Check this option for increasing the TCP/IP timeout when connecting to a foreign host Check this option for always running the "PC File Extension" regardless if the sending host is in the destinations list with "PC File Extension" set. Check this option for overwriting the PC extension on a attachment with one from the "PC File Extension" table based on the type/creator of the attachment Check this option for overwriting the type and creator on an attachment with a type and creator given from the "PC File Extension" table based on the PC extension of the attachment. Check this option for hard line breaks at the line limit in text attachments instead of the quoted-printable soft line breaks ("=CR"). Check this option for hard line breaks at the line limit in the message body instead of the quoted-printable soft line breaks ("=CR").