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a37a8e3b2a
** I agree to the code of conduct and the contributory guidelines ** Tested with 80+GB single inbox via imap ``` --nofoldersizes --skipsize --fast ``` file and folder sizes are only used for statistics, which are completely useless. Before the actual data is transfered the message and folder sizes need to be calculated on a 200 000+ message inbox, this will almost never complete. ``` --buffersize 8192000 ``` sets the io buffer to 8mb, the default buffer is 4kbyte, this is speeds up syncs. ``` --skipheader 'X-*' ``` X headers vary wildly from system to system and do not ensure message uniqueness, they are not needed. ``` --split1 3000 --split2 3000 ``` split the requests in several parts on the server, 3000 is the number of messages handled per request. ``` --fastio1 --fastio2 ``` use fastio