WiFi networks using Captive login fail to present login screen. Network connects but no internet access. I have to use my iPhone running iOS 18 as hotspot to use Captive network.

Running Mac0S 26 beta 2 and now 3 on a M3 MBP and Apple mail will not connect ti IMAP. SMTP is connected. Error in Connection Details: READ Jul 07 17:33:36.456 [kCFStreamSocketSecurityLevelTLSv1_2] -- host:p71-imap.mail.me.com -- port:993 -- socket:0x9b9e586c0 -- thread:0x9ba6b27c0 4.18 NO [AUTHENTICATIONFAILED] Authentication Failed Google Mail connects with no issues. Mail is enabled in System Settings>iCloue>Internet Accounts