Do you use GPGTools by any chance?After downloading public beta 5 my email crashes whenever I start it. Have sent feedback to Apple. Is there anything I can do to get it working? - I've rebooted several times to no avail
Thanks, but I turned off the email accounts in preferences and then started Mail and turned the emails accounts on one by one and it stayed up . It appears to be a problem with my .mac account as although I have my inbox and sent folders working OK some of my flagged emails (specifically red, yellow & green) are not available whereas the blue & purple are