Block sender when not using valid domain or pattern like
id@domain.com
Pattern not valid :
Code: Select all
awdawe2u3ehw@weerwerwer
awdawe2u3ehw@mail.local
awdawe2u3ehw
awdawe2u3ehw@192.168.0.1
Valid pattern :
Code: Select all
awdawe2u3ehw@weerwerwer.com