Maverick mail very slow

I have system 10.9.5 on my macbook pro and it takes 4 or 5 times to download my email (just a couple, I don't get a lot) on my macbook pro than it does on my
on my iMac with system 10.6.8 and on my ipads. Does anyone know how to improve this?
Thank you,
Martha

Power Cycle
Power off the router. Unplug it from the wall. Wait a while.
Plug it back to the wall. Power the router on. Wait until all the lights are lit properly. It will take a while.
Restart the computer.
Start up in Safe Mode.
http://support.apple.com/kb/PH14204?viewlocale=en_US

Similar Messages

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?

Mac Mail very slow when waking

Hello
Mac Mail is very slow on my machine, just stalls and gives me the spinning wheel for several minutes. Usually it is when the machine has woken up; it appears that it is trying to do background tasks (like fetching mail) while this is going on but I am unable to switch to Mail for quite a long time. I sometimes see notifications of new mail in this period, equally it sometimes shows in Activity Monitor as "not responding" (although if I wait it eventually comes back).
It is runnning on a brand new MBP retina, lots of RAM, disk and processor available.
It collects mail from four mailboxes, three of them are Exchange and one is IMAP. None are massively high volume, kind of normal to low usage for the average person I guess. I did rebuild the database a while ago, but it just lost lots of mail which then needed to be slowly re-downloaded. I gave up on Outlook (on my previous machine) for being generally crashy, dysfuctional and annoying but now Mail isn't far behind.
Contacts, which I just leave open in the background quite often, also seems to be having trouble staying alive. Often "not responding" and requires a forced quit.
Any suggestions?
Dominic

Please follow these directions to delete the Mail "sandbox" folder.
Back up all data.
Quit Mail.
Triple-click the line below 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.
Relaunch Mail and test. If the problem is resolved, you'll have to recreate some of your Mail settings. You can then delete the folder you moved and close the Finder window. 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. Post your results.
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.

Mac Mail Very Slow (Spinning ball)

Hi -
My Mac Mail has gotten very very slow lately when first opening the app, or returning to the app after a long rest.
The ball starts spinning and it takes about 2-3 mins before I can use mail.
My mail database is very very large. 20GB, so I assume that is part of the problem. I did rebuild but that didn't seem to help.
Any ideas on how I can handle that, other than dumping my archive?

Please follow these directions to delete the Mail "sandbox" folder.
Back up all data.
Quit Mail.
Triple-click the line below 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.
Relaunch Mail and test. If the problem is resolved, you'll have to recreate some of your Mail settings. You can then delete the folder you moved and close the Finder window. 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. Post your results.
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.

Sending mail very slow after 10.9.5 upgrade.

I upgraded to 10.9.5 yesterday and ever since then, sending mail (using Mail.app) is very, very slow or the emails do not get sent and stay stuck in my Outbox.
Is anyone else experiencing this?
I've deleted my iCloud account and re-added it and it didn't help.

Troubleshooting sending and receiving email messages
Troubleshooting sending email messages

Mac mail very slow

Mac Mail is suddenly sending mail very slowly. After hitting send, it takes as much as 2 minutes to send. Any solutions??

Please follow these directions to delete the Mail "sandbox" folder.
Back up all data.
Quit Mail.
Triple-click the line below 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.
Relaunch Mail and test. If the problem is resolved, you'll have to recreate some of your Mail settings. You can then delete the folder you moved and close the Finder window. 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. Post your results.
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.

Outgoing mail very slow

When I send an email. The wheel spins for quite awhile before the message leaves. This is a relatively new problem. I'm not sure if it started when I installed 10.5

MAC Mail, for some reason, wants a DNS server setting in the network setup.
Under System Preferences, go to Network and add your DNS numbers for your ISP Server. Get the right numbers from your ISP. I did a search for "DNS" on the ATT/YAHOO member web site.
This fixes the slow checking and sending of mail....It also fixes problems where mail sends slow and may give Authentication errors.
I spent many hours on this and finally the answer was posted on this forum.
Public DNS servers are less likely to be changed. They have been tried and do work. Nobody knows why.
For Public DNS servers look at.
http://www.tech-faq.com/public-dns-servers.shtml

Macbook Pro 2010 Mavericks running very slow

Been having some trouble with my machine for a while now. Mostly seems related to internet programs. Google chrome, kernel task or this proccess will take up all of my processor power. Switching windows will sometimes hang, and when I try and restart my computer applications will need to be force quit to shut down. Applications that don't take up many proccesses, and operate fine normally.
Had something similar happen before my reformat. Had similar issues under mountain lion. Installed Mavericks, hoping it might help (and wanting a few of the new functions) but it didn't change it. Reformatted, and installed all apps from scratch rather than using time machine, since I thought it might be a software issue. I have done both permissions and disk repair. I've had disk repair find errors twice or three times in the last two months. Maybe slow hard disk failure?
Any advice/assitance would be appreciated.
Thanks!

I've stopped using Chrome, and I'm having much fewer problems. *****, cause I really like the browser, but it was one of the major culprits.
Hardware Information:
    MacBook Pro (15-inch, Mid 2010)
    MacBook Pro - model: MacBookPro6,2
    1 2.66 GHz Intel Core i7 CPU: 2 cores
    8 GB RAM
Video Information:
    Intel HD Graphics - VRAM: 288 MB
    NVIDIA GeForce GT 330M - VRAM: 512 MB
System Software:
    OS X 10.9.1 (13B42) - Uptime: 1 day 12:59:57
Disk Information:
    TOSHIBA MK5055GSXF disk0 : (500.11 GB)
        EFI (disk0s1) <not mounted>: 209.7 MB
        Untitled (disk0s2) /: 499.25 GB (381.59 GB free)
        Recovery HD (disk0s3) <not mounted>: 650 MB
    MATSHITADVD-R   UJ-898
USB Information:
    Apple Internal Memory Card Reader
    Apple Inc. BRCM2070 Hub
        Apple Inc. Bluetooth USB Host Controller
    Apple Inc. Apple Internal Keyboard / Trackpad
    Apple Inc. Built-in iSight
    Apple Computer, Inc. IR Receiver
FireWire Information:
Thunderbolt Information:
Kernel Extensions:
    net.tunnelblick.tun    (1.0)
Problem System Launch Daemons:
Problem System Launch Agents:
Launch Daemons:
    [System]    com.adobe.fpsaud.plist 3rd-Party support link
    [System]    com.google.keystone.daemon.plist 3rd-Party support link
    [System]    com.maintain.AutoLoginUserScreenLocked.plist 3rd-Party support link
    [System]    com.maintain.CocktailScheduler.plist 3rd-Party support link
    [System]    com.maintain.HideSpotlightMenuBarIcon.plist 3rd-Party support link
    [System]    com.microsoft.office.licensing.helper.plist 3rd-Party support link
Launch Agents:
    [System]    com.adobe.AAM.Updater-1.0.plist 3rd-Party support link
    [System]    com.google.keystone.agent.plist 3rd-Party support link
    [System]    com.maintain.LogOut.plist 3rd-Party support link
    [System]    com.maintain.PurgeInactiveMemory.plist 3rd-Party support link
    [System]    com.maintain.Restart.plist 3rd-Party support link
    [System]    com.maintain.ShutDown.plist 3rd-Party support link
    [System]    com.maintain.Sleep.plist 3rd-Party support link
    [System]    com.maintain.SystemEvents.plist 3rd-Party support link
User Launch Agents:
    [not loaded]    com.adobe.ARM.[...].plist 3rd-Party support link
    [not loaded]    com.maintain.ShowUserLibraryDirectory.plist 3rd-Party support link
    [not loaded]    com.pia.pia_manager.plist 3rd-Party support link
    [not loaded]    com.spotify.webhelper.plist 3rd-Party support link
User Login Items:
    iTunesHelper
    uTorrent
    Dropbox
    Google Drive
    Spotify
    OmniFocus
Internet Plug-ins:
    o1dbrowserplugin: Version: 5.1.4.17398 3rd-Party support link
    Default Browser: Version: 537 - SDK 10.9
    AdobeAAMDetect: Version: AdobeAAMDetect 1.0.0.0 - SDK 10.6 3rd-Party support link
    FlashPlayer-10.6: Version: 12.0.0.44 - SDK 10.6 3rd-Party support link
    AdobePDFViewerNPAPI: Version: 11.0.06 - SDK 10.6 3rd-Party support link
    Silverlight: Version: 5.1.20913.0 - SDK 10.6 3rd-Party support link
    Flash Player: Version: 12.0.0.44 - SDK 10.6 3rd-Party support link
    QuickTime Plugin: Version: 7.7.3
    googletalkbrowserplugin: Version: 5.1.4.17398 3rd-Party support link
    npgtpo3dautoplugin: Version: 0.1.44.29 - SDK 10.5 3rd-Party support link
    AdobePDFViewer: Version: 11.0.06 - SDK 10.6 3rd-Party support link
    SharePointBrowserPlugin: Version: 14.3.9 - SDK 10.6 3rd-Party support link
Audio Plug-ins:
    BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
    AirPlay: Version: 1.9 - SDK 10.9
    AppleAVBAudio: Version: 2.0.0 - SDK 10.9
    iSightAudio: Version: 7.7.3 - SDK 10.9
3rd Party Preference Panes:
    Flash Player 3rd-Party support link
    TeXDistPrefPane 3rd-Party support link
Bad Fonts:
    None
Old Applications:
    None
Time Machine:
    Auto backup: YES
    Volumes being backed up:
        Untitled: Disk size: 464.96 GB Disk used: 109.57 GB
    Destinations:
        Time Machine [Local] (Last used)
        Total size: 931.62 GB
        Total number of backups: 28
        Oldest backup: 2013-07-26 02:15:52 +0000
        Last backup: 2014-02-11 00:17:36 +0000
        Size of backup disk: Adequate
            Backup size 931.62 GB > (Disk used 109.57 GB X 3)
    Time Machine details may not be accurate.
    All volumes being backed up may not be listed.
Top Processes by CPU:
        16%    Mail
        11%    firefox
         7%    WindowServer
         4%    repair_packages
         3%    mtmd
Top Processes by Memory:
    836 MB    firefox
    344 MB    Spotify
    311 MB    iPhoto
    188 MB    iTunes
    175 MB    Mail
Virtual Memory Information:
    979 MB    Free RAM
    3.10 GB    Active RAM
    2.29 GB    Inactive RAM
    1.18 GB    Wired RAM
    2.78 GB    Page-ins
    73 MB    Page-outs

MacBook Pro 15-inch, Mid 2010 2.4 GHz Intel Core i5 with Mavericks is very slow

Hi everybody,
i have already seen this discussion (https://discussions.apple.com/message/24018625#24018625) started by campitor and allegedly solved by arthur but only for campitor's concrete case and already closed. Therefore I have made the same checkup with Etrecheck (see below). It would be really great to solve this problem because I need my mac for work and I am getting really desperate: it's just too slow for effective working. I am really desperate and really thankful for any kind of hint or help that could bring back my machine to normal workable speed.
cheers,
Cris
Hardware Information:
          MacBook Pro (15-inch, Mid 2010)
          MacBook Pro - model: MacBookPro6,2
          1 2.4 GHz Intel Core i5 CPU: 2 cores
          4 GB RAM
Video Information:
          Intel HD Graphics - VRAM: 288 MB
          NVIDIA GeForce GT 330M - VRAM: 256 MB
System Software:
          OS X 10.9.1 (13B42) - Uptime: 3 days 10:27:10
Disk Information:
          Hitachi HTS545032B9SA02 disk0 : (320.07 GB)
                    EFI (disk0s1) <not mounted>: 209.7 MB
                    Macintosh HD (disk0s2) /: 319.21 GB (117.43 GB free)
                    Recovery HD (disk0s3) <not mounted>: 650 MB
          MATSHITADVD-R   UJ-898
USB Information:
          Apple Internal Memory Card Reader
          Apple Inc. BRCM2070 Hub
                    Apple Inc. Bluetooth USB Host Controller
          Apple Inc. Apple Internal Keyboard / Trackpad
          Apple Inc. iPhone
          Apple Inc. Built-in iSight
          Apple Computer, Inc. IR Receiver
FireWire Information:
Thunderbolt Information:
Kernel Extensions:
          com.taoeffect.ispy.kext          (2.0.1)
Startup Items:
          HWNetMgr: Path: /Library/StartupItems/HWNetMgr
          HWPortDetect: Path: /Library/StartupItems/HWPortDetect
          Jaksta: Path: /Library/StartupItems/Jaksta
Problem System Launch Daemons:
Problem System Launch Agents:
Launch Daemons:
          [System] com.macpaw.CleanMyMac2.Agent.plist 3rd-Party support link
          [System] com.microsoft.office.licensing.helper.plist 3rd-Party support link
          [System] com.taoeffect.ispyd.plist 3rd-Party support link
          [System] org.macosforge.xquartz.privileged_startx.plist 3rd-Party support link
Launch Agents:
          [System] com.adobe.AAM.Updater-1.0.plist 3rd-Party support link
          [System] com.hp.help.tocgenerator.plist 3rd-Party support link
          [System] org.macosforge.xquartz.startx.plist 3rd-Party support link
User Launch Agents:
          [not loaded] com.adobe.ARM.[...].plist 3rd-Party support link
          [not loaded] com.google.keystone.agent.plist 3rd-Party support link
          [not loaded] com.macpaw.CleanMyMac.helperTool.plist 3rd-Party support link
          [not loaded] com.macpaw.CleanMyMac.trashSizeWatcher.plist 3rd-Party support link
          [not loaded] com.macpaw.CleanMyMac2Helper.diskSpaceWatcher.plist 3rd-Party support link
          [not loaded] com.macpaw.CleanMyMac2Helper.scheduledScan.plist 3rd-Party support link
          [not loaded] com.macpaw.CleanMyMac2Helper.trashWatcher.plist 3rd-Party support link
          [not loaded] com.taoeffect.EspionageHelper.plist 3rd-Party support link
User Login Items:
          Dropbox Encore
          Caffeine
          Google Drive
          CleanMyDrive
          Dropbox
          WiSpy
          Sync Folders Pro
          Satellite Eyes
          PomodoroApp
Internet Plug-ins:
          JavaAppletPlugin: Version: 14.9.0 - SDK 10.7 Outdated! Update
          QuickTime Plugin: Version: 7.7.3
          Default Browser: Version: 537 - SDK 10.9
          AdobePDFViewer: Version: 9.5.5 3rd-Party support link
          SharePointBrowserPlugin: Version: 14.3.9 - SDK 10.6 3rd-Party support link
          Silverlight: Version: 5.1.20913.0 - SDK 10.6 3rd-Party support link
          iPhotoPhotocast: Version: 7.0 - SDK 10.8
Audio Plug-ins:
          BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
          AirPlay: Version: 1.9 - SDK 10.9
          AppleAVBAudio: Version: 2.0.0 - SDK 10.9
          iSightAudio: Version: 7.7.3 - SDK 10.9
User Internet Plug-ins:
          CitrixOnlineWebDeploymentPlugin: Version: 1.0.105 3rd-Party support link
3rd Party Preference Panes:
          Hazel 3rd-Party support link
          Perian 3rd-Party support link
Bad Fonts:
          None
Old Applications:
          /Library/Frameworks/Adobe AIR.framework/Versions/1.0/Resources
                    Adobe AIR Updater:          Version: 3.3 - SDK 10.5 3rd-Party support link
                    Template:          Version: 3.3 - SDK 10.5 3rd-Party support link
          /Library/Application Support/Microsoft/MERP2.0
                    Microsoft Error Reporting:          Version: 2.2.9 - SDK 10.4 3rd-Party support link
                    Microsoft Ship Asserts:          Version: 1.1.4 - SDK 10.4 3rd-Party support link
          SLLauncher:          Version: 1.0 - SDK 10.5 3rd-Party support link
                    /Library/Application Support/Microsoft/Silverlight/OutOfBrowser/SLLauncher.app
          Solver:          Version: 1.0 - SDK 10.5 3rd-Party support link
                    /Applications/Microsoft Office 2011/Office/Add-Ins/Solver.app
          /Applications/Microsoft Office 2011/Office
                    Microsoft Graph:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
                    Microsoft Database Utility:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
                    Microsoft Office-Erinnerungen:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
                    Microsoft Upload Center:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
                    My Day:          Version: 14.3.0 - SDK 10.5 3rd-Party support link
                    SyncServicesAgent:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
                    Open XML for Excel:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
                    Microsoft Alerts Daemon:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
                    Microsoft Database Daemon:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
                    Microsoft Chart Converter:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
                    Microsoft Clip Gallery:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
          /Applications/Microsoft Office 2011
                    Microsoft PowerPoint:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
                    Microsoft Excel:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
                    Microsoft Word:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
                    Microsoft Document Connection:          Version: 14.3.9 - SDK 10.5 3rd-Party support link
          Adobe AIR Application Installer:          Version: 3.3 - SDK 10.5 3rd-Party support link
                    /Library/Frameworks/Adobe AIR.framework/Versions/1.0/Adobe AIR Application Installer.app
          TomTomHOMERunner:          Version: 2.9.7.2119 - SDK 10.4 3rd-Party support link
                    /Users/[redacted]/Library/Application Support/TomTom HOME/TomTomHOMERunner.app
          Microsoft AutoUpdate:          Version: 2.3.6 - SDK 10.4 3rd-Party support link
                    /Library/Application Support/Microsoft/MAU2.0/Microsoft AutoUpdate.app
          /Applications/iWork '09
          MetaZ:          Version: 1.0a13 - SDK 10.5 3rd-Party support link
Time Machine:
          Skip System Files: NO
          Mobile backups: ON
          Auto backup: YES
          Volumes being backed up:
                    Macintosh HD: Disk size: 297.29 GB Disk used: 187.92 GB
          Destinations:
                    Cristobals TC data [Network] (Last used)
                    Total size: 2
                    Total number of backups: 30
                    Oldest backup: 2013-09-18 10:32:44 +0000
                    Last backup: 2014-01-26 18:21:05 +0000
                    Size of backup disk: Excellent
                              Backup size 2 > (Disk size 297.29 GB X 3)
          Time Machine details may not be accurate.
          All volumes being backed up may not be listed.
Top Processes by CPU:
               4%          cookied
               4%          com.apple.WebKit.Networking
               4%          WindowServer
               2%          Safari
               1%          EtreCheck
Top Processes by Memory:
          172 MB          Safari
          115 MB          mds_stores
          100 MB          com.apple.WebKit.WebContent
          74 MB          MenuTab for Facebook
          41 MB          WindowServer
Virtual Memory Information:
          199 MB          Free RAM
          868 MB          Active RAM
          608 MB          Inactive RAM
          962 MB          Wired RAM
          4.21 GB          Page-ins
          332 MB          Page-outs

Hey Cris from London,
I would try out the recommended steps in the following link:
OS X Mavericks: If your Mac runs slowly
http://support.apple.com/kb/PH13895
Let us know if any of the steps within resolved the issue.
Welcome to Apple Support Communities!
Take care,
Delgadoh

Sending mail very slow

Besides the notebook described below in the signature I have a MacBook right next to it. On both, the same three email accounts are configured exactly the same. One account is the IMAP MobileMe (aka .mac) account. The other two are POP accounts, for one of which I have a digital certificate. When I send mail through that account, it can take up a minute before the "busy" icon next to the Sent mailbox for the account disappears and the "whoosh" sound is heard. On the MacBook, the same mail is sent almost instantly. The digital certificate is in a password-protected part of my keychain, so on both notebooks I am prompted -- with almost no delay between pressing the Send button and receiving the prompt -- for that password before the actual send operation begins.
By the way, both notebooks are connected wirelessly to the same Apple AirPort Extreme, so I suspect that the problem is unrelated to the network infrastructure.

Hello Niken:
I fixed a similar problem by using OpenDNS.
http://www.opendns.com/
I think the problem might have been with my ISP, but using open DNS solved the slow mail transmission on both of my macs.
Barry

I am having trouble with yahoo mail, very slow to send never used to be this way started before iOs5 update

I am having trouble with mail, yahoo has started to have a problem sending, slow or not at all started before latest update, help

I noticed this at one point and what I did, which worked, was to delete the mailbox from my iPad, then reinstall it. Give it a try and see if it helps you as well.

Mail very slow in Mountain Lion

The upgrade to Mountain Lion went smoothly but Mail works really badly afterwards.
When sending an email, it takes a few minutes before the mail goes out. And that's with any size message.
Auto-completion of mail addresses while composing takes multiple minutes. Even after it finally comes up with a list of email addresses, pressing enter on one also takes minutes to acknowledge
At various times, hitting the mail icon on the dock has no effect. The same is true with Command+TAB
Overall, the unresponsiveness is painful and making me wish I hadn't upgraded

This didn't solve my problem. First of all:
     $ ls /Library/Preferences/com.apple.mail.plist
     ls: /Library/Preferences/com.apple.mail.plist: No such file or directory
but I do have the file in my local Library:
     $ pwd
     /Users/spate/Library/Containers/com.apple.mail/Data/Library/Preferences
     $ ls -l *mail*
     lrwxr-xr-x 1 spate spate     64 Jul 26 11:08 com.apple.mail.LSSharedFileList.plist@ ->      ../../../../../Preferences/com.apple.mail.LSSharedFileList.plist
     -rw------- 1 spate spate   6733 Jul 27 08:24 com.apple.mail.plist
     -rw------- 1 spate spate 56130 Jul 27 08:12 com.apple.mail.plist.bak
This is after I moved com.apple.mail.plist to com.apple.mail.plist.bak and then started Mail again. As you can see, it created a new, much smaller com.apple.mail.plist
No luck - just as painfully slow as before!
This is horribly painful!

Mac Mail very slow in and out

I upgraded to Yosemite a few weeks ago. ever since my email has been painfully slow connecting to the iMAP server. Messages will sit for hours in my outbox, and attachments take forever to download. I have tried the offline/online work around. Makes no difference. I try quitting and re-opening mail, no difference. I am now re-building my mail boxes but the speed or lack of it in downloading the messages back from the server seems soooooo slow. Any other ideas anyone please??
Its like trying to run through treacle when you need to get on with your work and you find that emails you need s response to are stuck in your outbox!!

Mail under Mountain Lion is painfully...: Apple Support Communities

Mail very slow to get new mail after Lion upgrade

After I upgraded from Snow Leopard to Lion my Mail application has become very sluggish. It takes ages to show new mail from my Gmail account. It seems to spend ages downloaded messages. If I access my Gmail via Safari it is virtually instant.
Any advice most welcome!

I had a similar problem and it was related to my wireless network settings. The Lion upgrade had created a second wireless network setup named Apple 888.b1 on my airport/time capsule. I deleted that second phantom one so it was just back to the one that I had setup and everything is fine again.
So if your broadband connction is wireless you might check the wireless settings and see if a second network setup was created.

Mavericks is very slow

Morning, ever since I upgraded my os from Snow leopard to Mavericks certan programs and the macbook pro itself seems to work extremely slow at times and after all this time I feel I am at rock and place to either downgrade or increase the memory and harddrive on my mac.
However how fair is this, I need a solution. There are too many times only 38mb of memory is available and when I was running snow leopard it was not like this
I await your timely response

Hello cellisarch,
The following articles detail a number of things worth checking that can help get your MacBook Pro running smoothly again.
OS X Mavericks: If your Mac runs slowly
http://support.apple.com/kb/PH13895
OS X Mavericks: If graphics-intensive tasks slow down your Mac
http://support.apple.com/kb/PH13952
Cheers,
Allen

Maverick mail very slow

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