Every time your web browser wants to load a web page, it needs to contact a DNS server first, which will translate thewww.domain.comÂ address into a machine readable format – the IP address. The same thing happens when PostCast Server tries to send a message to a recipient. The domain name in the e-mail address is [...]
Everyone has a “www” subdomain (In “www.yourdomain.com”, the “www” part is the subdomain). The www subdomain is created by, and serves files from, your /htdocs/www directory on the filesystem.
Black Lists are used in the context of email to define the IP addresses or netblocks of well known sources of SPAM. DNSBL defines a method of using standard DNS zone files to store such IP addresses. Standard DNS A RR queries are used to interrogate the black list which is organised as a reverse [...]
Squid can be easily used to provide SSL acceleration services for Outlook Web Access. It can also speak SSL to the backend Exchange server. Later versions of Squid-2.6 support all the methods used by WebDAV by default. Please consider upgrading to the latest Squid-2.6 STABLE release before attempting this