What the error message says would be helpful.
Also, can you log into your server and delete the message there?
I.E. if your e-mail address ends @btinternet.com - you can log into bt yahoo - mail - inbox - and delete the message.
This thread is now locked and can not be replied to.
Samsung Galaxy Note 7 review: An almost flawless smartphone, almost
1995-2015: How technology has changed the world in 20 years
Ghostbusters VFX: See how Iloura brought its ghosts to (un)life
MacBook deals: The best places to find MacBooks on sale in the UK
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.