Apple Mac OS X Server Migration For Version 10.3 or Later Uživatelský manuál

Mac OS X ServerMail ServiceAdministrationFor Version 10.3 or Later034-2349_Cvr 9/12/03 7:28 AM Page 1

10 Chapter 1 Mail Service Setup Mail Service ProtocolsA standard mail client setup uses SMTP to send outgoing email and POP and IMAP to receive inc

Chapter 1 Mail Service Setup 11 An advantage of using POP is that your server doesn’t need to store mail that users have downloaded. Therefore, you

12 Chapter 1 Mail Service Setup Where Mail Is StoredMail is stored in either an outgoing queue awaiting transfer to a remote server or in a local m

Chapter 1 Mail Service Setup 13 What Mail Service Doesn’t DoMac OS X Server’s mail service does not provide the following mail add-ons:• Virus filt

14 Chapter 1 Mail Service Setup Configuring DNS for Mail ServiceConfiguring DNS for mail service is enabling MX records with your own DNS server. I

Chapter 1 Mail Service Setup 15 Enabling Secure Mail Transport With SSLThe mail service requires some configuration to provide SSL connections auto

16 Chapter 1 Mail Service Setup Moving Mail Messages From Apple Mail Server to Mac OS X Server Version 10.3If you have upgraded your server from a

Chapter 1 Mail Service Setup 17 If you want to change this basic configuration, or if you have not set up your mail service, these are the major ta

18 Chapter 1 Mail Service Setup Step 7: Set up accounts for mail usersEach person who wants mail service must have a user account in a directory d

Chapter 1 Mail Service Setup 19 Configuring Incoming Mail ServiceThe mail service has settings for requiring various authentication methods for POP

K Apple Computer, Inc.© 2003 Apple Computer, Inc. All rights reserved. The owner or authorized user of a valid copy of Mac OS X Server software may

20 Chapter 1 Mail Service Setup Configuring SSL Transport for POP ConnectionsSSL transport enables mail transmitted over the network to be securely

Chapter 1 Mail Service Setup 21 Enabling Less Secure IMAP AuthenticationYour IMAP mail service can supply users’ passwords by less secure means. Th

22 Chapter 1 Mail Service Setup Configuring Outgoing Mail ServiceThe mail service includes an SMTP service for sending mail. Subject to restriction

Chapter 1 Mail Service Setup 23 Enabling Less Secure SMTP AuthenticationYour server can guard against being an open relay by requiring SMTP authent

24 Chapter 1 Mail Service Setup Relaying SMTP Mail Through Another ServerRather than delivering outgoing mail directly to its various destinations,

Chapter 1 Mail Service Setup 25 Configuring Email Client SoftwareUsers must configure their email client software to connect to your mail service.

26 Chapter 1 Mail Service Setup Creating an Administration AccountYou may need to create a mail administrator account to maintain and watch mail fo

Chapter 1 Mail Service Setup 27 4 In Terminal.app, enter the following command:postalias /etc/aliasesThe text file is processed into a database for

28 Chapter 1 Mail Service Setup Adding or Removing Virtual DomainsVirtual domains are other domains which can be used in email addresses for your m

Chapter 1 Mail Service Setup 29 Limiting Junk MailYou can configure your mail service to decrease the volume of unsolicited commercial mail, also k

3 1 Contents Preface 7 How to Use This Guide7 What’s Included in This Guide 7 Using This Guide 7 Setting Up Mac OS X Server for the First Time

30 Chapter 1 Mail Service Setup Restricting SMTP RelayYour mail service can restrict SMTP relay by allowing only approved hosts to relay mail. You

Chapter 1 Mail Service Setup 31 Rejecting SMTP Connections From Specific ServersYour mail service can reject unauthorized SMTP connections from hos

32 Chapter 1 Mail Service Setup Filtering SMTP ConnectionsYou can use the firewall service of Mac OS X Server to allow or deny access to your SMTP

2 332 Mail Service MaintenanceAfter setting up your mail service, there are some ongoing tasks to keep your mail service running efficiently and

34 Chapter 2 Mail Service Maintenance Reloading Mail ServiceSometimes it is necessary to reload the mail server for mail service setting changes to

Chapter 2 Mail Service Maintenance 35 Working With the Mail Store and DatabaseThe mail database keeps track of messages for all mail service users.

36 Chapter 2 Mail Service Maintenance Converting the Mail Store and Database From an Earlier VersionIf you have used any previous version of Apple

Chapter 2 Mail Service Maintenance 37 Specifying the Location for the Mail Database and Mail StoreIf you are starting mail service for the first ti

38 Chapter 2 Mail Service Maintenance If you’re using the UNIX Sendmail program or another mail transfer agent instead of Mac OS X Server’s SMTP se

Chapter 2 Mail Service Maintenance 39 Saving Mail Messages for Monitoring and Archival PurposesYou can configure mail service to send blind carbon

4 Contents 21 Configuring SSL Transport for IMAP Connections 22 Configuring Outgoing Mail Service 22 Enabling Secure SMTP Authentication 23 Enabling

40 Chapter 2 Mail Service Maintenance Viewing Overall Mail Service ActivityYou can use Server Admin to see an overview of mail service activity. Th

Chapter 2 Mail Service Maintenance 41 Setting Mail Service Log Detail LevelMail service logs can show several levels of reported detail. The three

42 Chapter 2 Mail Service Maintenance Dealing With a Full DiskMail services become erratic and suffer from data corruption if the disk storing your

Chapter 2 Mail Service Maintenance 43 Where to Find More InformationYou can find more information about mail service in books and on the Internet.B

44 Chapter 2 Mail Service Maintenance For more information about Postfix, go to: www.postfix.orgFor more information about Cyrus, go to: asg.web.cm

3 453 Mailing ListsMailing lists distribute a single email message to multiple recipients. Mailing lists differ from workgroups in a few fundamen

46 Chapter 3 Mailing Lists Defining a List NameThe list name is the email account name to which mailing list users will send their mail.To define a

Chapter 3 Mailing Lists 47 Changing a ListAfter a list is created, you can add or remove people from an existing list. You may want to give list ad

48 Chapter 3 Mailing Lists Changing Subscriber Posting PrivilegesSometimes you may want an “announce only” list, where recipients can’t post to the

Chapter 3 Mailing Lists 49 Administering ListsMailing lists can be administered by a designated list member, called “list administrators.” List adm

Contents 5 42 Working With Undeliverable Mail 42 Forwarding Undeliverable Incoming Mail 43 Where to Find More Information 43 Books 43 Internet Chapte

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51GlossaryGlossaryThis glossary defines terms and spells out abbreviations you may encounter while working with online help or other Mac OS X Se

52 Glossary LDA (local delivery agent) A mail service agent that transfers mail messages from incoming mail storage to the email recipient’s inbox

Glossary 53 ORBS (Open Relay Behavior-modification System) An Internet service that blacklists mail servers known to be or suspected of being ope

54 Glossary user name The long name for a user, sometimes referred to as the user’s “real” name. See also short name.virtual domain Another domai

55IndexIndexAadministratoraccess to mail database 38administrator access 38aliascreating for a user 26APOP (Authenticated POP) 19approved servers

56 Index list administratorabout 49designate 49list name, defining 46local delivery agent (LDA) 10logsarchiving 41mail service 40–41reclaimin

Index 57RRBL server 31RBL servers 31relay server 24resourcesmail service 43–44restricted SMTP relay 30RFC (Request for Comments) documents 4

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7 Preface How to Use This Guide What’s Included in This Guide This guide explains how to administer Mac OS X Server mail services. Using This

8 Preface How to Use This Guide Getting Help for Everyday Management Tasks If you want to change settings, monitor services, view service logs,

1 9 1 Mail Service Setup Mail service in Mac OS X Server allows network users to send and receive email over your network or across the Intern