Ahoj,
mam TB anglicky, ale pravy klik na slozku > "Properties" > "Retention
Policy" > "Delete messages more than X days old".
Pokud uz si s tim nikdo nehral, tak by se to melo ridit nastavenim uctu:
"info(a)domena.cz" > "View settings for this account" >
"Synchronization & Storage".
Khardix