Frequently Asked Question on POP3
From 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.
Which email applications make use of POP3?
POP3 is used by Outlook Express, OSX Mail, Mailbird, Mozilla Thunderbird, etc.
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.
What is POP3 (Post Office Protocol Version 3)?
Today email is the most widely used platform for personal and professional business communication. Email protocol is defined as a set of rules for the secure transmission of emails over the Internet. SMTP, IMAP, POP, and POP3 are some of the email protocols. Each type of protocol used has a specific mechanism. The below article covers in detail the POP3 protocol.
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