How do spam mail avoid the spam filter?


How do spam mail dodge the spamfilter and regular mail gets tagged much more frequently?

In: Technology

Found someone not using Gmail. Even back in 2003? when they were invite only, they didn’t let any spam through compared to Yahoo that let everything.

Gmail looks for the same messages being sent to multiple accounts and assumes it’s spam. And they’re going to apply other filters like new accounts being more suspicious, accounts that use certain keywords, accounts that don’t have “normal” email interactions like order confirmation emails.

The downside of all this is it requires them to “read” all your emails. It was a controversial thing 15 years ago.