Product manual

GFI MailEssentials 17 Glossary | 282
False positives
Legitimate emails that are incorrectly identified as spam.
G
Gateway
The computer (server) in a LAN that is directly connected to an external network. In GFI
MailSecurity, gateway refers to the email servers within the company that first receive email
from external domains.
Greylist filter
An anti-spam filter that blocks emails sent from spammers that do not resend a message
when a retry message is received.
H
Ham
Legitimate e-mail
HTML Sanitizer
A filtering module within GFI MailSecurity that scans and removes html scripting code from
emails.
HTTP
Hypertext Transfer Protocol - A protocol used to transfer hypertext data between servers and
internet browsers.
I
IIS
See Internet Information Services
IMAP
See Internet Message Access Protocol
Internet Information Services
A set of Internet-based services created by Microsoft Corporation for internet servers.
Internet Message Access Protocol
One of the two most commonly used Internet standard protocols for e-mail retrieval, the
other being POP3.
L
LDAP
See Lightweight Directory Access Protocol
Lightweight Directory Access Protocol
An application protocol used to query and modify directory services running over TCP/IP.