thanks for contacting us about this. Could you please tell us:
1.When does Apple Mail crash? Does it only occur when you turn Mailbutler on?
2.What email server type are you using? (POP, IMAP. etc.)
3. Do you have any other plugins installed that could access your inbox?
4. Does it occur repeatedly? Do you see any pattern which triggers the issue?
My apple mail is crashing constantly and I can not get it fixed. So I can not even send an crash report without mail
So I copy the first few lines of the report and send it here. Maybe there is already the right information. I already tryed to deinstall Mailbutler and start mail than, but that did not help. Stil the same problem and still the same message regarding the plugin.
Process: Mail 
Version: 11.5 (3445.9.1)
Build Info: Mail-3445009001000000~2
Code Type: X86-64 (Native)
Parent Process: ??? 
Responsible: Mail 
User ID: 501
PlugIn Path: /Library/Mail/*/Mailbutler
PlugIn Identifier: com.mailbutler.mailpluginloader
PlugIn Version: 2525 (13060)
Date/Time: 2020-03-02 20:55:55.181 +0100
OS Version: Mac OS X 10.13.6 (17G8030)
Report Version: 12
Anonymous UUID: D4BA7236-C1BD-E99B-1DFC-1028B43CDFC6
Time Awake Since Boot: 1000 seconds
System Integrity Protection: enabled
Crashed Thread: 0 Dispatch queue: com.apple.main-thread