Try Mailwasher, it's free a quite good, although it made a mistake today and deleted emails it shouldn't have. Trouble is these spammers change addresses so at the moment it's going to be a continuing problem - until they make it illegal.
Huawei P10 review
1995-2015: How technology has changed the world in 20 years
An overview: What leading creative agencies are doing to improve diversity
New iPad, iPhone SE & Red iPhone 7 on sale now
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.