local has_mimeole = 'header_exists(X-MimeOLE)'
local has_squirrelmail_in_mailer = 'X-Mailer=/SquirrelMail\\b/H'
local has_ips_php_in_mailer = 'X-Mailer=/^IPS PHP Mailer/'
-reconf['MISSING_MIMEOLE'] = string.format('(%s) & !(%s) & !(%s) & !(%s) & !(%s) & !(%s)', has_msmail_pri, has_mimeole, has_squirrelmail_in_mailer, xm_mso12, xm_cgpmapi, has_ips_php_in_mailer)
+local has_office12145_in_mailer = 'X-Mailer=/^Microsoft (?:Office )?Outlook 1[245]\\.0/'
+reconf['MISSING_MIMEOLE'] = string.format('(%s) & !(%s) & !(%s) & !(%s) & !(%s) & !(%s) & !(%s)',
+ has_msmail_pri, has_mimeole,
+ has_squirrelmail_in_mailer, xm_mso12,
+ xm_cgpmapi, has_ips_php_in_mailer,
+ has_office12145_in_mailer)
-- Header delimiters
local yandex_from = 'From=/\\@(yandex\\.ru|yandex\\.net|ya\\.ru)/iX'