Gmail External Email Highlighter
For highlighing email addresses in Gmail 'to' fields that don't fit certain rules - ie. that are being sent outside the company.
Gmail External Email Highlighter
Gmail External Email Highlighter is a Chrome extension that highlights email addresses in Gmail 'to' fields that don't fit specified rules, helping users identify emails being sent outside the company.
Extension stats
Risk impact: Moderate risk impact 
Risk likelihood:
Manifest version: 2
Permissions:
- https://mail.google.com/*
- storage
Size: 7.08K
Ranking
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Extension summary
If your company uses Gmail's web client to send emails, this extension will highlight email addresses that fall outside of rules you define.
This way your users can easily see if they're accidentally sending an email to someone outside of the company.
Or you could just put your bosses email in to make sure you're never caught out by not noticing them in the CC box!
Email rules are set using regex.
Extension safety
Risk impact
Gmail External Email Highlighter requires a few sensitive permissions. Exercise caution before installing.
Risk likelihood
Gmail External Email Highlighter has earned a fairly good reputation and likely can be trusted.
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