HP-UX Mailing Services Administrator's Guide (B2355-91064)

2 Configuring and Administering Sendmail....................................................................................37
Configuring Sendmail............................................................................................................37
Configuring Sendmail on a Standalone System...................................................................38
Configuring Sendmail on a Mail Server..............................................................................39
Configuring Sendmail on a Mail Client..............................................................................39
Verifying your Sendmail Installation..................................................................................41
Sending Mail to a Local User........................................................................................41
Using UUCP Addressing to Send Mail to a Remote User...............................................41
Using SMTP Transport to Send Mail to a Remote User...................................................42
Modifying the Default Sendmail Configuration File.................................................................43
The Sendmail Configuration File.......................................................................................43
Restarting Sendmail..........................................................................................................44
Sendmail Configuration Options.......................................................................................44
Maximum message size (option MaxMessageSize)........................................................45
Forwarding Nondomain Mail to a Gateway..................................................................45
Setting Mail Header Lengths........................................................................................45
Limiting Message Recipients........................................................................................45
Timeout.*....................................................................................................................45
DataFileBufferSize.......................................................................................................46
FallBackSmartHost......................................................................................................46
The FastSplit Option....................................................................................................47
XscriptFileBufferSize...................................................................................................48
MaxAliasRecursion.....................................................................................................48
PidFile........................................................................................................................48
ProcessTitlePrefix........................................................................................................48
TrustedUser................................................................................................................48
MaxMimeHeaderLength..............................................................................................48
DeadLetterDrop..........................................................................................................49
Socket Maps................................................................................................................49
DNS Maps..................................................................................................................50
The /usr/newconfig/etc/mail/cf/cf/gen_cf Script.............................................................52
Options Configured Using the /usr/newconfig/etc/mail/cf/cf/gen_cf Script......................54
Relay On...............................................................................................................54
Relay OFF.............................................................................................................54
Relay Entire Domain..............................................................................................54
Relay based on MX................................................................................................55
Relay hosts only.....................................................................................................55
Access db..............................................................................................................55
Relay local from.....................................................................................................56
Blacklist recipients.................................................................................................56
Accept unresolvable domains.................................................................................56
Accept unqualified senders ....................................................................................57
Realtime Blackhole List..........................................................................................57
Loose relay check...................................................................................................57
4 Table of Contents