Postfix��FAQ

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Q-1. Postfix�ä��ɤ��Ǥ��: A-1. ��ʤ��sendmail.cf�˴ؤ��ơ��ʸ�Τ褦�ʥޥ��ޥ��Ƥ��ʤ�Postfix�ˤ��åȤϾ��ʤ��Τ�ޤ��ä�sendmail��8.12.x��ϡ��Υ��ƥ��Ǥ��ä��set-user-id�ˤ��root��¤Ǥ�ư��Ǥ�̵��ʤä��Ȥ��顢��ƥ��̤��Ǥ�ɾ��ϸ�ľ��ɬ�פˤʤäƤ��ޤ��®��MTA��Ƥ��ʤ�Postfix�Ϥ��β��Ϳ��Ƥ��Ǥ��礦��
Q-2. Postfix��qmail�ä��ɤ��Ӥ��ޤ��͡�: A-2. ��ǽҤ٤��Ƥ��褦�ˡ�Postfix��qmail��ȤߤƤ��ޤ��Ӥ��Τ��Ǥ��qmail��sendmail�Υ��ƥ��μ��˷��򤵤��D. J. Bernstein�᤬�줫�饹��å��®��⥻��ƥ��MTA�Ǥ�� Postfix��sendmail��ΰܹԤ��ñ�Ǥ��褦�ˤʤäƤ��Τ��qmail�Ǥ�sendmail�δĶ��Ѵ��褦��ܻؤ��Ƥ��ޤ��ΰ١��᡼��󥰥ꥹ�Ȥ�sendmail�Ķ��ɬ�פʥ��ץȤ�ư��Ƥ��Ķ��Ǥ�Postfix��ͭ��ȱ��Ƥ��ޤ��
Q-3. Postfix��qmail�ǤϤɤ��餬�ɤ��Ǥ��: A-3. �ޤä��θĿ�Ū�ʸ��Ǥ��󥿡��ͥåȾ�ζ��Ҥ˻��㤨��DMZ��Ρ�MTA�ˤ�ɸ��饤�֥�ꤹ�鵿�ä��ѤΥ饤�֥��Ǽ��qmail��ͥ��Ƥ��ȴ��Ƥ��ޤ��1998ǯ�ʹߡ�qmail�ˤϥ��ƥ��礭��꤬��Ĥ��äƤ��ʤ��Ȥ�1�Ĥλ��¤Ǥ��
��Ѥ˴ؤ��Ƥ�Postfix��ڤ�Ǥ��Ǥ��礦��
�Ǥ��顢��MTA�ˤ�qmail��MTA�ˤ�Postfix�Ȥ��褦�ˤ��줾��Ŭ��Ŭ��˻Ȥ��褦�ˤ��ɤ��Ȼפ��ޤ��MTA�Ȥ��Postfix��ȤäƤ��Ϥ��ޤ��󡣡ʤ��ޤ�qmail��Ӥ��硢qmail��MTA��Ŭ��Ƥ��Ȥ��Ǥ��
Q-4. Redhat��Ƕ�Υǥ��ȥ�ӥ塼��ˤ�Postfix��äƤ��ޤ��͡�: A-4. �Ϥ��Ƕ��Linux�ǥ��ȥ�ӥ塼��Ǥϡ�MTA�Ȥ��sendmail�ʳ��Postfix��Ʊ��褦�ˤʤäƤ��Ƥ��ޤ��Redhat9�ʤɤǤϡ��redhat-switch-mail�ץ��ޥ�ɤʤɤǡ��ñ��ɸ��MTA��ڤ��ؤ��뤳�Ȥ��ǽ�Ǥ��ǥ��ȥ�ӥ塼��°��Postfix�ϥС��󤬸Ť��Ȥ�¿��Τǡ��Ǥ��ӥ�ɤ��褦�ˤ��ޤ��礦��
Q-5. �礭��ź�եե��뤬�Ĥ��᡼��Ǥ��ޤ��: A-5. 10MByte��10,240,000�˰ʾ�Υǡ��褦�Ȥ��ȡ�Postfix��Ƥ��ޤ��󡣥ǥե��ȤǤϺ��μ��10MB�ˤʤäƤ��ޤ��ѹ��ˤϡ�main.cf(ex. /etc/postfix/main.cf)��ǡ��message_size_limit=400000000�פȤ��褦�ˤ��ƺ��Υ�å��ѹ��ɬ�פ��ޤ��Ȥ��0��ꤷ��ˤϡ��¤Ϥ��ޤ��
Q-6. maildir��Υ᡼��ܥå��Postfix��б��Ƥ��ޤ��: A-6. maildir��qmail�Ǻ��Ѥ��줿�᡼��ܥå��η��ǡ��mailbox��ˤ��١��å��ñ�̤ǥե��¸��褦�ˤʤäƤ��mailbox��ǤϤ��٤ƤΥ�å��ե��¸��ˡ��㳲�˶��ޤ��ե��å��ե��륢��ͭ��ˤʤäƤ��ޤ��Postfix�Ǥ⤳��maildir��б��Ƥ��ޤ��ʥǥե��ȤǤ�mailbox��ˤʤäƤ��ޤ��ˡ�maildir��Ȥä��ˤϡ�pop��Ф�imap��Фʤɤ�maildir��б��Ǥ��ʤ��ȡ��᡼�뤬�ɤ�ʤ��ʤäƤ��ޤ��ޤ��
Q-7. ��˥��Ȥ��ʤ��桼��ƤΥ᡼��̤Υ᡼�륵��Ф�ž��褦�ˤ��ΤǤ��: Postfix�Υǥե��Ǥϡ��Ϥ��᡼��ΰ�̾��¸�ߤ��ʤ��Ȱ��ƤǤ��ä��ˡ��Υ᡼��֤��פȤ��ƽ��Ƥ��ޤ��ޤ��ˤ�äƤϤ��Υ᡼��̤Υ᡼�륵��Фؤ�ž��¸�ߤ��뤳�ȤǤ��礦��
��ϡ�
local_recipient_maps = unix:passwd.byname $alias_maps

�Ȥ��꤬�ǥե��Ȥ�ͭ��ˤʤäƤ��٤��롣
postfix�Ǥϡ�

fallback_transport = smtp:newms.hogehoge.co.jp

�Ȥ��򤹤��ǡ�¸�ߤ��ʤ��ɥ쥹��Υ᡼��򤳤��ǻ��ꤷ��̤Υ��С�newms.hogehoge.co.jp�ˤ�ž��ǽ�Ǥ��롣��ͭ��ˤ��٤ˤϡ�

local_recipient_maps =

�Ȥ��褦�ˡ�local_recipient_maps�פ��ˤ��ɬ�פ��롣
Q-8.DMZ��֤��Postfix�ǡ��Ϥ��᡼��򤹤٤��̤Υ᡼�륵��Ф�ž��ΤǤ��: Postfix��Ϥ��᡼��ϡ��밸�ƤΥ᡼��Ȥ��ƽ��Ƥ��ޤ��ޤ��DMZ��֤��Postfix��ФʤɤǤϡ��᡼��̤Ρ��Ρ˥᡼�륵��Ф�ž��褦�ʥ��ޤ��
��ξ��ˤϡ�

transport_maps = hash:/etc/postfix/transport

�Τ褦��ꤹ��ȤȤ�ˡ�/etc/postfixtransport�ե��ǡ�

domain.com smtp:inside-gateway.domain.com

�Ȥ��ä��Ҥ򤹤뤳�Ȥǡ�@domain.com��ƤΥ᡼��򤹤٤�inside-gateway.domain.com�Υ᡼�륵��Фؤ�ž��뤳�Ȥ��ǽ�Ǥ��

* transport �ơ��֥��Խ��顢�� postmap /etc/postfix/transport ��ޥ�ɤ�¹Ԥ��Ʋ��

* ��ѹ�� postfix reload ��ޥ�ɤ�¹Ԥ��Ƥ��

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