Draytek VigorPro 5510 Series User Manual page 129

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3 . 7 . 3 . 2
3 . 7 . 3 . 2
Grey List is a method for e-mail against spam. A mail transfer agent (MTA) using grey list
will "temporarily reject" any email from a sender it does not recognize. If the mail is legal,
the server will check it again and the email will be accepted. If the mail is from a spammer, it
will probably not be retried since a spammer goes through thousands of email addresses and
can not afford the time delay to retry.
This page allows user to set conditions to block mails coming from outside. Basically, the
incoming mails will be regarded as malice and must be blocked. However, mails sent out by
the host will be regarded as normal and no limitation will be set for them.
Sender E-Mail Address
Receiver E-Mail Address
Sender IP
Initial Delay Time
White List Accept Time
VigorPro5510 Series User's Guide
shown as "***SPAM*** license page" in your mail box.
Such tag can help users to identify which mail is useful or
useless quickly.
Reset – Choose this action to disconnect the network. It is
mainly applied on SMTP server.
Log - Check the box to have the process record stated on
Syslog.
Message - Type words which will be placed before the
subject of mail and help you to identify.
Delete the settings configured above and reset to default
settings.
Delete the settings configured above and return to previous
page.
G r e y L i s t D e t a i l S
G r e y L i s t D e t a i l S
Type the e-mail address of the sender.
Type the e-mail address of the receiver.
Specify the sender's IP for blocking with grey list.
Type the time of initial delay for mail checking.
Type the time for mail tracing with white list.
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