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Open source mail archiving software compared
Locked Away
By law, enterprises are required to retain email for a certain period of time. The archiving solutions discussed here, Piler, Benno MailArchiv, and MailArchiva, promise both legally compliant storage and added benefits for corporations.
Many countries provide a comprehensive system of legal regulations for governing the delivery and storage of email. For instance, some mail might contain commercial correspondence or tax-relevant information that forms an official legal record and must stay around for a predetermined time for auditing purposes.
The auditability requirement often dictates that the archived email be immutable and thus protected against access by staff – even the omnipotent administrator. The laws governing email pose several technical problems: Many messages are stashed away in local mailboxes of mail clients where they are stored in an unstructured way so that pertinent messages cannot easily be distinguished from other mail. Targeted searching thus involves a large amount of manual work. The requirements for digital auditing, and possibly also internal compliance policies, are thus not met. Additionally, the daily flood of spam that swamps mailboxes makes it very difficult to sort the digital chaff from genuine content and hugely bloats the data volumes.
More Than Compliance
State-of-the-art archiving solutions address these tasks and problems with a varying degree of internal overhead. They take care of automated, permanent email storage, make the content easy and quick to find through centralized search solutions, and ensure auditable storage of the data. Ideally, these solutions will integrate seamlessly with the enterprise network, collaborate nicely with all popular mail servers, offer web-based access, provide granular authorization, and be able to store any kind of data transparently on any popular kind of storage medium, or even on specialized archiving
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