I want to self host "a server"

1

Yahoo

Then you start blocking google.com, hotmail.com, outlook.com, yahoo.com, etc, etc with a "550 Spam source rejected. Appy for whitelisting by post." in your access file. Then you start whitelisting people who use these emailers, so their messages will be accepted.

#Search Engine #Internet Portal #Internet Search 418 social mentions

2

SpamCop

Then you sign up/use various spam listing services like zen.spamhaus.com and spamcop.net(?) to check each and every incoming email is not coming from a known spammer.

#Monitoring Tools #Disposable Email #SPAM 6 social mentions

3

Google

Then you start blocking google.com, hotmail.com, outlook.com, yahoo.com, etc, etc with a "550 Spam source rejected. Appy for whitelisting by post." in your access file. Then you start whitelisting people who use these emailers, so their messages will be accepted.

#Search Engine #Internet Search #Web Search 3693 social mentions