Sendmail 8.13.3 Programmer's Guide
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HP-UX 11i v1 Networking Software
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Table Of Contents
1 Introduction
Milter Overview
Milter-Related Files
Header Files
Library
Implementing Filtering Policies
Communication Between an MTA and Milter
Before You Begin
2 Milter APIs
Library Control APIs
The smfi_register() API
The smfi_setconn() API
The smfi_settimeout() API
The smfi_main() API
The smfi_opensocket() API
The smfi_setdbg() API
The smfi_stop() API
Data Access APIs
The smfi_getsymval() API
The smfi_getpriv() API
The smfi_setpriv() API
The smfi_setreply() API
The smfi_setmlreply() API
Message Modification APIs
The smfi_addheader() API
The smfi_chgheader() API
The smfi_insheader() API
The smfi_addrcpt() API
The smfi_delrcpt() API
The smfi_replacebody() API
Other Message Handling APIs
The smfi_progress() API
The smfi_quarantine() API
Callbacks
The xxfi_connect() Callback
The xxfi_helo() Callback
The xxfi_envfrom() Callback
The xxfi_envrcpt() Callback
The xxfi_header() Callback
The xxfi_eoh() Callback
The xxfi_body() Callback
The xxfi_eom() Callback
The xxfi_abort() Callback
The xxfi_close() Callback
3 Control Flow of Milter APIs
Call Order Sequence
Initialization Parameters for Filter Applications
Sample Filter Pseudocode
Multithreading
Resource Management
Signal Handling
4 Configuring and Compiling Milter APIs
Compiling and Installing Your Filter
Configuring Milter in Sendmail
5 Sample Program
Milter Sample Program
Milter APIs
Chapter 2
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“Library Control APIs” on page 11
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“Data Access APIs” on page 18
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“Message Modification APIs” on page 25
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“Other Message Handling APIs” on page 34
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“Callbacks” on page 36
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