I'm searching for an online email archiving solution and would like to hear about your suggestions and experiences.
What I need to have is:
- Support for exchange
- hosted online so people can access remotely
- plenty of storage
- ability to search all archives
- individual access to personal archives
- import of pst files
I'm looking at Postini (now by google) and messagelabs, but have not tried either of them.
Did you know that Messagelabs were recently acquired by Symantec? We've been researching their email services for spam and antivirus scanning and they seem to be very good, however the pricing is a bit expensive for large account numbers. I'm not sure however is they offer anything that will work with Exchange.
There are some cool open sources out there too, such as: hmailserver, Zimba, Atmail and some others. However, for the requirements of supporting Exchange and importing from PST files, I'm not sure. If you can live with Outlook as the client side, then you can use any mail server that supports pop/smtp. Then you would do the PST importing/exporting in outlook.