MTA options listed alphabetically

Table of MTA options, listed alphabetically, shown below, lists the available  options in alphabetic order. A brief description of each option is included, though more details can be found in the discussions of the individual options. See also MTA options, listed by functionality, which lists the options grouped together by function, and which furthermore includes links to subsections with general information about the groups of options.

See also:
 * MTA options
 * MTA options listed by functional group
 * Option value syntax
 * Legacy configuration MTA option file
 * Getting option changes to take effect on the MTA