These are randomly sent emails from Asia, etc. Ignore then. If your ISP has on-line email checking you may be able to set up anti-spam by keywords. I use Orange and it filters about 95% of spam mails so I do not get them...
Surface Pro 5 News - release date, UK price, features, specs
Microsoft Surface Studio hands-on review: the iMac killer is here
Best Mac antivirus 2017
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.