[vchkpw] Is it possible to restrict users or domains to only particular protocols?

I'm running a vpopmail server setup with courier-imap with-authvchkpw and authorising from a mysqlDB and I am wonder if it is possible to restrict which protocols a particular user or domain has access to? For instance can I have the server running pop3, pop3s, imap imaps but only allow:

Re: [vchkpw] Is it possible to restrict users or domains to only particular protocols?

Gerard Earley wrote: I'm running a vpopmail server setup with courier-imap with-authvchkpw and authorising from a mysqlDB and I am wonder if it is possible to restrict which protocols a particular user or domain has access to? For instance can I have the server running pop3, pop3s, imap