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14.5.3 SPAM/Virus/Malware 362
No other archive types are supported. Archive inspection is non-
recursive, i.e. archives inside of archives will not be scanned.
Quarantine mode for inbound emails
Determine how to deal with emails containing unwanted attachments.
No matter which setting you choose, an administrator can always inspect the
attachments in menu "Monitoring > Mail server" and forward them to the recipients
anytime. Configure the option "User access to quarantine area" to send the recipients a
link which grants them access to the quarantine directory if certain conditions are met.
remove attachment
When this option is selected, unwanted attachments in an email will be replaced
by a reference text. The modified email will then be delivered to its recipients.
The advantage of this setting is that the recipients immediately receive as much
of the original email as possible. For the administrator this setting will become
the more time consuming one, if he often has to unquarantine attachments and
forward them to the recipients, because each attachment has to be downloaded
and forwarded manually.
retain email
Here the whole email is quarantined. A notification email will be sent to all
recipients.
If "Quarantine mode for inbound emails" is enabled,
following the link of an email which has been sent to
multiple recipients will trigger delivery to all recipients.
The advantage of this option is that the signature of signed email won't be
destroyed. For the administrator, delivery of a quarantined email is just a single
click.
User access to quarantine area
To relieve the administrator, recipients can be allowed to access the quarantine area
themselves under certain conditions. Depending on the setting "Quarantine mode
for inbound emails" the recipient will either get links for downloading quarantined
attachments of a link to trigger delivery of a quarantined email. When following the link
the user will receive an error message, if a virus has been found in the mail or if not all
of the requirements configured here have been met yet.