This is a pre-release build and some features do not work yet on OS X Mavericks. Please read up-to-date information on the Attachment Tamer web site:

→ OS X 10.9 Mavericks support and pre-release builds

version 3.1.14b9, pre-release build for OS X 10.9 Mavericks:

• compatibility with the OS X 10.9.5 (Mail 7.3) update to the same extent as previous pre-release builds
• code signatures updated according to 10.9.5 and Yosemite Gatekeeper security requirements

version 3.1.14b8, pre-release build for OS X 10.9 Mavericks:

• compatibility with the OS X 10.9.4 (Mail 7.3) update to the same extent as previous pre-release builds

version 3.1.14b7, pre-release build for OS X 10.9 Mavericks:

• bugfixes: several crashing bugs concerning both Mavericks and earlier OS X versions
• compatibility with the OS X 10.9.3 (Mail 7.3) update to the same extent as previous pre-release builds

version 3.1.14b6, pre-release build for OS X 10.9 Mavericks:

• compatibility with the OS X 10.9.2 (Mail 7.2) update to the same extent as previous pre-release builds

version 3.1.14b5, pre-release build for OS X 10.9 Mavericks:

• compatibility with the OS X 10.9.1 (Mail 7.1) update to the same extent as previous pre-release builds

version 3.1.14b3, pre-release build for OS X 10.9 Mavericks:

• compatibility with the variant of OS X 10.9 Mavericks pre-installed on new MacBook Pros
• bugfix: ”Show hidden attachments“ clashed with signed messages

version 3.1.14b2, pre-release build for OS X 10.9 Mavericks:

• fixed a bug that made message contents display as attachments on non-English localizations

version 3.1.14b1, pre-release build for OS X 10.9 Mavericks:

• compatibility with OS X 10.9 Mavericks
• viewing options do not work on 10.9 yet: learn more
• smart handling of incorrect content types (application/applefile, multipart/related)

version 3.1.13:

• preliminary compatibility with the upcoming OS X 10.8.5 update (Mail 6.6 and Message 6.6)
• bugfix: crashes on displaying some complex or malformed messages
• compatibility with GPGMail plug-in version 2

version 3.1.12:

• new advanced option to forward embedded messages via rules
• workaround for installation problems when permissions are incorrect
• workaround for Launchd problems (errors during installation, inability to check updates, enter code)

version 3.1.11:

• new experimental option for fixing text encoding problems in compatible format settings
• new advanced option for preferred text encoding for OS X 10.7 and later (akin to NSPreferredMailCharset)
• preliminary compatibility with the upcoming OS X 10.8.4 update
• bugfix: crashes when displaying some encrypted messages
• better error reporting and other minor improvements

version 3.1.10:

• bugfix: Mail plug-ins sometimes were not enabled during installation
• bugfix: email and attachment formatting with encryption or signing on
• bugfix: aspect ratio of resized portrait images embedded in HTML
• bugfix: registration and update checking when Library/Mail is encrypted or located on a different volume
• other minor bugfixes

version 3.1.9:

• supports Mac OS X 10.6—10.8, drops Mac OS X 10.5 “Leopard” support
• bugfix: images sometimes were not resized regardless of settings
• bugfix: installation for multiple users would rarely fail and recommend restarting
• improved registration code entry

version 3.1.7Leopard:

• free release for owners of Mac OS X 10.5 “Leopard” (unsupported in newer versions of Attachment Tamer)

version 3.1.8:

• compatibility with Security Update 2012-004 for Mac OS X 10.6.8 (Mail 4.6 and Message 4.6)

version 3.1.7:

• improved handling of images in signatures on OS X 10.6, 10.7 and 10.8

version 3.1.6:

• bugfix: file size limits for displaying as icons when composing did not work on OS X 10.8
• bugfix: Insert as Icons did not work on OS X 10.8
• bugfix: attachments could be dropped if inserted at the very beginging of a message
• .m4a attachments are now identified as audio even with incorrect MIME type
• many other minor bugfixes and improvements

version 3.1.5:

• bugfix: site license registration on OS X 10.8
• bugfix: images in signatures sometimes did not display correctly on OS X 10.8

version 3.1.4:

• compatible with OS X 10.8 “Mountain Lion” (Mail 6.0)
• also still compatible with Mac OS X 10.7, 10.6 and 10.5 including PowerPC Macs
• improved handling of AppleDouble files (usually Mac files with custom icons)
• improved error handling for installer and registration
• option to display full attachment names now works reliably with Asian characters
• various other bugfixes and improvements
• code-signed by an Apple-issued certificate

version 3.1.3:

• compatibility with the Mac OS X 10.7.5 update (Mail 5.3 and Message 5.3)

version 3.1.2:

• the option to show hidden attachments now works better with more complex messages
• the “application downloaded from the Internet” messages no longer show up
• better compatibility with other Apple Mail plug-ins
• bugfix: interaction with the stationery feature
• bugfix (another): crashes after sending a message on Mac OS X 10.5 and 10.6
• other minor bugfixes and improvements

version 3.1.1:

• bugfix: crashes after sending a message on Mac OS X 10.5 and 10.6

version 3.1:

• outgoing messages now have better compatibility with Outlook Express and other clients
• outgoing messages with embedded images now always have correct formatting
• “Forward as Attachment” now complies with RFC 1521, compatible with Tunderbird and other clients
• option to show hidden attachments (formerly a hidden option)
• new option to send regular attachments only
• new option to forward complete messages as attachments when forwarding via rules
• bugfix: formatting: line breaks and links
• bugfix: opening pref pane via menu

version 3.0.10:

• bugfix: authentication errors when attempting to register a site license

version 3.0.9:

• bugfix: erroneous messages that multiple copies of the plug-in are installed

version 3.0.8:

• compatibility with the Mac OS X 10.7.3 update (Mail 5.2)
• the Show hidden attachments hidden option works again on Mac OS X 10.7
• more reliable behavior if several copies of Attachment Tamer are installed by mistake
• more reliable update checking
• other minor bugfixes and improvements

version 3.0.7:

• compatibility with the Mac OS X 10.7.2 update (Mail 5.1 and Message 5.1)
• bugfix: placeholders were sometimes missing when using plain text
• bugfix: image-only messages often were not sent correctly (Mac OS X 10.7)
• bugfix: drafts did not preserve attachment state

version 3.0.6:

• fixed issues with attachments inserted from iCal, Address Book, and other applications in Mac OS X 10.7
• fixed issues with attachments dragged from other messages
• extended help

version 3.0.5:

• compatibility with Mac OS X 10.7 “Lion” (GM release)
• other minor improvements

version 3.0.4:

• regular release for Mac OS X 10.5/6, doubles as a beta for Mac OS X 10.7 “Lion”
• updated help
• bugfixes: crashes when sending, other minor problems

version 3.0.3:

• possibility to reset settings to factory defaults
• option to launch Mail after installing or updating
• updated help and other minor changes
• bugfix: replying to messages with attachments in Mac OS X 10.5 (broken in v3.0.2)

version 3.0.2:

• untitled attached messages are automatically named according to their subject
• bugfix: some attachments in complex or malformed messages were not displayed
• bugfix: “Insert attachments: As icons/In place” affected incoming messages Mac OS X 10.5

version 3.0.1:

• improved handling of images in malformed HTML messages
• bugfix: “Insert attachments: As icons” did not apply to PDFs
• bugfix: “Show attachments at the top of message” checkbox did not show correct state
• bugfix: “Show hidden attachments” (hidden option) did not work on Mac OS X 10.6

version 3.0:

• ability to send messages fully compatible with Microsoft Outlook, Exchange and other software
• new options for composing
• new option to show attachment at the top of message
• whole domains can now be added to the list of exceptions
• improved interface
• preliminary compatibility with the upcoming Mac OS X 10.6.7 update (Mail 4.5 and Message 4.5)
• updated readme and help
• new icon and name
• free update for all registered users of Mail Attachments Iconizer 1.x or 2.x

Mail Attachments Iconizer 1.0–2.2.3

version 2.2.3:

• compatibility with the variant of Mac OS X 10.6.6 specific to the new MacBook Pros (Message 4.4.1)

version 2.2.2:

• proper handling of regular image attachments in all incoming HTML messages
• fixes a bug that resulted in “ATT000x” attachments in some messages with complex formatting

version 2.2.1:

• fixes a bug that prevented the preferences panel from displaying on Mac OS X 10.5

version 2.2:

• new options for audio and video files and for attached email messages
• new option to always view files from specific senders in place
• new option to set default size for automatic image resizing
• reorganized preferences
• possibility to unregister
• small improvements in the Installer and elsewhere
• updated readme and help
• correctly displays sent messages when the option to view images in HTML layouts as icons is turned on
• workaround for a bug in Mail that causes rich text messages without formatting to be sent as plain text

version 2.1.11:

• compatibility with the Mac OS X 10.6.5 update (Mail 4.4 and Message 4.4)
• proper handling of images embedded in HTML messages with “attachment” content disposition
• improved registration interface, lost code retrieval

version 2.1.10:

• attachments inserted using commands in external applications (iPhoto, Preview, …) are handled properly again
• attachments dragged to Mail icon in Mac OS X 10.5.8 are handled properly again
• workaround for a bug in Safari 5.0 update that causes black background around attachments
• updated built-in/online help

version 2.1.9:

• images in signatures now displayed in place by default and their state (can be changed via contextual menu) is saved
• fixes problems with uppercase MIME field values (unusually formatted messages)
• no longer interferes with nested messages from winmail.dat extracted by the Letter Opener plug-in
• compatibility with the Mac OS X 10.6.4 update (Mail 4.3 and Message 4.3)

version 2.1.8:

• fixes a bug that caused “squished” images on Mac OS X 10.5.8 when using rich text
• fixes a memory-management bug on Mac OS X 10.5.8, which kept attachment files open
• various interface improvements

version 2.1.7:

• fixes the invisible audio and video attachment bug on 32-bit Intel processors
• fixes interaction with the stationery feature in Mac OS X 10.6
• fixes problems with resized images in drafts in Mac OS X 10.5
• numerous other minor improvements and corrections
• audio and video files now attached as icons by default in Mac OS X 10.6

version 2.1.6:

• Mac OS X 10.6.2 compatibility

version 2.1.5:

• Mac OS X 10.6 “Snow Leopard” compatibility (10.5 compatibility retained, 10.4 dropped)
• better handling of web pages sent from Safari
• the option for text files now also applies to messages sent as attachments
• fixes all-user installation with FileVault home directories
• on Mac OS X 10.6: installation for all users now enables the plug-in for all users
• on Mac OS X 10.6: fixes manual in-place viewing of attachments in incoming messages
• other minor improvements

version 2.1.4:

• removes superfluous empty HTML attachments inserted by Mail (visible in Outlook and Thunderbird)
• fixes a bug that caused a CPU usage increase under rare circumstances
• minor stability and interface improvements

version 2.1.3:

• fixes all-user installation with NFS home directories or when setuid bit not supported
• several common Mail problems now covered by built-in/online help

version 2.1.2:

• better compatibility with the Spaces feature in Mac OS X 10.5
• more reliable installation and removal

version 2.1.1:

• fixes the behavior of image resizing
• improved online help
• several smaller improvements and fixes

version 2.1:

• new option to always display full attachment names
• new option to iconize images in HTML layouts of incoming messages (requires Mac OS X 10.5 “Leopard”)
• printing of attachments according to how they are currently displayed on the screen
• better recognition of images without filename extension
• more reliable fix of interaction with the stationery feature in Leopard

version 2.0.2:

• even images in outgoing rich (HTML) messages can now be iconized (also solves the zoomed image problem in Leopard)
• correct dimming of the “View in Place” menu item for multi-page PDFs
• fixes a bug that caused additional reminders to upgrade a license
• workaround for a bug in Mac OS X 10.5 “Leopard” that might have caused a site license registration to be ignored
• other minor compatibility improvements

version 2.0.1:

• fixes a bug that sometimes prevented rich text messages from being sent (thanks to Jan Almeroth and Enzo Vitale for reporting)
• fixes interaction with the stationery feature in Leopard

version 2.0:

• fine-grained setup based on file type and size
• text/HTML file iconization
• setting content disposition for outgoing mail
• built-in and online help
• automatic checking for updates
• improved installation and uninstallation (available directly from Apple Mail Preferences)
• Mac OS X 10.5 “Leopard” compatibility