Google Gmail has added detailed sender information to avoid possible phishing. According to Wikipedia, phishing is a way of attempting to acquire sensitive information such as usernames, passwords and credit card details by masquerading as a trustworthy entity in an electronic communication.
1. Whenever you receive a message from someone who isn't already in your Gmail contacts, the header will now show the sender’s email address like this:
2. Websites sometimes send emails on behalf of someone, like when your friend Mike sends you an article from abc.com using one of the site's "Share this story" links. Gmail will now show this information more prominently:
3. Gmail will also automatically detect suspicious messages and display a warning when it looks like someone may have spoofed a Gmail address (we do this by evaluating the message's authentication data).
Protect yourself from scams by knowing who really emailed you [via]
1. Whenever you receive a message from someone who isn't already in your Gmail contacts, the header will now show the sender’s email address like this:
2. Websites sometimes send emails on behalf of someone, like when your friend Mike sends you an article from abc.com using one of the site's "Share this story" links. Gmail will now show this information more prominently:
3. Gmail will also automatically detect suspicious messages and display a warning when it looks like someone may have spoofed a Gmail address (we do this by evaluating the message's authentication data).
Protect yourself from scams by knowing who really emailed you [via]