of DATA command)

[Ady-TalkTalk]

Hi Jancux, please send me a personal message with the sending and receiving email addresses so that I can add you to the incident. 

Ady

[Gliwmaeden2]

@Rocky61, please return to the message board and click on start a topic to begin your own thread. 

This is to avoid any confusion between customers when staff reply.

[Rocky61]

I have the same problem. I send regular emails to church members, but emails to one person is now being rejected because of Tiscali's DMARC policy. I have tried online chat, but BOT does not understand, and unable to get through to any one on phone who can help.

host mx01.mail.icloud.com[17.57.154.33] said: 554

    5.7.1 Your message was rejected due to tiscali.co.uk's DMARC policy. See

    https://support.apple.com/en-us/HT204137 for info (in reply to end of DATA

    command)