How to Block Senders in Gmail

Steps

1. 1
   Open Gmail. Determine which sender you want to delete permanently. An example is shown on the image:
   
   
   
2. 2
   Click on the Settings button. This is located on the right hand side. This will bring up a pull-down menu.
   
   
   
3. 3
   Click on the Settings option.
   
   
   
4. 4
   Notice that there are a bunch of different tabs in Settings. Find Filters and click on it.
   
   
   
5. 5
   Enter a name of the sender in the appropriate window. Click "Create filter with this search".
   
   
   
6. 6
   Mark the Delete button. Click on the Create Filter button.
   
   
   
7. 7
   You'll get a notification notice that states: "Your filter was created".
   
   
   
8. 8
   Expect no more mail from that sender. From this time on, your  annoying sender will be automatically deleted.