Block Authentication by country - any possible for exception?
Question asked by Juan Lai - 3/4/2024 at 10:35 PM
Hello there,
   due to too many smtp-auth attempts, we decided to only allow the authentication from certain countries in Asia. But some of our users prefer to use Gmail Web. They set the Gmail to greps emaisl via pop3, And this behaviors became a client is using pop3 to login from the US.
   I just want to check if it's possible to block the authentication from the US but allow the access from google domain?
   Thank you.
Juan Lai

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I have requested the same as a new feature, but no answer...
Gabriele Maoret - Head of SysAdmins at SERSIS Currently manages 6 SmarterMail installations (1 in the cloud for SERSIS which provides services to a few hundred third-party email domains + 5 on-premise for customers who prefer to have their mail server in-house)
Do you have another firewall in front of your mail server ?
We use pfSense and have the package "pfBlockerNG" installed. That allows you to block traffic based on GeoIP info and several other lists. Same, we block all content from certain other countries.
www.HawaiianHope.org - Providing technology services to non profit organizations, low income families, homeless shelters, clean and sober houses and prisoner reentry programs. Since 2015, We have refurbished over 11,000 Computers !

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