Email blacklist settings - regular expression.

[Just Me]

How can I set a regular expression in order not to send email to some domains?
Ex. I dont want to send any emails to baddomain.com.
Is this expession correct - /(.*)@baddomain\.com/i ?

 

[twisted1919]

@Just Me - it's easy to verify this at: https://regex101.com/r/QMYvPM/1
So your regex is just fine.