Add DomainKeys Signatures to Outgoing Emails
DKIM requires outgoing emails to be signed with a special signature, so if a recipient knows that all legitimate emails sent from your domains are signed with such signatures, they can drop spoofed emails (which are unsigned or have an invalid signature). This feature would allow ORF to add DomainKeys signatures to outgoing emails. For more information about DomainKeys, please visit http://dkim.org/.
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Per Recipient Attachment Filtering Exceptions
An option in ORF to whitelist some attachments for some recipients, but not for the others. For example [email protected] could receive ZIP attachments, even if an attachment filtering rule blocks all ZIP files for all recipients.
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Recipient Validation Test Generic LDAP Support
Support non-Exchange LDAP directories (such as Novell NDS, OpenLDAP, etc.) and schemas for the Recipient Validation Test. This would allow ORF users with non-Exchange servers to take advantage of the Recipient Validation test without importing the valid recipient addresses into an SQL database or text file.
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Add BCC Recipient Addresses to Emails
Normally, BCC (Blind Carbon Copy) recipients are not recorded in emails anywhere. Add a new option to ORF that records the original envelope recipient list (which includes the local BCC'd recipients) to the email header as e.g. X-Envelope Recipients: Recipient1;Recipient2, etc.
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