Why do you Get Spam Mails

All spam emails, you receive, are from both known and unknown sources. Let me share a good example of emails from known sources.  Few months I got my car serviced at a service center and upon their request, I filled the feedback form including my personal email ID. After few days I started receiving their promotional mails.

Steps to Stop Spam in Gmail:

1. User Specific blocking

2. Create filter with search

3. Report Google

4. Alias Tweaks