The person who brings your email is often referred to as a "mail carrier" or "postal worker." In a digital context, it could also refer to an email service provider or an email client that delivers your messages. Mail carriers physically deliver letters and packages, while email providers ensure your electronic correspondence reaches your inbox.
The plaintiff brings an action, the defendant is the one upon whom the claim is brought.
A smuggler.
The person who brings a lawsuit is called the Plaintiff or Petitioner.
The party that brings the case, or files a petition for writ of certiorari, is called the Petitioner. The opposing party is called the Respondent.
Compiler
A person who brings the mail is commonly referred to as a "mail carrier" or "postal carrier." In some regions, they may also be called a "postman" or "postwoman." Their primary role is to deliver letters and packages to homes and businesses.
A person who brings ships in and out of ports is called a pilot. Maritime pilots are experts in navigating vessels through coastal waters, harbors, and rivers, ensuring safe passage. They often board ships to guide them safely to their destination, especially in challenging or congested areas.
email spoofing
If sent to a very large number of people, this email is called "mass email". If not solicited, it's called "spam". Emails sent to more then one person are emails that arrive at a number of inboxes with the same copy. This emails have more then one single recipient address.
Something that brings suffering is called a source of pain or distress.
I doubt they were afraid of a person watching TV in the yard, although they may have been called out to check on the person's mental welfare or as a disturbance.
A person or thing that brings bad luck is often referred to as a "bad omen" or "jinx." In some cultures, they may be called a "hoodoo" or "curse." Superstitions surrounding such entities suggest they can negatively affect fortune or outcomes.