[Fail2ban-users] need help with filterd/postfix.conf

[Doug Preston via Fail2ban-users]

I am tired of the spam

I need to add a line to ban a word in the machine name in my 
filter.d/postfix.conf

Log entry
May  4 08:20:37 mail postfix/smtpd[9592]: connect from 
mail-a.webstudioseventyeight.com[170.130.69.8]

I am trying this
mdpr-normal =^connect from ([a-z-0-9]*\.webstudio[A-Z-0-9]*\w+\.com)[<HOST>]




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