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Feature Comparison Chart for IMAP Version, POP Version

Legend : Supported - :N/A X: Not Supported

  IMAP Version POP Version
Protocol Supported
SMTP
SMTP-AUTH
SMTP over SSL *New ○ V3.3 or higher ○ V3.3 or higher
POP3
POP before SMTP
POP over SSL *New ○ V3.3 or higher
IMAP4
IMAP over SSL *New ○ V3.3 or higher
User Interface
HTML5 (on PC Browser) V3.0 or higher V3.0 or higher
HTML5(on Tablet Browser) *New ○ V3.3 or higher ○ V3.3 or higher
HTML5 (in Smartphone Browser) ○ V3.1 or higher
(Only Available in Japanese)
○ V3.1 or higher
(Only Available in Japanese)
CHTML (on Mobile Phone Browser)
(Only Available in Japanese)

(Only Available in Japanese)
Denbun Gadget (desknet's Portal Gadget) ×
Tools
Composing Message
Receiving Message
Sending Message
Find Messages
Hierarchical Folder Management
Folder Management Account by Account
Signature
Preventing Junk E-mail
Filtering
Preventing Executing Scripts Embedded in HTML Messages
Support Many Character Encodings (Receiving/Sending)
Connection Pooling
Address Book Private Public/Private
Address Book (Import/Export)
Sending Message to Group
Search in Contacts in LDAP Server ×
User List ×
Showing Disk Usage
Drag & Drop Support When Selecting Attachment Files (uses ActiveX control)
Single Sign-on from desknet's Standard Version
Shared Link
Downloading Messages Feature
Japanese/English/Chinese User Interface *New ○ V3.3 or higher ○ V3.3 or higher
Japanese/English Translation
*Notice of the Japanese English translation feature of Denbun offer ends
V3.0 or higher V3.0 or higher
Undo Send (Cancel after Sending) V3.0 or higher V3.0 or higher
Display Number of Unread Messages in Sub-folder V3.0 or higher V3.0 or higher
Administration Features
User Import
Group Import
Account Import
Individual Disk Space Limitation
Keeping Messages
Deleting Old Expired Message in Trash
Access Restriction by Mobile ID authentication

System Configuration

IMAP Version: When "Denbun Server" gets a request from user's browser, it sends IMAP protocol commands to the mail server in order to get information for appropriate mail box. Then, web contents is generated from the information received, and displayed on user's browser. Basically mail data is stored in mail server only.
Stability operation with our original connection pooling. We recommend it for large scale implementations.

About IMAP Version

POP Version: When "Denbun Server" gets a request from user's browser, it receives messages from the mail server by using POP3 protocol.This enables users to create more than one account and limit the disk space usage.
All you need is Denbun.It's suitable as your first WebMail system.

About POP Version