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This edition of the Mailfromd Manual, last updated 5 January 2024,
documents mailfromd Version 9.0.
| • Preface | Short description of this manual; brief history and acknowledgments. | |
| • Intro | Introduction to Mailfromd. | |
| • Building | Building the Package. | |
| • Tutorial | Mailfromd Tutorial. | |
| • MFL | The Mail Filtering Language. | |
| • Library | The MFL Library Functions. | |
| • Using MFL Mode | Using the GNU Emacs MFL Mode. | |
| • Mailfromd Configuration | Configuring mailfromd.
| |
| • Invocation | How to Start and Stop mailfromd.
| |
| • MTA Configuration | Using mailfromd with Various MTAs
| |
| • calloutd | A Stand-Alone Callout Daemon. | |
| • mfdbtool | A Database Management Tool. | |
| • mtasim | An MTA simulator. | |
| • pmult | Pmilter multiplexer program. | |
| • Reporting Bugs | How to Report a Bug. | |
Appendices | ||
|---|---|---|
| • Gacopyz | ||
| • Time and Date Formats | ||
| • Upgrading | ||
| • Copying This Manual | The GNU Free Documentation License. | |
| • Concept Index | Index of Concepts. | |
| • This Manual in Other Formats | ||
— The Detailed Node Listing — Preface | ||
| • History | Short mailfromd history.
| |
| • Acknowledgments | Acknowledgments. | |
Introduction to | ||
| • Conventions | Typographical conventions. | |
| • Overview | Mailfromd at a first glance | |
| • SAV | Principles of Sender Address Verification. | |
| • Rate Limit | Controlling Mail Sending Rate. | |
| • SPF | SPF, DKIM, and others. | |
Sender Address Verification. | ||
| • Limitations | ||
Tutorial | ||
| • Start Up | ||
| • Simplest Configurations | ||
| • Conditional Execution | ||
| • Functions and Modules | ||
| • Domain Name System | ||
| • Checking Sender Address | ||
| • SMTP Timeouts | ||
| • Avoiding Verification Loops | ||
| • HELO Domain | ||
| • rset | ||
| • Controlling Number of Recipients | ||
| • Sending Rate | ||
| • Greylisting | ||
| • Local Account Verification | ||
| • Databases | ||
| • Testing Filter Scripts | ||
| • Run Mode | ||
| • Examining Defaults | ||
| • Logging and Debugging | ||
| • Runtime errors | ||
| • Notes | ||
Databases | ||
| • Database Formats | ||
| • Basic Database Operations | ||
| • Database Maintenance | ||
Run Mode | ||
| • top-block | The Top of a Script File. | |
| • getopt | Parsing Command Line Arguments. | |
Mail Filtering Language | ||
| • Comments | Comments. | |
| • include | ||
| • line | ||
| • Generated warnings and errors | ||
| • Pragmas | Pragmatic comments. | |
| • Data Types | ||
| • Numbers | ||
| • Literals | ||
| • Here Documents | ||
| • Sendmail Macros | ||
| • Constants | ||
| • Variables | ||
| • Back references | ||
| • Handlers | ||
| • Special handlers | Initialization and cleanup handlers. | |
| • Functions | Functions. | |
| • Expressions | Expressions. | |
| • Shadowing | Variable and Constant Shadowing. | |
| • Statements | ||
| • Conditionals | Conditional Statements. | |
| • Loops | Loop Statements. | |
| • Exceptions | Exceptional Conditions and their Handling. | |
| • Polling | Sender Verification Tests. | |
| • Modules | Modules are Collections of Useful Functions. | |
| • mfmod | Dynamically Loaded Modules. | |
| • Preprocessor | Input Text Is Preprocessed. | |
| • Filter Script Example | A Working Filter Script Explained. | |
| • Reserved Words | A Reference List of Reserved Words. | |
Pragmatic comments | ||
| • prereq | Pragma prereq. | |
| • stacksize | Pragma stacksize. | |
| • regex | Pragma regex. | |
| • dbprop | Pragma dbprop. | |
| • greylist | Pragma greylist. | |
| • miltermacros | Pragma miltermacros. | |
| • provide-callout | Pragma provide-callout. | |
Constants | ||
| • Built-in constants | ||
Variables | ||
| • Predefined variables | ||
Functions | ||
| • Some Useful Functions | ||
Expressions | ||
| • Constant expressions | String and Numeric Constants. | |
| • Function calls | A Function Call is an Expression. | |
| • Concatenation | String Concatenation. | |
| • Arithmetic operations | ‘+’, ‘-’, etc. | |
| • Bitwise shifts | ‘<<’ and ‘>>’. | |
| • Relational expressions | ‘=’, ‘<’, etc. | |
| • Special comparisons | matches, mx matches, etc.
| |
| • Boolean expressions | and, or, not.
| |
| • Precedence | How various operators nest. | |
| • Type casting | ||
Statements | ||
| • Actions | Actions control the handling of the mail. | |
| • Assignments | ||
| • Pass | ||
| • Echo | ||
Exceptional Conditions | ||
| • Built-in Exceptions | ||
| • User-defined Exceptions | ||
| • Catch and Throw | ||
Modules | ||
| • module structure | Declaring Modules | |
| • scope of visibility | ||
| • import | Require and Import | |
Dynamically Loaded Modules | ||
| • Loadable Library | ||
| • Interface Module | ||
| • mfmodnew | Creating a Mfmod Structure | |
Creating a Mfmod Structure | ||
| • mfmodnew invocation | ||
The MFL Library Functions | ||
| • Macro access | ||
| • Character translation | ||
| • String transformation | ||
| • String manipulation | ||
| • String formatting | ||
| • Character Type | ||
| • I/O functions | ||
| • Filtering functions | ||
| • Email processing functions | ||
| • Envelope modification functions | ||
| • Header modification functions | ||
| • Body Modification Functions | ||
| • Message modification queue | ||
| • Mail header functions | ||
| • Mail body functions | ||
| • EOM Functions | ||
| • Current Message Functions | ||
| • Mailbox functions | ||
| • Message functions | ||
| • Quarantine functions | ||
| • SMTP Callout functions | ||
| • Compatibility Callout functions | ||
| • Internet address manipulation functions | ||
| • DNS functions | ||
| • Geolocation functions | ||
| • Database functions | ||
| • Control database | ||
| • System functions | ||
| • Passwd functions | ||
| • Sieve Interface | ||
| • Interfaces to Third-Party Programs | ||
| • Rate limiting functions | ||
| • Greylisting functions | ||
| • Special test functions | ||
| • Mail Sending Functions | ||
| • Blacklisting Functions | ||
| • SPF Functions | ||
| • DKIM | ||
| • Sockmaps | ||
| • NLS Functions | ||
| • Syslog Interface | ||
| • Debugging Functions | ||
| • Informative Functions | ||
| • Mfmod Interface | ||
Message Functions | ||
| • Header functions | ||
| • Message body functions | ||
| • MIME functions | ||
| • Message digest functions | ||
Interfaces to Third-Party Programs | ||
| • SpamAssassin | ||
| • ClamAV | ||
DKIM | ||
| • Setting up a DKIM record | ||
Configuring | ||
| • conf-types | Special Configuration Data Types | |
| • conf-base | Base Mailfromd Configuration | |
| • conf-preprocessor | Preprocessor Configuration | |
| • conf-resolver | DNS Resolver Configuration | |
| • conf-server | Server Configuration | |
| • conf-milter | Milter Connection Configuration | |
| • conf-debug | Logging and Debugging configuration | |
| • conf-timeout | Timeout Configuration | |
| • conf-callout | Call-out Configuration | |
| • conf-priv | Privilege Configuration | |
| • conf-database | Database Configuration | |
| • conf-runtime | Runtime Constants | |
| • conf-mailutils | Standard Mailutils Statements | |
| ||
| • options | Command Line Options. | |
| • Starting and Stopping | How to Start and Shut Down the Daemon. | |
Command Line Options. | ||
| • Operation Modifiers | ||
| • General Settings | ||
| • Preprocessor Options | ||
| • Timeout Control | ||
| • Logging and Debugging Options | ||
| • Informational Options | ||
Using | ||
| • Sendmail | ||
| • MeTA1 | ||
| • Postfix | ||
| ||
| • config-calloutd | Calloutd Configuration. | |
| • invocation-calloutd | Calloutd Command-Line Options. | |
| • protocol-calloutd | The Callout Protocol. | |
Calloutd Configuration | ||
| • conf-calloutd-setup | calloutd General Setup.
| |
| • conf-calloutd-server | The server Statement.
| |
| • conf-calloutd-log | calloutd Logging.
| |
| ||
| • Invoking mfdbtool | ||
| • Configuring mfdbtool | ||
| ||
| • interactive mode | ||
| • expect commands | ||
| • traces | ||
| • daemon mode | ||
| • command summary | ||
| • option summary | ||
Pmilter multiplexer program. | ||
| • pmult configuration | ||
| • pmult example | ||
| • pmult invocation | ||
Pmult Configuration | ||
| • pmult-conf | Multiplexer Configuration. | |
| • pmult-macros | Translating MeTA1 macros. | |
| • pmult-client | Pmult Client Configuration. | |
| • pmult-debug | Debugging Pmult. | |
Upgrading | ||
| • 8140-8150 | Upgrading from 8.14 to 8.15 | |
| • 8130-8140 | Upgrading from 8.13 to 8.14 | |
| • 870-880 | Upgrading from 8.7 to 8.8 | |
| • 850-860 | Upgrading from 8.5 to 8.6 | |
| • 820-830 | Upgrading from 8.2 to 8.3 (or 8.4) | |
| • 700-800 | Upgrading from 7.0 to 8.0 | |
| • 600-700 | Upgrading from 6.0 to 7.0 | |
| • 5x0-600 | Upgrading from 5.x to 6.0 | |
| • 500-510 | Upgrading from 5.0 to 5.1 | |
| • 440-500 | Upgrading from 4.4 to 5.0 | |
| • 43x-440 | Upgrading from 4.3.x to 4.4 | |
| • 420-43x | Upgrading from 4.2 to 4.3.x | |
| • 410-420 | Upgrading from 4.1 to 4.2 | |
| • 400-410 | Upgrading from 4.0 to 4.1 | |
| • 31x-400 | Upgrading from 3.1.x to 4.0 | |
| • 30x-31x | Upgrading from 3.0.x to 3.1 | |
| • 2x-30x | Upgrading from 2.x to 3.0.x | |
| • 1x-2x | Upgrading from 1.x to 2.x | |