Hello, we are working with similar issues. We have tried using Content Filtering and the new RUN button. Some emails are processed, BUT not all. As a result, this attempt is not acceptable, since many messages are being left unprocessed. I can find no reason why some messages are processed and some are not. I have looked at FORWARDING rules, at the domain-level (making changes to allow all messages to be forwarded/redirected). No luck. In fact, we're not forwarding or redirecting now, but simply moving to a new folder, as your idea above suggests. Still SmartMail seems to be skipping many emails with not report as to why.

We need a method to accurately remove older mail. We have had no success with SmartMail's tools. And our inboxes grow by the day!

UGH

After posting that message, above, I found that the email client eM Client has this functionality built-in. If so configured, you can enable this email archiving (which is not Message Archiving -- a different thing) such that it downloads emails to a local, not IMAP, folder called /Archive based on a schedule of every x days move emails that are y days old into this local folder, freeing up your IMAP Inbox folder. The only downside is that the /Archive folder was local to that install on that device. Other email clients looking at that email account would not be able to access the /Archive folder.

In either case, I was looking forward to that functionality, but for some reason eM Client just didn't work for me. It wouldn't synchronize emails reliably. New emails that had recently come in, and were not yet read (ie; they were still in bold), wouldn't appear in the read pane unless you "repaired" the folder. And, like Thunderbird recently (for me, at least) other folders would not update or display if there was new emails.in them. I'd have to actually click through every folder to have it check if there was new email in there.

Because both Thunderbird and eM Client exhibited the same behavior, it's possible this was due to my account in SM being somehow slightly corrupted, or maybe a recent update to SM included something that made it hard for email clients to check for new email in IMAP folders. Who knows.

Anyone else have that issue? We're using Build 7199 February 2021.

Interesting.... Outlook also has the ability to 'Archive' messages to a local device. But, like you said, this is only resident on the local machine...And what happens when that device fails or is retired? all those messages disappear. 

What are others doing to effective keep email managed? Our email boxes are mutli gig with 8 to 10,000 messages. SmarterMail seems to offer no viable solution to this. I am surprised. And at a loss as to how to use SmarterMail better.

@Montague, we strongly discourage you to use local archiving. We`ve had major issues in the past where people would complain that their emails are gone and after investigating, it turned out that they pressed the wrong button in Outlook, enabled archiving to a local file, then their workstation failed and when they set up their account on a new one, voilla: no more emails.
We specifically have a policy against this and do not allow this feature to be used to avoid such data loss.

Now, for example in Outlook the Archiving can be done to a simple folder in the same account (which is synced back to SmarterMail), but that is useless, in essence it just moves emails from other folders to another dedicated folder called "Archive". If this folder on SM could be hosted on another storage device, then that would indeed be a killer feature.