kod thunderbirda
ima opcija pod podesavanjima mail servera
leave messages on server, pa odaberes koliko dana da ih ne obrise kad ih skine
kod outlooka ne znam napamet, posto ga nemam ali evo sta kaze stari dobri internet
In Outlook 2010 go to File...Options...Advanced . You will see a Send/Receive section. Click the Send/Receive button on the right.
Select Edit, then select your account and click on Account Properties. Now select the advanced tab and you will see the "Leave on Server" setting.
a evo i slikovito objasnjenje
http://www.serverintellect.com/support/ ... erver.aspx