SA (Spamassassin) is good idea, I saw most people running their own mail servers are using it.
On Sat, Nov 23, 2019, at 4:35 AM, Ralph Seichter wrote: > * merr...@fn.de: > > > We did get a lot of spam messages from Chinese providers. We speak not > > Chinese, do you think if it is possible to reject all mails from > > China? > > SpamAssassin, which is often used in combination with Postfix, has a > plugin called "RelayCountry" that allows you to change the spam score of > email. It uses GeoIP and is therefore not always accurate, but overall > it can help. > > There is also the "TextCat" plugin that attempts to determine the > language of email bodies, and it allows you to adjust spam scores based > on wanted/unwanted languages. > > Personally, I think that hard blocks based on these plugins are not a > good idea, but if your business is not set up to handle communication > written in language X (e.g. because none of your employees speak X), > adjusting the spam score seems reasonable. > > -Ralph >
