WSM User Guide - WatchGuard Technologies

Configuring the SMTP ProxyConfiguring general settingsYou use the General Settings fields to configure basic SMTP proxy parameters such as idle time-outand message limits.Idle timeoutYou can set the length of time an incoming SMTP connection can idle before the connectiontimes out. The default value is 600 seconds (10 minutes). For no time-out, clear the Set thetimeout to check box.Maximum e-mail recipientsWith the Set the maximum e-mail recipients to check box, you can set the maximum numberof e-mail recipients to which a message can be sent. The Firebox® counts and allows thespecified number of addresses through, and then drops the other addresses. For example, if youuse the default value of 50 and there is a message for 52 addresses, the first 50 addresses getthe e-mail message. The last two addresses do not get a copy of the message. A distribution listappears as one SMTP e-mail address (for example, support@watchguard.com). The Fireboxcounts this as one address.You can use this feature to decrease spam e-mail because spam usually includes a largerecipient list. Be careful when you do this because you can also deny legitimate e-mail.Maximum address lengthWith the Set the maximum address length to check box, you can set the maximum length ofe-mail addresses.Maximum e-mail sizeWith the Set the maximum e-mail size to check box, you can set the maximum length of anincoming SMTP message. Most e-mail is sent as 7-bit ASCII text. The exceptions are Binary MIMEUser Guide 167