3. Events smtp:fail:protocol and smtp:fail:syntax
- 4. JSON and LDAP lookup support, all the router and authenticator drivers,
+ 4. Support for Exim- and Sieve filters can be omitted at build time
+
+ 5. JSON and LDAP lookup support, both filter types, PAM, RADIUS, perl, SPF,
+ DKIM, DMARC and ARC support, all the router and authenticator drivers,
and all the transport drivers except smtp, can now be built as loadable
modules