Defines the file size limit for Bulletin Board attachments.
See MaxBulletinBoardAttachmentImageDPI and BulletinBoardAttachmentJpegQualityPercent settings for greater control of uploaded Bulletin Board image file sizes.
The file size limit in kilobytes set for attachments uploaded to Bulletin Board messages. Default = 10240
Please note this setting is not available per FBO in the 'FBO Locations settings' page area.