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3.12   SpamSieve and Multiple Macs

If you are accessing the same IMAP or Exchange mail account from multiple Macs running SpamSieve, it can be difficult to know which copy of SpamSieve needs to be trained to correct a mistake. There are several ways to deal with this:

  1. Run SpamSieve on a single Mac and let it clean your inbox for all the Macs. All the training is done from that Mac. This is the simplest solution.
  2. Run SpamSieve on a single Mac using the drone setup. This is like (1) but lets you remotely train SpamSieve when you’re away from that Mac.
  3. Run SpamSieve on all the Macs and turn off auto-training. This will have lower filtering accuracy than (1) or (2) but is useful in situations when you do not have a single Mac that is always available for mail filtering.
  4. Run SpamSieve on all the Macs, being careful to only let one copy of SpamSieve run at a time, and to always correct all the mistakes before switching to another Mac. This will give better filtering accuracy than (3) but is a lot more work.

Training Data

When upgrading to a new Mac or using setup (3) or (4) above, you can copy SpamSieve’s training data from one Mac to another. This is only recommended if the two Macs will be filtering the same mail account. Macs filtering different people’s mail should be trained separately for the best filtering accuracy.

License Info

An individual user running SpamSieve on multiple personal Macs generally only needs to purchase one SpamSieve license. The Purchase… section of the manual has more information about the license policy.

POP Accounts

If you are accessing the same POP mail account from multiple Macs, you can safely run SpamSieve on all of the Macs simultaneously. Each Mac is entirely separate from the others, so you don’t have to worry about any of the training issues that IMAP and Exchange accounts have. The downside is that it’s more work to train each copy of SpamSieve separately.

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