File format MTA options

There are a number of MTA options affecting the format of various MTA files, or the handling of message files or log files. In particular, some of these MTA options can have performance implications.

See also:
 * buffer_size MTA Option
 * cache_magic MTA Option
 * cbt MTA Option
 * chunk_cache_limit MTA Option
 * comment_chars MTA Option
 * debug_flush MTA Option
 * dequeue_map MTA Option
 * fdirectory MTA Option
 * file_member_size MTA Option
 * fsync MTA Option
 * log_alq MTA Option
 * log_deq MTA Option
 * max_internal_blocks MTA Option
 * mm_mbc MTA Option
 * mm_mbf MTA Option
 * notary_quote MTA Option
 * os_debug MTA Option
 * osync MTA Option
 * projectid Option
 * queue_cache_mode MTA Option
 * queue_cache_mode_3_files MTA Option
 * use_text_databases MTA Option
 * MTA options