06:48 bapt 

• mail/squirrelmail-abook_import_export-plugin 1.1 Allows for the importing of addressbooks from a CSV (comma separated values) file
• mail/squirrelmail-askuserinfo-plugin 1.1 Ask user to enter Full name and Email address at initial logon
• mail/squirrelmail-avelsieve-plugin SquirrelMail plugin for Server-Side Mail Filtering management
• mail/squirrelmail-calendar_file_backend-plugin 1.0_1 File backend for SquirrelMail Calendar plugin
• mail/squirrelmail-calendar_sql_backend-plugin SQL backend for SquirrelMail Calendar plugin
• mail/squirrelmail-change_ldappass-plugin 2.2_4 Allows users to change their passwords stored in LDAP Tree
• mail/squirrelmail-change_sqlpass-plugin 3.3_1 Allows users to change their passwords stored in a SQL database
• mail/squirrelmail-check_quota-plugin 2.2_1 Check/display users' mail quota (filesystem, IMAP-based, and cPanel)
• mail/squirrelmail-compatibility-plugin 2.0.16 Required by many plugins for compatibility with SquirrelMail
• mail/squirrelmail-email_footer-plugin 0.6 Automatically appends footer to SquirrelMail-generated emails

CATEGORIES is defined in bsd.squirrelmail.mk which is always loaded after .mk
inclusion leading to PKGORIGIN not being set when needed.
Nothing requires bsd.squirrelmail to be loaded after bsd.port.pre.mk but the
PORTDIR.
Convert "${PORTDIR}/mail" to ${.CURDIR}/.. and remove all the pre.mk/post.mk
dancine

Reported by:	erwin