How can I block fake mails with the same sender and recipient parts.
ex:
from: test@abc.com
to: test@abc.com
auth-email: nick@tester.com
actually the account is logged in as nick@tester.com but it tries to send mail like test@abc.com.
Although the "Use SPF" feature is active, I receive a lot of such mails.
ex:
from: test@abc.com
to: test@abc.com
auth-email: nick@tester.com
actually the account is logged in as nick@tester.com but it tries to send mail like test@abc.com.
Although the "Use SPF" feature is active, I receive a lot of such mails.