: The minus sign ( - ) is an exclusion operator. This part tells Google to remove any results containing these common email domains, helping to filter out standard personal email lists or spam and focus on private or corporate servers.
In 2019, TXT messaging had become a popular way for people to communicate with each other. With the rise of mobile devices and messaging apps, TXT messaging had become a convenient and easy way to send short messages to friends, family, and colleagues. -gmail.com -yahoo.com -hotmail.com -aol.com txt 2019