There are several important release notes to be aware of before upgrading to this version.
IMPORTANT: An added security measure was put in place to prevent uploading of unsafe attachments (2.0.1837)
Version 2.6.2167 (Dec 14, 2005)
Fixed: A 451 return code from a remote mail server would cause timeouts, which occasionally caused message delivery failures
Fixed: Attachment names in non-latin character sets may not display correctly
Fixed: Attachments with names containing characters that are not allowed in Windows filenames could not be opened
Fixed: If a content filter delivered to a subfolder that no longer existed, the message would loop being delivered to the Inbox
Fixed: Senders address could be truncated during delivery of messages.
Fixed: Sony Ericson phones issue an IMAP command that was not correctly implemented by SmarterMail
Version 2.6.2119 (Oct 27, 2005)
Added: Automatic update notification service added to SmarterMail. Administrators will be notified when updates are available
Changed: If there are more than 500 users on a domain, the primary domain admin dropdown box turns into a textbox for easier use
Fixed: "Skip intra-domain spam checks" option was not adding spam weights properly when set to false
Fixed: A potential looping issue was addressed when dealing with outgoing gateways
Fixed: After replying to a message in webmail, SmarterMail returns you to the folder you were in before composing the reply
Fixed: IMAP command ALL was returning incorrect information
Fixed: Session state was not getting fully cleared out when logging in to webmail, leading to some caching issues
Fixed: The first delivery retry time was being skipped
Fixed: When adding alias members, the "Bypass Forward Blacklist" option for the domain was not being taken into account
Fixed: When composing a message, if you click Add Files and add add an attachment or cancel, the spell checker no longer works
Fixed: When using the SmarterMail Web Server (not IIS), downloading list subscribers did not function properly
Version 2.6.2012 (Jul 5, 2005)
Fixed: "Allow domain override" checkbox was not correctly reflecting setting.
Version 2.6.2004 (Jun 28, 2005)
Added: An option in mailConfig.xml (no interface setting) allowing an admin to use the dns lookup component from version 1
Added: Web service functions were added to set and remove a domain forwarding block using the target server rather than a block ID
Changed: Links in messages will open in a new window changing the url of the current one
Changed: Restarting SmarterMail is no longer necessary after changing DNS settings
Changed: SPF Pass weight value is always deducted from the weight total even if the weight given is positive
Changed: The 'who can post' option when creating a list is now defaulted to 'Moderator Only'
Fixed: A problem with activation on some servers where the default system language was not English
Fixed: A security issue where a domain admin could potentially change the name and signature for a user in a different domain on the same server
Fixed: Adding a user with an apostrophe in the username would error
Fixed: An IMAP command to fetch messages would error in cases where there are no messages in the selected folder
Fixed: DNS servers specified in General Settings were not being used
Fixed: Messages with more than one occurrence of a return-path field in the header prevented SPF checks from running correctly
Fixed: Option to skip intra-domain spam filtering on the global Spam Options page wasn't being used
Fixed: Setting and extremely high 'Max recipients per message' value for a list would cause an out of memory exception when a message is sent to the list
Fixed: SmarterMail displayed "This message has been removed from the server" in messages with invalid Quoted Printable encoding
Fixed: The autoclean feature rarely didn't always remove the oldest messages first
Fixed: The bounce message on messages sent to non existent local addresses gave the wrong reason
Version 2.6.1921 (Apr 6, 2005)
Added: Blocking forwards to specific domains supported. Added to assist those companies getting blocked by AOL for user-forwards.
Added: New fields created on Settings -> General Settings to restrict bouncing and auto-responders system-wide. Created to adapt to new recommendations put forth by SpamCop and other RBLs. New default is to not allow bouncing or auto-responses to catch-alls.
Changed: Attachment content filters now properly detect attachments without the disposition tag.
Changed: FireFox compose window was narrow when using plain text mode.
Changed: Improved performance of multiple-message moving, deleting, and marking/unmarking as spam from webmail interface.
Changed: Increased clarity on bounce messages.
Changed: Multi-line content filter boxes were doubled in size to make it easier to edit.
Changed: Removed the "Maximum size of all files is 5 MB" from upload page.
Changed: TO field is automatically focused when entering compose screen.
Fixed: A corrupt .cfg file could rarely cause a very large .grp file to be created or other folder oddities.
Fixed: A high-CPU problem involving SPF checks was resolved.
Fixed: Certain "text/plain" emails would not show up in webmail.
Fixed: Editing a user as a domain administrator now allows you to specify multiple forwarding addresses, and includes the spam forward option box.
Fixed: Failed connections to external mail servers were being incorrectly logged as succeeding.
Fixed: When viewing messages in a folder, that folder name does not appear in the "move to folder" combo box.
Version 2.5.1874 (Feb 17, 2005)
Added: SPF filter types added to Spam Checks
Changed: Bounce message from content filters and spam filtering was changed to better indicate why the email bounced.
Changed: If a primary domain administrator does not exist when logging into a domain from the system admin account, a friendly message is shown.
Changed: Increased default timeout for attachment uploads
Changed: More detail added to the reason a user, alias, or list could not be added
Changed: Raw content and Headers views now show the contents indented and line-fed exactly as the original message was sent
Changed: Response code to disabled EXPN and VRFY commands to conform to RFC
Changed: Response code to mailbox or domain size exceeding storage limits changed to conform to RFC
Fixed: Deleting a domain forwarding block through the web interface also cleared out the domains in the other blocks
Fixed: Fixed a bug where a mailbox with an auto-responder set with "once per day per sender" can cause duplicate messages to be sent to the account (introduced in 2.0.1837)
Fixed: Fixed a bug where auto-responders would not be sent when you have a forward set up with "delete on forward" enabled.
Fixed: Installer no longer requires an uninstall/reinstall. Upgrading works properly. Installations using IIS should stop IIS during the upgrade process.
Fixed: Manually removing a message from the spool will now remove it from the spool page
Fixed: More types of inline images can be viewed through the web mail interface, including those generated by SmarterStats.
Fixed: Outlook express was receiving an error when trying to subscribe to a folder that was already in the list
Fixed: Text encoding now applies to incoming messages when the messages do not contain a proper encoding method (like Hotmail). This fix applies only to the body text of the message.
Version 2.0.1837 (Jan 11, 2005)
IMPORTANT: An added security measure was put in place to prevent uploading of unsafe attachments
Added: A new content filter was added for "Message size under X bytes"
Added: A new user-level option has been added to not forward email if it fails spam checks
Changed: X-rcpt-to is now set to the original address instead of the final destination address if it does not exist in the TO or CC fields
Fixed: A rare interface bug was fixed when accessing the spool page after modifying a user with a period in their name
Fixed: An auto-responder bug was fixed where the address in a reply-to field could be parsed incorrectly
Fixed: Domain forwarding to an alias did not work properly
Fixed: Resolved an issue that may cause SmarterMail to send mail to itself (critical update)
Fixed: The "attachment extenstion" content filter was not properly identifying certain types of attachments
Fixed: Uploading attachments over slow connections should no longer cause the browser to stall
Version 2.0.1816 (Dec 21, 2004)
Added: Domain forwarding feature added that allows you to forward mail for specific domains to other servers.
Changed: Improved memory usage and efficiency of remote delivery mechanism.
Fixed: A rare issue involving the bayesian filter definition file locking was resolved.
Fixed: SMTP was adjusted to remove extra spaces from transmission.
Version 2.0.1797 (Dec 3, 2004)
Added: New web service added to query domain default settings
Changed: A command-line window will no longer pop up when running for messages in the spool
Changed: Domain aliases are immediately cleared when their referenced domain is deleted.
Changed: Relay option "Only local hosts" changed to "Only local domains" for clarity.
Changed: The "Has Attachments" filter now ignores winmail.dat
Changed: The "log write caching" option was removed from the web interface
Fixed: A bug in the Current Blocks page has been resolved
Fixed: An IMAP issue with Treo cell phones was resolved
Fixed: Certain characters un usernames (plus, pound, and ampersand) would cause problems in web mail.
Fixed: Statistics may now be queried across month boundaries for non-US date formats
Version 2.0.1780 (Nov 15, 2004)
Added: For installations that map a unique IP to each domain, the user can login without the domain part of their email address for POP, IMAP and SMTP.
Added: Max timeout for command-line executable was added, after which exe spawned will be killed.
Changed: Command-line exe option now executes as part of the delivery threads. Number of concurrent threads is controlled by max number of delivery threads.
Changed: WinMail.dat is now filtered out of the attachments list in webmail.
Fixed: An infrequent delivery error corresponding to errors after messages sent was resolved.
Fixed: DNS records will not be cached upon error or upon empty DNS.
Fixed: My Content Filtering and My Spam Filtering menus were not being hidden if disabled at the domain level.
Fixed: Web service for user statistics now accepts aliases.
Version 2.0.1754 (Oct 20, 2004)
Added: A web service was added to manage domain administrators.
Added: Text Encoding variable in My Settings now allows webmail users to send mail in other encoding types, like Arabic, Big-5, etc.
Fixed: A very rare issue with very large .grp files was resolved.
Fixed: An issue with IMAP and POP for servers running on non-English locales was resolved.
Fixed: Content filter for IP range was not functioning properly
Fixed: Gateways now have additional protection against relay loops.
Version 2.0.1733 (Sep 29, 2004)
Added: Delivery Timeout option added to General Settings that gives finer control over the delivery service.
Fixed: "Enable hover bar in tables" option in My Settings now properly saves setting.
Fixed: An IMAP issue with Thunderbird was resolved.
Fixed: An issue with [No Subject] emails being added into mailboxes was resolved.
Fixed: SmartHosting occasionally failed to redirect mail.
Version 2.0.1721 (Sep 17, 2004)
Fixed: A display issue with the sidebar on Netscape and Mozilla browsers was resolved.
Fixed: Adding, enabling, or disabling a spam check did not take effect until service was restarted. Change now takes effect immediately.
Fixed: An issue with [No Subject] emails being added when more than 100 messages per day are received was resolved.
Fixed: Blackberry devices were receiving duplicate messages when using the IMAP protocol.
Fixed: Certain non-translatable elements were added to translation table.
Fixed: Changing weights of Bayesian Filtering or Reverse DNS checks at the system level did not save correctly.
Fixed: Duplicates were sometimes appearing in IP address dropdown of Edit Domain page.
Fixed: Search results page did not navigate correctly to non-Inbox search hits.
Fixed: Text added to subject line on spam filtering would not be correctly parsed by content filtering.
Version 2.0.1714 (Sep 10, 2004)
Fixed: DNS server options were added in to the web interface in General Settings to aid those whose server was not correctly identifying them.
Version 2.0.1713 (Sep 9, 2004)
Added: Additional Statistics to monitor your servers usage such as Messages Delivered etc.
Added: Advanced content filtering
Added: Completely redesigned interface
Added: Folder auto-clean to keep those Junk E-Mail and Deleted Items folders in check
Added: Full HTML / Plain Text viewing and composing
Added: Intuitive spam filtering
Added: Live server diagnostics in sidebar
Added: Multi-language interface with new translations being added all the time