Frequently Asked Questions on POP3 and IMAP
Out of IMAP and POP3 protocol which provides more security?
IMAP Provides more security as compared to POP3 as it creates multiple copies of data and stores on ICMP server .Thus if data is lost , a copy of it is resent improving security.
With POP3 is it possible to access the same email on different systems at the same time?
No, POP3 does not provide such features. The same email cannot be accessed at the same time on different systems.
Which ports are used by IMAP?
IMAP makes use of port 143 and if IMAP is used with SSL secure it makes use of port 993.
What is the POP3 maximum size?
The entire encoded email size is limited by the ServiceNow servers to 75 MB for incoming (POP3) emails and 25 MB for outgoing (SMTP) emails. Emails larger than this are not accepted.
Differences between POP3 and IMAP
POP3 (Post Office Protocol 3) and IMAP (Internet Message Access Protocol) both are MAA (Message accessing agent), and both of these protocols are used to retrieve messages from the mail server to the receiver system. Both of these protocols are accounted for by spam and virus filters. IMAP is more flexible and complex than POP3.
In this article, we are going to discuss What are POP3 and IMAP, what are the advantages and disadvantages of IMAP and POP3 and lastly, we will discuss the differences between them.
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