ALTER TABLE `school_setup` 
ADD COLUMN `name_mail_sst` VARCHAR(100) NULL AFTER `document_root_sst`,
ADD COLUMN `host_mail_sst` VARCHAR(50) NULL AFTER `name_mail_sst`,
ADD COLUMN `from_mail_sst` VARCHAR(50) NULL AFTER `host_mail_sst`,
ADD COLUMN `user_mail_sst` VARCHAR(50) NULL AFTER `from_mail_sst`,
ADD COLUMN `pswd_mail_sst` VARCHAR(20) NULL AFTER `user_mail_sst`,
ADD COLUMN `port_mail_sst` INT(4) NULL AFTER `pswd_mail_sst`,
ADD COLUMN `ssl_mail_sst` ENUM('YES','NO') NOT NULL DEFAULT 'NO' AFTER `port_mail_sst`,
ADD COLUMN `support_mail_sst` VARCHAR(50) NULL AFTER `ssl_mail_sst`,
ADD COLUMN `support2_mail_sst` VARCHAR(50) NULL AFTER `support_mail_sst`,
ADD COLUMN `support3_mail_sst` VARCHAR(50) NULL AFTER `support2_mail_sst`;