INBOX: invalid remote specification (errflg=2) Got following error when use imap_open() in PHP? Notice: Unknown: Can’t open mailbox {imap.gmail.com:993/imap/ssl/novalidate-cert}INBOX: invalid remote specification (errflg=2) in Unknown on line 0 Check imapĀ enabled SSL support like screenshot If cannot see SSL Support configuration, then need re-compile imap.so with enabling SSL support. PHP…