On 10/15/2014 4:58 PM, Joe <j...@jretrading.com> wrote: > It's worth some effort, at the moment it is the single most effective > anti-spam measure. If you outsource your mail, it's worth going to some > trouble to find a hosting company who will hold and accept updates for > a list of valid recipients.
Or even easier, just get them to agree to let you perform recipient verification in realtime. > if it is spam, there's nobody to tell, and you don't want to send a > copy of the spam to the forged Reply-To: address. Of course not - which is why you REJECT it instead of ACCEPT+BOUNCE.. >> 3. once an email has been accepted for final delivery, every effort >> should be taken to deliver the message to the recipient, whether to >> their Inbox clean or tagged as spam (if a spam threshhold is met), >> or to a spam quarantine, > Which shouldn't be a problem if there's a valid recipient. Well, since everything I'm talking about is not accepting mail for invalid recipients, not sure why you felt the need to say that. > Yes, and a log kept. Anyone who runs a mail server and doesn't keep logs shouldn't be running a mail server. *And* the postmaster address monitored, Anyone who runs a mail server and doesn't monitor the postmaster address shouldn't be running a mail server. > and a request to know the disposition of a vanished email should be > answered, along with the reason. Especially if the request is > accompanied by one of your message IDs... Absolutely... > Of course. Already-accepted spam *must* be silently dropped. Absolutely NOT! It should be *delivered*, either tagged as spam to the Inbox, or to a quarantine, but it should be delivered. I only allow tagged delivery for more sophisticated users. Normal users have to check their quarantine. The only exception on my system is anything with a verified malicious payload, which is delivered to an admin mailbox, not to the intended recipient/victim. -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/543fa2d9.1080...@libertytrek.org