By Bryan Costales
This publication most likely covers so much information about Sendmail yet isn't really intended for somebody attempting to the way to configure sendmail. such a lot chapters have a small advent after which move directly to clarify every one feature/aspect intimately. For a newbie, it really is tough to attach the dots (features) and know how to configure / run sendmail.
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Additional info for sendmail, 3rd Edition
4 Basic Parts of sendmail The sendmail program is actually composed of several parts, including programs, files, directories, and the services it provides. Its foundation is a configuration file that defines the location and behavior of these other parts and contains rules for rewriting addresses. A queue directory holds mail until it can be delivered. An aliases file allows alternative names for users and the creation of mailing lists. Database files can handle tasks ranging from spam rejection to virtual hosting.
Other Books, Other Problems Two topics that are only touched upon in this book are the Domain Name System (DNS) and TCP/IP network communications. At a typical site, a significant number of mail-related problems turn out to be problems with one of these other areas rather than with sendmail. , 2001). , 1992). Finally, many mail problems can be solved only by the system administrator. The sendmail program runs as root and can be installed and managed only by root. The art of functioning effectively as root is superbly covered in the UNIX System Administration Handbook by Evi Nemeth, Garth Snyder, Scott Seebass, and Trent R.
Sendmail, Inc. org The first major offering from Sendmail, Inc. 10 sendmail, released in 2000. It was mentored by Eric Allman, but largely written by Greg Shapiro. 11 were developed in parallel. 11. 11 was released as a commercial version because of export restrictions. 11 was released in open source form. 12, in which he added a suite of new features. 14 are possible. Plans are afoot to develop a multithreaded version of sendmail that will be called V9 sendmail, but, as of this writing, it is still in the early planning stages, and probably won't appear as an alpha release for a few years.
sendmail, 3rd Edition by Bryan Costales