In plain English
This means cutting off contact from one specific source so later messages from that source do not arrive. It is about that particular sender and about future messages.
In context
Here, "block the sender" offers the action of preventing later messages from that sender from reaching you.
- Situation
- Responding to phishing, suspicious activity, fraud, and compromise alerts
- What it communicates
- offers an action to stop future messages from that sender.
Meaning limits
The term alone does not say anything about messages already received or about anyone other than that particular sender.
Examples
“After the third unwanted message, Maya blocked the sender, so later messages from him would not reach her.”
“If the messages keep coming, block the sender and move on.”