New records, here: 1598 spam mails in three days – Friday, Saturday, Sunday! I think the Microsoft Exchange server discarded my rule telling it to immediately delete all mails it considered spam itself. Bad. Very bad.
For the moment, ThunderBird is downloading all the mails to check them for spam.
I think I will create a local filter rule, that looks at the header added by the spam filter on the server, and just junk these mails client-side.
Filtering took so long, that in the mean time, a lot more spam has arrived.
Right now I have 23 mails that Thunderbird did not recognize as spam. 12 of these were spam that I marked manually.
There are 873 mails in my local trash can. They unded up there due to a change in filters which I have now corrected. All of them are spam arrived today and recognized as spam on the server.
The server trash can contains 1558 mails, all except 2 of them are junk. Two useless mails is not bad. 😄 So: 1556 + 873 = 2429 spam mails is pretty bad. Since I only had to identify 12 of them manually, that gives me 99.5% spam recognition rate. I don’t go looking for false positives, because in my experience they are extremely rare, and I just don’t have the time to look at 2429 candidates.
There are 15 useful mails in my inbox that I got on Friday and this morning. That’s not too bad, either.
#Spam