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mail application crash

On my Mac, I use macOS Big Sur and the Mail app, where I have an Exchange account and an IMAP account. Unfortunately, the Mail app keeps crashing. I turn on Mail, which crashes within 20 seconds of opening it and like this over and over again. I have tried to address this with Apple support but their response is just a misconfigured Exchange server which is nonsense. Other clients work on Mac, but again they are extremely taxing on the processor and battery - when I asked Apple about this they said don't use Outlook, use our Mail app. But I can't get Mail to work.


Could someone read the log what's the problem? My guess is that it's some mail message in the mailbox that's causing the crash. I've shortened the log here in the post because of its size.


Process: Mail [18799]

Path: /System/Applications/Mail.app/Contents/MacOS/Mail

Identifier: com.apple.mail

Version: 14.0 (3654.60.0.2.21)

Build Info: Mail_App-3654060000002021~2

Code Type: X86-64 (Native)

Parent Process: ??? [1]

Responsible: Mail [18799]

User ID: 501


Date/Time: 2021-08-07 11:16:30.883 +0200

OS Version: macOS 11.2.3 (20D91)

Report Version: 12

Bridge OS Version: 5.2 (18P4347)

Anonymous UUID: 6C62DBB3-F872-6006-9DAD-266C6818149B


Sleep/Wake UUID: 66FA16DB-3758-4F78-9D6C-35B4D3422C9B


Time Awake Since Boot: 180000 seconds

Time Since Wake: 15000 seconds


System Integrity Protection: enabled


Crashed Thread: 22 Dispatch queue: MFEWSNetworkTaskHandler queue (QOS: BACKGROUND)


Exception Type: EXC_CRASH (SIGABRT)

Exception Codes: 0x0000000000000000, 0x0000000000000000

Exception Note: EXC_CORPSE_NOTIFY




External Modification Summary:

Calls made by other processes targeting this process:

task_for_pid: 0

thread_create: 0

thread_set_state: 0

Calls made by this process:

task_for_pid: 0

thread_create: 0

thread_set_state: 0

Calls made by all processes on this machine:

task_for_pid: 189005

thread_create: 0

thread_set_state: 0


VM Region Summary:

ReadOnly portion of Libraries: Total=1.0G resident=0K(0%) swapped_out_or_unallocated=1.0G(100%)

Writable regions: Total=866.2M written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=866.2M(100%)


VIRTUAL REGION 

REGION TYPE SIZE COUNT (non-coalesced) 

=========== ======= ======= 

Accelerate framework 384K 3 

Activity Tracing 256K 1 

CG backing stores 3240K 6 

CG image 35.6M 241 

CG raster data 152K 15 

CoreAnimation 8056K 618 

CoreData 132K 2 

CoreData Object IDs 4100K 2 

CoreGraphics 12K 2 

CoreUI image data 1872K 19 

Foundation 4576K 4 

IOKit 7940K 1 

Kernel Alloc Once 8K 1 

MALLOC 464.8M 274 

MALLOC guard page 48K 11 

MALLOC_NANO (reserved) 256.0M 1 reserved VM address space (unallocated)

SQLite page cache 10.1M 161 

STACK GUARD 56.1M 26 

Stack 21.2M 26 

VM_ALLOCATE 34.2M 54 

WebKit Malloc 19.6M 24 

__CTF 759 1 

__DATA 26.7M 664 

__DATA_CONST 42.4M 457 

__DATA_DIRTY 2843K 339 

__FONT_DATA 4K 1 

__GLSLBUILTINS 5176K 1 

__LINKEDIT 489.9M 22 

__OBJC_RO 60.5M 1 

__OBJC_RW 2449K 2 

__TEXT 536.3M 661 

__UNICODE 588K 1 

libnetwork 5760K 32 

mapped file 287.0M 61 

shared memory 44K 5 

=========== ======= ======= 

TOTAL 2.3G 3740 

TOTAL, minus reserved VM space 2.1G 3740 


Model: MacBookPro15,2, BootROM 1554.80.3.0.0 (iBridge: 18.16.14347.0.0,0), 4 processors, Quad-Core Intel Core i7, 2,7 GHz, 16 GB, SMC 

Graphics: kHW_IntelIrisGraphics655Item, Intel Iris Plus Graphics 655, spdisplays_builtin

Memory Module: BANK 0/ChannelA-DIMM0, 8 GB, LPDDR3, 2133 MHz, Micron, -

Memory Module: BANK 2/ChannelB-DIMM0, 8 GB, LPDDR3, 2133 MHz, Micron, -

AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x7BF), wl0: Sep 11 2020 16:57:49 version 9.30.440.2.32.5.61 FWID 01-129bddb

Bluetooth: Version 8.0.3d9, 3 services, 27 devices, 1 incoming serial ports

Network Service: Wi-Fi, AirPort, en0

USB Device: USB 3.1 Bus

USB Device: Apple T2 Bus

USB Device: Touch Bar Backlight

USB Device: Touch Bar Display

USB Device: Apple Internal Keyboard / Trackpad

USB Device: Headset

USB Device: Ambient Light Sensor

USB Device: FaceTime HD Camera (Built-in)

USB Device: Apple T2 Controller

Thunderbolt Bus: MacBook Pro, Apple Inc., 47.4

Thunderbolt Bus: MacBook Pro, Apple Inc., 47.4

Posted on Aug 7, 2021 2:26 AM

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Question marked as Best reply

Posted on Aug 9, 2021 4:33 AM

About the only person that can decipher a crash log is the person that was involved in writing the code that crashed.


I have seen where a particular message will cause it to crash. Start Mail while holding down the shift key. That should start Mail without selecting a mailbox. You can then try selecting a mailbox, then the messages in it to see if one message causes it to crash.

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Question marked as Best reply

Aug 9, 2021 4:33 AM in response to sejky

About the only person that can decipher a crash log is the person that was involved in writing the code that crashed.


I have seen where a particular message will cause it to crash. Start Mail while holding down the shift key. That should start Mail without selecting a mailbox. You can then try selecting a mailbox, then the messages in it to see if one message causes it to crash.

mail application crash

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