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| Foreword | |
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| Preface | |
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| What is Promail? | |
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| What is Procmail for? | |
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| The Basics of Email | |
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| The History | |
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| The Ingredients | |
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| Setting Up Procmail | |
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| Obtaining and Installing Procmail | |
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| Controlling Mail Delivery with Procmail | |
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| Setting Up Procmail for Users | |
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| Creating a .forward file | |
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| Running Procmail Manually | |
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| Running Procmail Manually to Reprocess a Mailbox | |
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| Running Procmail Manually to Test Recipes | |
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| Debugging Procmail Recipes | |
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| Simple Filtering of Email with Procmail | |
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| Setting Up a Basic .procmailrc file | |
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| Improving Efficiency | |
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| It Is Never That Easy | |
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| Making Copies | |
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| Multiple Conditions in a Recipe | |
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| Disposing of Emails | |
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| Working with Emails by Size | |
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| Nesting Blocks | |
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| Summary | |
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| More Complex Filtering Using Procmail Regular Expressions | |
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| Regular Expressions | |
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| Matching Beginnings and Ends | |
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| Matching Individual Characters | |
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| Character Classes | |
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| Sequence Meta-characters | |
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| Wildcard Confusion | |
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| Word Boundaries | |
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| Built-in Shortcuts | |
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| Defining Variables | |
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| Using the Head and the Body | |
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| Other Recipe Flags | |
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| Adding Complexity to Conditional Lines | |
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| Matching a Condition in the Head or Body | |
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| Matching a Condition against a Variable | |
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| Or Conditionals and the Else Flag | |
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| Backreferences—What You Have Already Matched | |
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| Scoring | |
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| The Theory of Scoring | |
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| Limits | |
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| External Programs | |
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| Capturing Output into Variables | |
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| Extracting Data from Email and Filter Recipes | |
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| Using External Programs in Condition Lines | |
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| Where the External Programs are to be Found | |
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| Using Procmail to Manage Mailing Lists | |
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| Announcement Mailing List | |
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| Discussion List | |
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| Dedicated Mailing List Software | |
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| Troubleshooting | |
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| Diagnostic Messages | |
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| Invoking Procmail | |
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| Procmail as a Delivery Agent | |
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| Procmail as a General Purpose Mail Filter | |
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| Procmail as a Mail Reprocessor | |
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| Invoking Formail | |
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| Macros and Evironment Variables | |
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| Variables | |
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| Recipe Syntax | |
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| Variables | |
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| Comments | |
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| Comments Cannot Occur on Condition Lines | |
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| Comments Must be Outside Quoted Strings | |
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| Comments Depend on what Precedes the # | |
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| Recipes | |
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| Colon Line | |
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| Locking | |
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| Conditions | |
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| Regular Expressions | |
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| Actions | |
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| Regular Expression in Meta-characters | |
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| Regular Expression Shortcuts | |
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| Condition Types | |
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| Condition Line Flags | |
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| Cookbook | |
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| The Basics | |
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| Basics .prc | |
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| Directing Email to Separate Mailboxes | |
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| Problem | |
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| Recipe | |
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| Explanation | |
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| Directing a Single Email to Multiple Mailboxes | |
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| Problem | |
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| Recipe | |
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| Explanation | |
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| Handling Email from Mailing Lists | |
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| Problem | |
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| Recipe | |
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| Explanation | |
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| OR-ing Conditions | |
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| Problem | |
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| Recipe | |
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| Explanation | |
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| Recognising Text that can be Split Across a Line-end | |
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| Problem | |
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| Recipe | |
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| Explanation | |
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| Removing ListName from Subject Lines | |
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| Problem | |
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| Recipe | |
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| Explanation | |
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| Setting the Default Delivery Location to be a Forwarding Address | |
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| Problem | |
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| Recipe | |
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| Explanation | |
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| Sample Build | |
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| Index | |