OUTLOOK INTERVIEW QUESTION AND ANSWER

DIFFERENT BETWEEN POP AND IMAP PROTOCOL

·       When user configure imap  then access any where and system mail

·       In Imap all mail direct  save in server

·       In imap case when data delete in system then data is not delete on server

·       Imap port no: normal port-143

                          Encrypted port-993

Pop3

·       Pop3 all mail download in local system

·       In pop3 case send time is not save on server

·       Pop3 is use only one system
 normal port-110

Encrypted port-995

Smtp(simple mail transfer protocol)

This protocol using for sending mail

Normat port- 25

Encrypted port- 465(SSL)

Encrypted port- 587(TSL)

DIFFERNCE BETWEEN .OST AND .PST

OST(OFFLINE STORAGE TABLE)

·       WHEN YOU ARE USING EXCHAGE SERVER THEN CREATE MAIL IN .OST FORMAT

·       .OST FORMAT IS ALLWAYS DUBLICATE COPY OF MAIL

·       Outlook Data Files (.ost) are used when you have an Exchange account and want to work offline

.OST DID’T BACKUP MAIL

PST(PERSONAL STROGE TABLE)

·       PST FILE IS BACKUP OF OUTLOOK

·       WHEN DATA IS ACHRIVE THEN DATA SAVE IN PST FORMAT

·       Outlook Data Files (.pst) are used for POP3, IMAP