CanIt Archiver is an email archiving software solution perfect for small and medium businesses. CanIt Archiver takes SMTP in and produces SMTP out, so it is compatible with any mail server including Microsoft Exchange, Sendmail, Scalix, Postfix, Zimbra, Exim, Axigen and more.
The best thing about this tool was that I could save my emails without having to install anything or pay extra fees! It's not free but if you're looking into saving your mails then go ahead as they have saved us from spamming issues many times over!! Nothing really except maybe when there are too much attachments which can slow down sending of messages/emailing etc., But other than those few things nothing else has been noticed by me until now (as far am concerned). This saves our time because…
Pros
Easy interface
Good support team
Very helpful with all kind problems, queries..etc.
Free version available for everyone in limited size.limited mailbox space is enough :)