Comparison with mailarchiva
Piler is a viable alternative to commercial email archiving solutions. The following chart provides a feature matrix of both Piler and Mailarchiva Enterprise Edition.
| Feature | Mailarchiva | Piler |
| Archives all incoming, outgoing and internal emails | OK | OK |
| Archives calendar (iCal) and contact (vCard) data | OK | - |
| Archives Microsoft Lync instant message (IM) chats | OK | - |
| Define archiving rules | OK | OK |
| Attachment de-duplication | OK | OK |
| Message de-duplication | OK | OK |
| Archive compression (±60%, ZIP) & encryption (AES-128) | OK | AES-256+zlib (Blowfish for legacy emails) |
| Multiple disk/volume support | OK | - |
| Removeable disk support | OK | - |
| Auto volume creation per month/quarter/year/size | OK | - |
| In built recovery queue | OK | - |
| Live and scheduled archive backup | OK | scheduled / on demand |
| Data stored in compound archive files (easy to manage) | OK | N/A |
| Search entire company, department, user emails | OK | OK |
| Easy search for beginners | OK | OK |
| Expert search using query language | OK | OK |
| Save and restore search queries | OK | OK |
| Automated searching per time period; results delivered by email | OK | OK |
| Infinite scrolling across all archived information | OK | OK |
| Search inside Word, Powerpoint, Excel, PDF, RTF, ZIP, tar, gz and Open Office attachments | OK | Word, Powerpoint, Excel, RTF, PDF, ZIP and OpenOffice attachments |
| Synchronize and display Microsoft Exchange and Gmail/Google Apps folders | OK | - |
| Time machine - View change in folder structure over time | OK | - |
| Import and display PST folders | OK | import only |
| Export emails en bulk to file | OK | OK |
| Restore emails en bulk to mail server | OK | OK |
| Print emails en bulk | OK | OK |
| Delete emails en bulk (authorized user only) | OK | OK |
| View emails and header information | OK | OK |
| Social charts (depicts relations between users) | OK | - |
| Advanced statistics over selected period (e.g. attachment size/type etc.) | OK | - |
| Message conversation threads | OK | OK |
| Define retention policies | OK | OK |
| Index and display journal envelopes | OK | OK |
| Generate comprehensive journal reports in PDF/TIFF format | OK | - |
| Auto & Manual Tagging - Group emails into cases and recall as needed | OK | manual tagging |
| Legal Hold - Protect emails from being deleted by retention policies | OK | OK |
| Send alert on content match | OK | - |
| Access to archive from web console | OK | OK |
| Active Directory and basic authentication | OK | OK |
| LDAP, OpenID Connect, SAML and iMail authentication | OK | LDAP, IMAP, POP3 |
| Windows single sign-on authentication (NTLM v2) | OK | OK |
| 2-factor authentication (2FA) | - | OK |
| Google OAuth authentication | - | OK |
| Fine grained access control | OK | OK |
| Search and retrieval using mobile devices (e.g. iPad friendly) | OK | Ipad, and other tablets are OK |
| Inbuilt SMTP server | OK | OK |
| Inbuilt Sendmail / Postfix milter server | OK | OK |
| Inbuilt POP / IMAP client | OK | OK |
| Web services API | OK | - |
| Search through detailed audit logs | OK | OK |
| Email status alerts | OK | - |
| Real-time status info | OK | OK |
| Real-time status charts | OK | OK |
| Standard JMX monitoring interface | OK | N/A |
| Message attachment stubbing | OK | - |
| Access archive from Outlook (Outlook plugin) | OK | - |
| Multiple Exchange servers | OK | OK |
| Multiple Exchange stores | OK | - |
| Direct import from MS Exchange, Google Apps, EML, MBOX, MSG, PST | OK | IMAP, POP3, EML, mbox, PST |
| Export to EML, MSG, PDF, TIFF and PST (with folder structures) | OK | EML, PDF |
| Export search results to CSV format | OK | - |
| Fast search (half a billion messages < less than 3 sec) | OK | not heard of such a huge real world archive…yet |
| Fast archiving (greater 200 messages/sec) | OK* | depends on the allocated resources |
| Scales to 60,000 users and beyond | OK* | depends on the allocated resources |
| Clustering & HA | OK | - |
| Route traffic across multiple servers | OK | - |
| Deploy redundant servers as needed | OK | OK |
| Passwords hashed & encrypted | OK | OK |
| Role based access control | OK | OK |
| Support for TLS where possible | OK | OK |
| Inbuilt certificate management | OK | N/A |
| Antivirus scanning | OK | OK |
| Multiple language support (English, German, Russian, etc.) | OK | OK |
| Internationalized indexing and searching | OK | OK |
| Easy setup & configuration | OK | OK |
| Runs on most operating systems | OK | Unix only |
| Use of open standards, no proprietary formats | OK | OK |
| Automatic updates | OK | - |
| Appliance mode (define mount points, network settings, etc.) | OK | OVA |
| Online help | OK | - |
| Native Multi-tenant (for ISP hosting) | OK | - |
| On Premise and Cloud Available | OK | on premise |
| Microsoft Exchange 2000/2003/2007/2010/2013, Office 365, Google Apps, Postfix, Sendmail, Qmail, iMail, Lotus Notes, AXIGen, Communigate Pro, Neon Insight, Zimbra and others | OK | most of them |
| All versions of Windows, Linux, Solaris, Mac OS X | OK | Linux, FreeBSD, Solaris |
| Tried and tested on Vmware | OK | OK |
