Google address book with 17000 entries. Causes high TB memory usage. SOLUTION trim the address book sizes

amongst other IMAP accounts, i have a google mail account, wich for some reason or the other just fills up my address book, i have the maybe 20 different addresses wich appear each 500-1000 times.
I tried deleting them, but in one -2 days the address book is full again.

Any idea what setting is not set right?

Thank you in advance,
Costin NIcolau
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