I’ve noticed when you share your email address on classified advertising services like kijiji.ca or employment-related search engines like Indeed.com, spammers web scrap the boards and harvest your email address. This normally leads to countless unsolicited junk emails.
Top level domains
To combat this, I have monitored incoming email addresses, setting up email rules to filter out specific top-level domains (.US .TOP .DATE .WIN .FAITH …) sending them go directly to junk mail.
Spammers purchase these domains because some you can get for less then 99c, these addresses appear to bypass most spam filters, and it greatly increases ROI when you don’t have to purchase a bunch of domains at $20/each.
If you are worried legitimate emails might get filtered out, I would suggest taking a better look at why you are getting emails with a top-level domain like “.DATE” in the first place (don’t filter out .COM + .CA domains!).
This has significantly decreased my spam emails from 100-200 emails a day, to nearly zero. It has also resolved the issues without purchasing expensive anti-spam software. When emails do get through, I just mark them as spam.
Full Stack Developer, Digital Marketer, and InfoSec enthusiast. He received his Bachelor’s Degree from the University of Western Sydney and his Business Diploma from Georgian College before joining various marketing positions in search portals, e-commerce, higher education, and addiction recovery services.Follow @ twitter
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List You can remove the repository from the sources list using terminal. Find First you need to find your lists: sudo ls /etc/apt/sources.list.d Command Look for your desire PPA here and then remove the PPA using the following command: sudo rm -i /etc/apt/sources.list.d/PPA_Name.list