PSI Group Server - Installing Mail Services

 yum install postfix system-switch-mail
 system-switch-mail 

 rm /etc/aliases.db
 service postfix restart
 echo "test" | mail root

 yum install dovecot
 chkconfig dovecot on
 service dovecot start
 system-config-securitylevel-tui 

 adduser psigroup
 passwd psigroup groupPSI
 echo "test" | mail psigroup

default_mail_env = maildir:/dsk1/_MAIL/%u/Maildir

# CHANGES from defaults here ONLY !
# send mail via
relayhost=schonlan.src.wits.ac.za
# 20MB
message_size_limit= 20480000
# 100MB
mailbox_size_limit=102400000

mydomain=psi.phys.wits.ac.za
inet_interfaces = all
mynetworks = 146.141.72.0/24

home_mailbox = Maildir/
mailbox_command = /usr/bin/procmail -a "$EXTENSION"

# for testing
soft_bounce=yes

MAILDIR=/dsk1/_MAIL/$LOGNAME/Maildir
DEFAULT=$MAILDIR/

--- /etc/log.d/scripts/services/postfix.orig_sash       2006-07-27 14:55:11.000000000 +0200
+++ /etc/log.d/scripts/services/postfix 2006-10-28 22:08:57.000000000 +0200
@@ -137,7 +137,8 @@
       ( $ThisLine =~ m/^warning: numeric domain name in resource data of MX record for .*$/ ) or
       ( $ThisLine =~ m/^warning: premature end-of-input from cleanup socket while reading input attribute name$/ ) or
       ( $ThisLine =~ m/^warning: uid=\d: Broken pipe$/ ) or
-      ( $ThisLine =~ m/^verify error:num=/ )
+      ( $ThisLine =~ m/^verify error:num=/ ) or
+      ( $ThisLine =~ m/^statistcs: / )
    ) {
       # We don't care about these
    } elsif ( ($Bytes) = ($ThisLine =~ /^[a-zA-Z0-9]+: from=.*size=([0-9]+).*$/) ) {
@@ -152,12 +153,15 @@
    } elsif ((undef,$User) = ($ThisLine =~ /^[a-zA-Z0-9]+: reject: RCPT from ([^ ]*): [0-9]+ <([^ ]*)>: User unknown in virtual mailbox table;/)) {
       # unknown virtual user
       $UnknownUsers{$User}++;
-   } elsif (($User) = ($ThisLine =~ /^[a-zA-Z0-9]+: to\=\<([^ ]*)>, .*, status\=bounced .*: User unknown in virtual mailbox table/)) {
+   } elsif (($User) = ($ThisLine =~ /^[a-zA-Z0-9]+: to\=\<([^ ]*)>, .*, status\=bounced .*: User unknown in virtual alias table/)) {
       # another unknown user probably could combine with local unknown but again my perl is weak
       $UnknownUsers{$User}++;
    } elsif ((undef,$User) = ($ThisLine =~ /^[a-zA-Z0-9]+: reject: RCPT from ([^ ]*): [0-9]+ <([^ ]*)>.*: User unknown in local recipient table/)) {
       # and yet another unknown user probably
       $UnknownUsers{$User}++;
+   } elsif ((undef,$User) = ($ThisLine =~ /^[a-zA-Z0-9]+: reject: RCPT from ([^ ]*): [0-9]+ <([^ ]*)>.*: User unknown in virtual alias table/)) {
+      # and yet another unknown user probably
+      $UnknownUsers{$User}++;
    } elsif (($Dest, $Relay, $Msg) = ($ThisLine =~ /^[a-zA-Z0-9]+: to\=\<([^ ]*)>, relay=([^ ]*).*, delay\=-?[0-9]+, status\=bounced \(([^)]*)/ )) {
       # unknown user
       # $Msg = " hello "

$domain                 = 'psi.phys.wits.ac.za';
$imap_server_type       = 'dovecot';
$imapServerAddress      = 'localhost';
$imapPort               = 143;
$useSendmail            = false;
$smtpServerAddress      = 'localhost';
$smtpPort               = 25;
$default_folder_prefix          = '';
$trash_folder                   = 'Trash';
$sent_folder                    = 'Sent';
$draft_folder                   = 'Drafts';
$show_prefix_option		= false;
$default_sub_of_inbox		= false;
$show_contain_subfolders_option = false;
$optional_delimiter		= 'detect';
$delete_folder			= false;
$force_username_lowercase 	= true;

setsebool -P httpd_can_network_connect=1

MTA = 'Postfix'
DEFAULT_URL_PATTERN = 'https://%s/mailman/'

# for Mailman:
alias_maps = hash:/etc/aliases,hash:/etc/mailman/aliases
recipient_delimiter = +
unknown_local_recipient_reject_code = 550

# allow postalias to update mailman's  aliases
allow postfix_master_t mailman_data_t:dir { search write add_name remove_name };
allow postfix_master_t mailman_data_t:file { getattr read create write rename lock };

# allow reading mailman's  aliases
allow postfix_local_t mailman_data_t:file { read getattr lock };
allow postfix_smtpd_t mailman_data_t:dir search;
allow postfix_smtpd_t mailman_data_t:file { read getattr lock };

# allow postfix to execute mailman
allow postfix_local_t lib_t:file execute_no_trans;
allow postfix_postqueue_t unconfined_t:fifo_file write;

# allow logging
allow postfix_local_t var_log_t:dir search;
allow postfix_local_t mailman_log_t:dir search;
allow postfix_local_t mailman_log_t:file { append read getattr };

# operations on spool
allow postfix_local_t mailman_data_t:dir { write add_name remove_name create };
allow postfix_local_t mailman_data_t:file { create write rename };

# now allow the CGI to create a new mailing list
allow mailman_cgi_t postfix_etc_t:dir search;
allow mailman_cgi_t postfix_etc_t:file { read getattr };
allow mailman_cgi_t urandom_device_t:chr_file read;
allow mailman_cgi_t var_run_t:dir search;
allow mailman_cgi_t nscd_var_run_t:dir search;