BT Yahoo basic has no email as standard just webmail. you pay extra to get outlook/outlook express functionality.
If you have a pop email system go to tools, options security and untick the box that says do not allow attachments.
OnePlus 5T review: Hands-on
Illustrator Andrés Lozano on his improv line work, brazen use of colours & hand sketching
iPhone X review
Comment envoyer gratuitement des gros fichiers ?