Whenever I try to reply (or reply all) to any email through the mail app, an empty new message window opens that I can type in but all the buttons (send, attach etc.) are greyed out and I cannot close the window without restarting the mail app. Has made the app complete unusable except for reading emails. Any ideas how to fix this?
In my case the following approach has fixed this issue, for the time being at least:
(Using Mail.app version 9.2)
Go to Mail > Preferences and select the 'Composing' tab. In the section of preferences relating to 'Responding' and change the settings so that they are the opposite of what you normally use. Save the changes.
I then quit Mail. (In my case I then restarted the machine as well - for a wholly separate and unrelated reason, but I don't know if that's a critical step or not, certainly won't do any harm.) Re-launch mail, and I found that replying to a message now conforms to the new preferences that I've set.
I then re-edited the preferences to set them back to what I wanted. Tried a new reply, and it works - the target addresses are in place, the text of the original is there and quoted.
I guess the issue may have been due to the original preference settings getting corrupted in some way. I'll keep it under review, and if it stops working again anytime soon, I'll aim to add a comment here.
Sounds like that you're outgoing mail server has been changed.
- Go to Mail Preferences
- Select the account you're having problems with from the list. Click the 'Account Information' > In the 'Outgoing Mail Server (SMTP)' section, select 'Edit SMTP Server List' from the dropdown menu.
- Make sure your username, password and server is correct and Click the "Advanced" button and deselect "Automatically detect and maintain account settings"
- Choose Window > Connection Doctor.
The workaround that I have found is to restart and can send replies as normal but the problem will return back soon after.
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protected by Community♦ May 15 '16 at 18:13
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