Mail is thrashing in 10.10 Yosemite.....

Mail is badly broken in 10.10 Yosemite:
--My primary work mail is provided on an Exchange server, hosted by Microsoft.
--I do have a big mail box with lots of folders (13GB), but it has worked for years.
--Access to this mail server has worked, and continues to work, on a bunch of devices: iMac with Mavericks at work, iPad, iPhone, Outlook on a PC, and browser access through OWA.
--Unfortunately, I upgraded my home machine to 10.10 Yosemite, and the new version of Mail is almost useless:
a. Just keeps consuming cycles -- often more then 100% of a core, slowing down everything. It's constantly synchronizing, or fetching, or ..... but not making much progress.
b. Right now, Sat. am, it shows the most recently retrieved email is from mid-yesterday......
--Mail Connection Doctor says the connection is OK.
--There are reports that the beta for OS 10.10.1 has a focus area on Mail and Exchange; has anyone tried the beta, and found that Mail is improved?
--Instead of waiting for that, does anyone know of a solution that actually fixes this?

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Mac mail not showing jpg attachments after yosemite install

I use Mac Mail and have recently upgraded to Yosemite.
Since upgrading I can no longer view jpg images sent by email from my security camera system. They used to be shown within the message, but since the upgrade to Yosemite they're not shown in the message anymore (well, they are shown in about 1% of messages), even the attachment won't open after saving to desktop.
When I try opening the attachment after I have saved it, it says it may be damaged or use a file format that Preview doesn't recognize.
I can view these images when using outlook on my mac, but preferred the Mail app, as it was easier to view the images in Mail.
Any suggestions on how to fix this?

I have the exact same issue.
Since upgrading I can no longer view jpg images sent by email from my security camera system. They used to be shown within the message, but since the upgrade to Yosemite they're not shown in the message anymore.
When I try opening the attachment after I have saved it, it says it may be damaged or use a file format that Preview doesn't recognize.
I wonder if it has something to do with the file name
Here is an example - 02_20141022141258.jpg
I have no issues viewing the images on my iPhone or iPad
Mac Pro (early 2009) OS X Yosemite

Mail not working since OS X Yosemite download

Mail not working since OS-X Yosemite download! Getting the message ''your mail index has been damaged, to repair it, quit mail'
Same message keeps appearing despite following instructions - need mail for work! Hope someone has the answer please? iPhoto not working either since download.

Back up all data before proceeding.
Triple-click anywhere in the line below on this page to select it:
~/Library/Preferences/MobileMeAccounts.plist
Right-click or control-click the line and select
Services ▹ Reveal in Finder (or just Reveal)
from the contextual menu.* A folder should open with an item selected. Quit the application if it's running. Move the selected item to the Trash. Relaunch the application and test.
*If you don't see the contextual menu item, copy the selected text to the Clipboard by pressing the key combination command-C. In the Finder, select
Go ▹ Go to Folder...
from the menu bar and paste into the box that opens by pressing command-V. You won't see what you pasted because a line break is included. Press return.

Help. My junk mail filter is not working in Yosemite.

AAny suggestions for getting junk mail filters to work?

Well, after the latest update to Yosemite (version 10.10.2 (14C109)) Junk Filters seem to be working again. In the latest update I did not see mention of changes to Mail filters but i could have missed a note from Apple.
One caution, I have had to double check the junk mail folder a bit because the Junk Mail filter has restarted as if from the beginning. That is it has to relearn everything.
R

Preview And Mail Apps Keeps Freezing Up in Yosemite

I've posted before regarding the numerous performance issues that I have since upgrading to Yosemite on my MacBook Pro. I have contacted Apple Support and have even gone to the Genius Bar, but any fixes are always short-lived.
Here's what is happening: When I launch Preview to open something (e.g., a photo), the app freezes up. I also notice that if I go to the Apple Mail app, there is a keystroke lag when I type.   Also, the battery drains down much faster...
Running the Disk Utility/rebooting will fix the problem for a day or so, until it rears its ugly head again...
Any advice would be greatly appreciated.
Here is the EtreCheck Report:
Problem description:
Preview App Keeps Locking Up.
Get ‘spinning wheel’ and keystroke lag when I try to write an email in Apple Mail App.
EtreCheck version: 2.1.8 (121)
Report generated April 19, 2015 at 5:40:03 PM CDT
Download EtreCheck from http://etresoft.com/etrecheck
Click the [Click for support] links for help with non-Apple products.
Click the [Click for details] links for more information about that line.
Hardware Information: ℹ️
    MacBook Pro (Retina, 15-inch, Late 2013) (Technical Specifications)
    MacBook Pro - model: MacBookPro11,3
    1 2.3 GHz Intel Core i7 CPU: 4-core
    16 GB RAM Not upgradeable
        BANK 0/DIMM0
            8 GB DDR3 1600 MHz ok
        BANK 1/DIMM0
            8 GB DDR3 1600 MHz ok
    Bluetooth: Good - Handoff/Airdrop2 supported
    Wireless: en0: 802.11 a/b/g/n/ac
    Battery Health: Normal - Cycle count 107
Video Information: ℹ️
    Intel Iris Pro
        Color LCD spdisplays_2880x1800Retina
    NVIDIA GeForce GT 750M - VRAM: 2048 MB
System Software: ℹ️
    OS X 10.10.3 (14D136) - Time since boot: one day 21:14:36
Disk Information: ℹ️
    APPLE SSD SM0512F disk0 : (500.28 GB)
        EFI (disk0s1) <not mounted> : 210 MB
        Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
        Macintosh HD (disk1) / : 499.05 GB (373.88 GB free)
            Core Storage: disk0s2 499.42 GB Online
USB Information: ℹ️
    Apple Internal Memory Card Reader
    Apple Inc. BRCM20702 Hub
        Apple Inc. Bluetooth USB Host Controller
    Apple Inc. Apple Internal Keyboard / Trackpad
Thunderbolt Information: ℹ️
    Apple Inc. thunderbolt_bus
Gatekeeper: ℹ️
    Mac App Store and identified developers
Launch Agents: ℹ️
    [running]    com.fujitsu.pfu.ScanSnap.AOUMonitor.plist [Click for support]
Launch Daemons: ℹ️
    [loaded]    com.adobe.fpsaud.plist [Click for support]
    [loaded]    com.microsoft.office.licensing.helper.plist [Click for support]
User Login Items: ℹ️
    iTunesHelper    Application (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
    ScanSnap Manager Evernote Edition    Application (/Applications/ScanSnap Evernote Edition/ScanSnap Manager Evernote Edition.app)
Internet Plug-ins: ℹ️
    SharePointBrowserPlugin: Version: 14.4.8 - SDK 10.6 [Click for support]
    FlashPlayer-10.6: Version: 17.0.0.169 - SDK 10.6 [Click for support]
    Flash Player: Version: 17.0.0.169 - SDK 10.6 [Click for support]
    QuickTime Plugin: Version: 7.7.3
    Default Browser: Version: 600 - SDK 10.10
3rd Party Preference Panes: ℹ️
    Flash Player [Click for support]
Time Machine: ℹ️
    Mobile backups: OFF
    Auto backup: NO - Auto backup turned off
    Volumes being backed up:
        Macintosh HD: Disk size: 499.05 GB Disk used: 125.17 GB
    Destinations:
        Data [Network]
        Total size: 2.00 TB
        Total number of backups: 35
        Oldest backup: 2015-02-14 00:16:02 +0000
        Last backup: 2015-04-01 18:24:39 +0000
        Size of backup disk: Excellent
            Backup size 2.00 TB > (Disk size 499.05 GB X 3)
Top Processes by CPU: ℹ️
       100%    mds
         1%    WindowServer
         1%    Safari
         0%    fontd
         0%    launchd
Top Processes by Memory: ℹ️
    155 MB    Preview
    137 MB    Mail
    120 MB    Safari
    86 MB    Finder
    69 MB    Quicken 2015
Virtual Memory Information: ℹ️
    9.22 GB    Free RAM
    5.14 GB    Active RAM
    331 MB    Inactive RAM
    1.56 GB    Wired RAM
    9.52 GB    Page-ins
    98 KB    Page-outs
Diagnostics Information: ℹ️
    Apr 19, 2015, 01:05:19 PM    /Library/Logs/DiagnosticReports/mds_2015-04-19-130519_[redacted].cpu_resource.d iag [Click for details]
    Apr 18, 2015, 02:58:14 PM    /Users/[redacted]/Library/Logs/DiagnosticReports/Safari_2015-04-18-145814_[reda cted].crash
    Apr 17, 2015, 08:21:01 PM    Self test - passed
    Apr 17, 2015, 07:58:56 PM    /Library/Logs/DiagnosticReports/mds_2015-04-17-195856_[redacted].cpu_resource.d iag [Click for details]
    Apr 17, 2015, 07:46:03 AM    /Library/Logs/DiagnosticReports/Photos_2015-04-17-074603_[redacted].cpu_resourc e.diag [Click for details]
    Apr 10, 2015, 07:06:36 AM    /Library/Logs/DiagnosticReports/Kernel_2015-04-10-070636_[redacted].panic [Click for details]

Back up all data before proceeding.
1. Triple-click anywhere in the line below on this page to select it:
~/Library/Mail/Bundles
Right-click or control-click the highlighted line and select
          Services ▹ Open
from the contextual menu.* A folder may open, or you may get an error message that the item can't be found. Either result is normal. If the folder does open and has contents, move the contents to the Desktop. Relaunch Mail and test. If there's no change, put the contents of the folder back and quit Mail again.
2. Repeat with this line:
/Library/Mail/Bundles
This time you may be prompted for your administrator login password when you remove the items. Make sure they're removed from the folder and not just copied to the Desktop. If necessary, copy them first and then move the originals to the Trash.
*If you don't see the contextual menu item, copy the selected text to the Clipboard by pressing the key combination command-C. In the Finder, select
          Go ▹ Go to Folder...
from the menu bar and paste into the box that opens by pressing command-V. You won't see what you pasted because a line break is included. Press return.

Mail thread in Apple mail not working after updating to Yosemite

I just upgraded to Yosemite a couple of days ago and I noticed that my mail threads are not working properly. Instead of having threads categorized by the subject line, I have thousands of emails in just ONE thread that are completely irrelevant to each other. I have deleted my email accounts completely and reinstalled them from scratch and they still have the same problem after my emails are dowloaded from my IMAP server. I have also tried to rebuild the email account and the same problem happens. I get around 700 - 800 emails a day so the thread function is extremely crucial for me to be able to track all of my emails, but there is no way to do it now when everything is bunched together.
Anyone else running into the same issue? I am using a third party host (Bluehost) as my hosting service, but this problem never came up on the previous operating systems or my IPHONE. Those still work just fine.
Thanks
S

The longest thread about this seems to be this one: LINK
Best course of action now is to describe the problem to apple in the feedback form: LINK

"Large" Mail Attachments are Too Small in Yosemite

Since using Yosemite (10.10.1), when I attach a photo to a Mail (8.1) message, and then choose one of the options to change the Image Size from Actual Size to Large, the photo shrinks way too much. For example, an 8.4 MB .jpg file shrank to 285 KB when selecting the Large option. Before Yosemite, the reduction was not as much, and the resulting image was far more useful to the recipient. These are practically thumbnails. How can I adjust the size of "Large" Image Sizes to make them bigger?
I have not found any other reports of this problem. I recall once learning how to change the size of the Quartz filters used to reduce Preview images, and I image something similar is going on.
Tom Cooper

This isn't an issue with Mail, it's those people who are using a PeeCee and Outlook, which is set to render all email as HTML, even if it isn't. Apart from having your recipients set Outlook to treat everything as Plain Text, you should create .zip archives of the files you're sending and send those instead.
Mulder

How to Drag and drop Mail message in Calendar event in Yosemite

Hi,
I am not sure if this has already been answered or if Yosemite Mail is missing one cool feature. In Mavericks and before, it was every easy to drap and drop a email message to a calendar event in the "URL" attachment section where it appeared as "Show in Mail..." in the event. But now, I don't find this drap-and-drop feature anymore?
The other alternative is to create a event from the Mail message content if there is a date (like 12/12/14) specified. But what about messages which do not have dates in them but I still want to attach the email to a calendar event?
Please chime in if others are also experiencing the same pain in Yosemite or if there is any other easier trick?
Thanks!

Hi Vivman,
You have duplicated this post here. Please do not post the same question to separate forum post.
Cheers.
| Michael K | Project Manager | LabVIEW R&D | National Instruments |

Apple Mail client app (version 8.0) using 100%+ of CPU upon using mail drop (13" R-MBP running Yosemite 10.10)

Hello Support Community,
I am having quite the interesting issue. I have read plenty of reports where users' Apple Mail app is using 100% of CPU. This did not start for me until I went to go use the new mail drop feature in Yosemite. I am running Yosemite (10.10) on my 13" Retina - MacBook Pro (flash storage, 8GB RAM, 2.4 dual-core Intel i5) and my Apple mail is version 8.0. I have tried 3 different mail services (2 gmail accounts and iCloud), all result in the same issue. I have also done a complete erase of the hard disk and a brand new install of Yosemite, the issue persists.
As previously stated my mail app is using 100% upon, and only while, using the mail drop feature. If I force quit the mail app and allow it a minute, the mail app returns to using less than 1% of the CPU and the app and entire system resume normal function. Upon attempting to resend the same message that is placed in my outbox the CPU usage jumps to 50-80%. After a few seconds, the CPU usage will sometimes jump higher than 100%, ranging from 130% - 199%. All of these observations were made using Activity Monitor. Of course you can see my frustration, an app using this much CPU stops every process my Mac is doing (using safari, messages, iTunes etc.) - the whole computer locks up. Even force quitting is a difficult process to attempt.
Does anyone have a fix for this? I am at a loss and have no idea what to do. I am a pretty tech savvy guy and have tried everything that I would've thought would fix this. Is there anyway this could be a hardware issue? I don't think so but... all possibilities need to be taken into consideration, even though that one seems outlandish. Upon creating a new user account with a separate user library (but same system library) I figured the OS was the problem. I can't narrow it down to being a specific mail provider, and it can't be my OS since I have now erased and reinstalled 10.10 twice. Thank you!

I have this same issue. It has been driving me insane, Mac Mail uses 100% CPU most of the time I use it, after every time I open the machine, or after a sleep or even mostly after a screen saver has locked me out. It normally settles down after 5-15 minutes, but then happens every time again. It is killing my battery.

Apple Mail client (version 8.0) using 100%+ CPU upon using mail drop (13" R-MBP running Yosemite 10.10)

Hello Support Community,
I am having quite the interesting issue. I have read plenty of reports where users' Apple Mail app is using 100% of CPU. This did not start for me until I went to go use the new mail drop feature in Yosemite. I am running Yosemite (10.10) on my 13" Retina - MacBook Pro (flash storage, 8GB RAM, 2.4 dual-core Intel i5) and my Apple mail is version 8.0. I have tried 3 different mail services (2 gmail accounts and iCloud), all result in the same issue. I have also done a complete erase of the hard disk and a brand new install of Yosemite, the issue persists.
As previously stated my mail app is using 100% upon, and only while, using the mail drop feature. If I force quit the mail app and allow it a minute, the mail app returns to using less than 1% of the CPU and the app and entire system resume normal function. Upon attempting to resend the same message that is placed in my outbox the CPU usage jumps to 50-80%. After a few seconds, the CPU usage will sometimes jump higher than 100%, ranging from 130% - 199%. All of these observations were made using Activity Monitor. Of course you can see my frustration, an app using this much CPU stops every process my Mac is doing (using safari, messages, iTunes etc.) - the whole computer locks up. Even force quitting is a difficult process to attempt.
Does anyone have a fix for this? I am at a loss and have no idea what to do. I am a pretty tech savvy guy and have tried everything that I would've thought would fix this. Is there anyway this could be a hardware issue? I don't think so but... all possibilities need to be taken into consideration, even though that one seems outlandish. Upon creating a new user account with a separate user library (but same system library) I figured the OS was the problem. I can't narrow it down to being a specific mail provider, and it can't be my OS since I have now erased and reinstalled 10.10 twice. Thank you!

I have this same issue. It has been driving me insane, Mac Mail uses 100% CPU most of the time I use it, after every time I open the machine, or after a sleep or even mostly after a screen saver has locked me out. It normally settles down after 5-15 minutes, but then happens every time again. It is killing my battery.

Mail acting strange in OS X Yosemite?

Since installing OS X Yosemite (Version 10.10) Mail (Version 8.0 (1990.1) has been acting strangely. It freezes and I have to force quit. Mail will prevent a shut down or restart unless I force quit it. I've been into Mail preferences and reset everything - including handling junk. Anyone else getting this? I've sent the report of each incident to Apple.

pls try this
Select a mailbox, then choose Mailbox > Rebuild.

Exchange mail very slow on OS X yosemite

Often when a system update comes out, Mail is the culprit in each release. This release is no exception. I updated to OS X Yosemite and accessing my emails through Mail is painful if not nearly impossible. Exchange connects without error and syncs up all services without a problem - except Mail which is constantly pushing requests to Fetch information from the server, constantly syncing. As a result it means I can't read my email let alone reply to them.
I removed my exchange account and delete my Mail cache and local folders, readded the account, but still no joy.
IS anyone else have issues with this or simply me ?

I have a similar problem. Mail is very slow performing actions on Exchange server such as deleting mail, fetching mail. It is very slow even sowing the rainbow spinner often when performing an action. This is an upgrade from Mavericks on a Mac Mini (late 2012) with a 2.6GHz i7 quad core CPU. It is connected to an Exchange Server 2010. When I use connection doctor it takes a very long time to show a connected message.
I have tried deleting the account and re creating it but the problem persists.
The issue does not exist on Airmail 2 connected to the same Exchange Server on the same computer nor does it happen on an MacBook Air 11 (mid 2012) where the Yosemite install is an upgrade from Yosemite Beta 6.
Any ideas how to fix this?

Mail no relaunching after force quit - Yosemite

Had to Force Quit mail in Yosemite because Print PDF to mail crashed the app. Now cannot relaunch Mail. Just sits in the menu bar and cannot click on it.
Have to restart the computer...

Try the following;
Repairing the Hard Drive and Permissions
Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Installer menu (Utilities menu for Tiger and Leopard.) After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer. Now restart normally.
If DU reports errors it cannot fix, then you will need Disk Warrior (4.0 for Tiger, and 4.1 for Leopard) and/or TechTool Pro (4.6.1 for Leopard) to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
If DU cannot fix the sibling link error (it may not) and you don't have Disk Warrior then you may attempt this suggestion: Fix Invalid Sibling Link.
If these all fail then you will have to reformat the drive and reinstall OS X from scratch. You may be able to recover your personal files if your computer has a Firewire port, and you have access to another Mac with a Firewire port. You can then use Target Disk Mode to try and access the drive on your computer and copy off your personal files.

Mail terribly slow after upgrading to Yosemite

Is there a way to correct the problem. There is quite a lag even while scrolling down to different messages. I have actually ended up deleting the wrong message due to this. It is a gmail account accessed via the Mail App on a MacBook Pro laptop.
Also, the delay is even more significant when switching to different accounts on the sidebar. This problem didn't exist with Mavericks, only since upgrading to Yosemite.
Thanks for any ideas.
BB

Please follow these directions to delete the Mail "sandbox" folders. In OS X 10.9 there are two sandboxes, while in 10.8 there is only one. If you're running a version older than 10.8, this comment isn't applicable.
Back up all data.
Triple-click anywhere in the line below on this page to select it:
~/Library/Containers/com.apple.mail
Right-click or control-click the highlighted line and select
Services ▹ Reveal
from the contextual menu.* A Finder window should open with a folder named "com.apple.mail" selected. If it does, move the selected folder—not just its contents—to the Desktop. Leave the Finder window open for now.
Log out and log back in. Launch Mail and test. If the problem is resolved, you may have to recreate some of your Mail settings. You can then delete the folder you moved and close the Finder window.
Important: This action will delete any custom Mail stationery that you created. If you want to preserve that data, ask for instructions.
If you still have the problem, quit Mail again and put the folder back where it was, overwriting the one that may have been created in its place. Repeat with this line:
~/Library/Containers/com.apple.MailServiceAgent
Caution: If you change any of the contents of the sandbox, but leave the folder itself in place, Mail may crash or not launch at all. Deleting the whole sandbox will cause it to be rebuilt automatically.
*If you don't see the contextual menu item, copy the selected text to the Clipboard by pressing the key combination command-C. In the Finder, select
Go ▹ Go to Folder...
from the menu bar and paste into the box that opens by pressing command-V. You won't see what you pasted because a line break is included. Press return.

Mac Mail slow to sync after upgrade Yosemite 10.10.2 and OS X Server 4.0.3

We have deployed server OS X Server 4.0.3 and all client computer configured with DNS, Open Directory and Mail Server of OS X Server 4.0.3. It is quick to deliver mail before upgrade. And it is quick to deliver mail from iOS now. But it too slow to use Mac Mail. Even send to myself from intranet it costs 3 mins.

I have no solution but have experienced failing sync settings (quite often) in both 10.6 Server and 10.9 + Server 3 (upgraded from 10.6 Server) in the same way as you described, it syncs too much. We have given up on synched home folders and will cut them and use other backup methods since we’re not so dependant on switching between different devices. Our users usually have one computer, one iPhone, one iPad and stay with those until it’s time to exchange them.

Mail is thrashing in 10.10 Yosemite.....

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