On 11/26/18 11:10 PM, Grant Taylor wrote: > On 11/26/2018 02:33 PM, Martin Gregorie wrote: >> I think that fear is unfounded > > Please don't mistake my laziness as fear. I simply am not motivated enough > to construct a solution that will harvest outgoing recipient addresses. > I do not know if it's viable for your own use but amavisd penpal feature could be an option (https://www.ijs.si/software/amavisd/#features-spam) It creates a redis database where it correlates outbound msg-id and replies so it can subtract score if an email msg it's a reply to a known sender.
Giovanni > I might be interested and motivated enough to (eventually) construct > something to check against an LDAP address book. — I've been pontificating > creating an LDAP address book anyway. So if something else can make use of > it, all the better. Especially if said something else is directly related to > email (filtering). > >> IOW, if you build a whitelist containing just the addresses your outgoing >> mail is addressed to and periodically trim it to retain only addresses that >> stuff has been sent to in the last 24 months years I predict that your list >> size will stabilise despite user churn simply because most people's address >> lists don't change much from year to year. > > That all makes sense and I tend to agree with it. It's just not what I'm > currently pontificating doing. > >> And, of course, mail concerning online purchases is 99% incoming, so the >> addresses on it will never get into this type of whitelist. > > I initially think the same thing about address books. But some MUAs have an > option (maybe on by default) that automatically add senders and / or outgoing > recipients to their address book. I prefer to manually manage my address > book. — But that's just me and I do realize that I'm odd like that. > > >
