diff options
Diffstat (limited to 'fetchmail.man')
| -rw-r--r-- | fetchmail.man | 88 |
1 files changed, 55 insertions, 33 deletions
diff --git a/fetchmail.man b/fetchmail.man index 585cc5e3..611bfc49 100644 --- a/fetchmail.man +++ b/fetchmail.man @@ -1115,17 +1115,21 @@ The .B \-\-postmaster <name> option (keyword: set postmaster) specifies the last-resort username to which multidrop mail is to be forwarded if no matching local recipient -can be found. Normally this is just the user who invoked +can be found. It is also used as destination of undeliverable mail if +the 'bouncemail' global option is off and additionally for spam-blocked +mail if the 'bouncemail' global option is off and the 'spambounce' +global option is on. This option defaults to the user who invoked .IR fetchmail . If the invoking user is root, then the default of this option is the user 'postmaster'. Setting postmaster to the empty string causes -such mail to be discarded. +such mail as described above to be discarded - this however is usually a +bad idea. +See also the description of the 'FETCHMAILUSER' environment variable in +the ENVIRONMENT section below. .PP The .B \-\-nobounce -option suppresses the normal action of bouncing errors back to the -sender in an RFC1894-conformant error message. If nobounce is on, the -message will go to the postmaster instead. +behaves like the "set no bouncemail" global option, which see. .PP The .B \-\-invisible @@ -1268,9 +1272,9 @@ spam message bodies. .PP By default, the list of antispam responses is empty. .PP -If the \fIspambounce\fR option is on, mail that is spam-blocked -triggers an RFC1892 bounce message informing the originator that we do -not accept mail from it. See also BUGS. +If the \fIspambounce\fR global option is on, mail that is spam-blocked +triggers an RFC1892/RFC1894 bounce message informing the originator that +we do not accept mail from it. See also BUGS. .SH SMTP/ESMTP ERROR HANDLING Besides the spam-blocking described above, fetchmail takes special @@ -1347,10 +1351,10 @@ safely, or easily disable entries for hosts that are temporarily down.) .PP .SS Keyword/Option Summary Here are the legal options. Keyword suffixes enclosed in -square brackets are optional. Those corresponding to command-line -options are followed by '-' and the appropriate option letter. -If option is only relevant to a single mode of operation, it is noted -as 's' or 'm' for singledrop- or multidrop-mode, respectively. +square brackets are optional. Those corresponding to short command-line +options are followed by '-' and the appropriate option letter. If +option is only relevant to a single mode of operation, it is noted as +'s' or 'm' for singledrop- or multidrop-mode, respectively. Here are the legal global options: @@ -1358,32 +1362,45 @@ Here are the legal global options: l l l lw34. Keyword Opt Mode Function _ -set daemon \& \& T{ -Set a background poll interval in seconds +set daemon -d \& T{ +Set a background poll interval in seconds. T} set postmaster \& \& T{ -Give the name of the last-resort mail recipient +Give the name of the last-resort mail recipient (default: user running +fetchmail, "postmaster" if run by the root user) +T} +set bouncemail \& \& T{ +Direct error mail to the sender (default) T} set no bouncemail \& \& T{ -Direct error mail to postmaster rather than sender +Direct error mail to the local postmaster (as per the 'postmaster' +global option above). T} set no spambounce \& \& T{ -Send spam bounces +Do not bounce spam-blocked mail (default). +T} +set spambounce \& \& T{ +Bounce blocked spam-blocked mail (as per the 'antispam' user option) +back to the destination as indicated by the 'bouncemail' global option. +Warning: Do not use this to bounce spam back to the sender - most spam +is sent with false sender address and thus this option hurts innocent +bystanders. T} -set logfile \& \& T{ -Name of a file to dump error and status messages to +set logfile -L \& T{ +Name of a file to append error and status messages to. T} -set idfile \& \& T{ -Name of the file to store UID lists in +set idfile -i \& T{ +Name of the file to store UID lists in. T} -set syslog \& \& T{ +set syslog \& \& T{ Do error logging through syslog(3). T} set no syslog \& \& T{ -Turn off error logging through syslog(3). +Turn off error logging through syslog(3). (default) T} set properties \& \& T{ -String value is ignored by fetchmail (may be used by extension scripts) +String value that is ignored by fetchmail (may be used by extension +scripts). T} .TE @@ -1404,7 +1421,11 @@ local[domains] \& m T{ Specify domain(s) to be regarded as local T} port -P \& T{ -Specify TCP/IP service port +Specify TCP/IP service port (obsolete, use service instead). +T} +port -P \& T{ +Specify service name (a numeric value is also allowed and +considered a TCP/IP port number). T} auth[enticate] \& \& T{ Set authentication type (default 'any') @@ -1436,7 +1457,7 @@ T} plugout \& \& T{ Specify command through which to make listener connections. T} -dns \& m T{ +dns \& m T{ Enable DNS lookup for multidrop (default) T} no dns \& m T{ @@ -1449,7 +1470,7 @@ no checkalias \& m T{ Do comparison by name for multidrop (default) T} uidl -U \& T{ -Force POP3 to use client-side UIDLs +Force POP3 to use client-side UIDLs (recommended) T} no uidl \& \& T{ Turn off POP3 use of client-side UIDLs (default) @@ -1687,9 +1708,9 @@ matching addresses are handled. .PP If \fIfetchmail\fR cannot match any mailserver usernames or localdomain addresses, the mail will be bounced. -Normally it will be bounced to the sender, but if 'nobounce' is on -it will go to the postmaster (which in turn defaults to being the -calling user). See also BUGS. +Normally it will be bounced to the sender, but if the 'bouncemail' +global option is off, the mail will go to the local postmaster instead. +(see the 'postmaster' global option). See also BUGS. .PP The 'dns' option (normally on) controls the way addresses from multidrop mailboxes are checked. On, it enables logic to check each @@ -1866,7 +1887,7 @@ See the description of the 'auth' keyword for more. Specifying 'kpop' sets POP3 protocol over port 1109 with Kerberos V4 authentication. These defaults may be overridden by later options. .PP -There are currently four global option statements; 'set logfile' +There are some global option statements: 'set logfile' followed by a string sets the same global specified by --logfile. A command-line --logfile option will override this. Also, 'set daemon' sets the poll interval as --daemon does. This can be overridden by a @@ -2369,8 +2390,9 @@ temporarily discards any suid privileges it may have while running the MDA. For maximum safety, however, don't use an mda command containing %F or %T when fetchmail is run from the root account itself. .PP -Fetchmail's method of sending bouncemail and spam bounces requires that -port 25 of localhost be available for sending mail via SMTP. +Fetchmail's method of sending bounces due to errors or spam-blocking and +spam bounces requires that port 25 of localhost be available for sending +mail via SMTP. .PP If you modify a .I ~/.fetchmailrc |