From Indie IT Wiki
HOWTO: DISABLE:
Send and Reply Animations
defaults write com.apple.Mail DisableReplyAnimations -boolean true defaults write com.apple.Mail DisableSendAnimations -boolean true
To revert:
defaults write com.apple.Mail DisableReplyAnimations -boolean false defaults write com.apple.Mail DisableSendAnimations -boolean false or defaults delete com.apple.Mail DisableReplyAnimations defaults delete com.apple.Mail DisableSendAnimations
HOWTO: ENABLE:
Address Book Debug Menu
defaults write com.apple.addressbook ABShowDebugMenu -bool YES
To revert:
defaults write com.apple.addressbook ABShowDebugMenu -bool NO
Plain Text View
defaults write com.apple.mail PreferPlainText -boolean true
To revert:
defaults write com.apple.mail PreferPlainText -boolean false or defaults delete com.apple.mail PreferPlainText
HOWTO: MODIFY:
Default Email Account
Preferences --> Composing --> Drop down menu --> Standard email account for new email
Deleting An Email Address From Previous Recipients List
- Select Window | Previous Recipients from the menu in Mac OS X Mail.
- Highlight the address you want to remove.
NOTE: You can highlight multiple addresses by holding down the Command key.
Display All Emails As Plain Text
defaults write com.apple.mail PreferPlainText -bool YES
To revert:
defaults write com.apple.mail PreferPlainText -bool NO
Sending Attachments
Change from in-line to attached:
defaults write com.apple.mail DisableInlineAttachmentViewing 1
To revert:
defaults write com.apple.mail DisableInlineAttachmentViewing 0 or defaults delete com.apple.mail DisableInlineAttachmentViewing
INFO:
Backup Mail Box
https://support.apple.com/en-gb/guide/mail/mlhlp1030/mac
Export Address Book Contacts As CSV
https://superuser.com/questions/192227/how-to-export-email-addresses-from-apple-mail
General
http://www.gn.apc.org/support/automatically-purge-or-expunge-deleted-messages-apple-mail