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Old 10th August 2013, 16:03
jan-paul jan-paul is offline
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Default Client can't send email

I have searched for days now and have not come to a solution for this problem. The problem is that my client can't send email through my server. I myself do not have a problem with sending email. I know that port 25 is closed by the ISP of my client and it is not closed by my ISP.

To solve the issue I added the following line in #/etc/postfix/master.cf:
Code:
1984    inet    n       -       -       -       -       smtpd
So now the top lines look like:
Code:
smtpd     pass  -       -       n       -       -       smtpd
smtp      inet  n       -       -       -       -       smtpd
smtps   inet n   -   n   - - smtpd
      -o smtpd_sasl_auth_enable=yes
      -o smtpd_reject_unlisted_sender=yes
      -o smtpd_recipient_restrictions=permit_sasl_authenticated,reject
      -o broken_sasl_auth_clients=yes
#smtp      inet  n       -       -       -       -       postscreen
1984    inet    n       -       -       -       -       smtpd
tlsproxy  unix  -       -       n       -       0       tlsproxy
dnsblog   unix  -       -       n       -       0       dnsblog
I had my VPS provider make an rDNS value. I had them open up port 1984 (in the shared managed firewall they have for my server). Furthermore I made use of some help from other users involving securing email but I don't think that it was of much help. The issue remains.

I suspect that my master.cf and main.cf of postfix contain errors but I am not experienced enough to see what that errors are. Perhaps somebody that knows a lot about these things can help me out.

#/etc/postfix/master.cf:
Code:
smtpd     pass  -       -       n       -       -       smtpd

smtp      inet  n       -       -       -       -       smtpd
smtps   inet n   -   n   - - smtpd
      -o smtpd_sasl_auth_enable=yes
      -o smtpd_reject_unlisted_sender=yes
      -o smtpd_recipient_restrictions=permit_sasl_authenticated,reject
      -o broken_sasl_auth_clients=yes

#smtp      inet  n       -       -       -       -       postscreen
1984    inet    n       -       -       -       -       smtpd

tlsproxy  unix  -       -       n       -       0       tlsproxy
dnsblog   unix  -       -       n       -       0       dnsblog

#628      inet  n       -       -       -       -       qmqpd
pickup    fifo  n       -       -       60      1       pickup
cleanup   unix  n       -       -       -       0       cleanup
qmgr      fifo  n       -       n       300     1       qmgr
#qmgr     fifo  n       -       -       300     1       oqmgr
tlsmgr    unix  -       -       -       1000?   1       tlsmgr
rewrite   unix  -       -       -       -       -       trivial-rewrite
bounce    unix  -       -       -       -       0       bounce
defer     unix  -       -       -       -       0       bounce
trace     unix  -       -       -       -       0       bounce
verify    unix  -       -       -       -       1       verify
flush     unix  n       -       -       1000?   0       flush
proxymap  unix  -       -       n       -       -       proxymap
proxywrite unix -       -       n       -       1       proxymap
smtp      unix  -       -       -       -       -       smtp
relay     unix  -       -       -       -       -       smtp
        -o smtp_fallback_relay=
#       -o smtp_helo_timeout=5 -o smtp_connect_timeout=5
showq     unix  n       -       -       -       -       showq
error     unix  -       -       -       -       -       error
retry     unix  -       -       -       -       -       error
discard   unix  -       -       -       -       -       discard
local     unix  -       n       n       -       -       local
virtual   unix  -       n       n       -       -       virtual
lmtp      unix  -       -       -       -       -       lmtp
anvil     unix  -       -       -       -       1       anvil
scache    unix  -       -       -       -       1       scache
maildrop  unix  -       n       n       -       -       pipe
  flags=DRhu user=vmail argv=/usr/bin/maildrop -d vmail ${extension} ${recipient} ${user} ${nexthop} ${sender}
uucp      unix  -       n       n       -       -       pipe
  flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)

ifmail    unix  -       n       n       -       -       pipe
  flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
bsmtp     unix  -       n       n       -       -       pipe
  flags=Fq. user=bsmtp argv=/usr/lib/bsmtp/bsmtp -t$nexthop -f$sender $recipient
scalemail-backend unix  -       n       n       -       2       pipe
  flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store ${nexthop} ${user} ${extension}
mailman   unix  -       n       n       -       -       pipe
  flags=FR user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py
  ${nexthop} ${user}

amavis unix - - - - 2 smtp
        -o smtp_data_done_timeout=1200
        -o smtp_send_xforward_command=yes

127.0.0.1:10025 inet n - - - - smtpd
        -o content_filter=
        -o local_recipient_maps=
        -o relay_recipient_maps=
        -o smtpd_restriction_classes=
        -o smtpd_client_restrictions=
        -o smtpd_helo_restrictions=
        -o smtpd_sender_restrictions=
        -o smtpd_recipient_restrictions=permit_mynetworks,reject
        -o mynetworks=127.0.0.0/8
        -o strict_rfc821_envelopes=yes
        -o receive_override_options=no_unknown_recipient_checks,no_header_body_checks
        -o smtpd_bind_address=127.0.0.1

policy-spf  unix  -       n       n       -       -       spawn
     user=nobody argv=/usr/bin/policyd-spf
#/etc/postfix/main.cf:
Code:
#myorigin = /etc/mailname

smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
biff = no

append_dot_mydomain = no

#delay_warning_time = 4h

readme_directory = /usr/share/doc/postfix

smtpd_tls_cert_file = /etc/postfix/smtpd.cert
smtpd_tls_key_file = /etc/postfix/smtpd.key
smtpd_use_tls = yes
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache

myhostname = server1.biggee.nl
alias_maps = hash:/etc/aliases, hash:/var/lib/mailman/data/aliases
alias_database = hash:/etc/aliases, hash:/var/lib/mailman/data/aliases
myorigin = /etc/mailname
mydestination = server1.biggee.nl, localhost, localhost.localdomain
relayhost =
mynetworks = 127.0.0.0/8 [::1]/128
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
html_directory = /usr/share/doc/postfix/html
virtual_alias_domains =
virtual_alias_maps = proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf, proxy:mysql:/etc/postfix/mysql-virtual_email2email.cf, hash:/var/lib/mailman/data/virtual-mailman
virtual_mailbox_domains = proxy:mysql:/etc/postfix/mysql-virtual_domains.cf
virtual_mailbox_maps = proxy:mysql:/etc/postfix/mysql-virtual_mailboxes.cf
virtual_mailbox_base = /var/vmail
virtual_uid_maps = static:5000
virtual_gid_maps = static:5000

smtpd_sasl_auth_enable = yes
broken_sasl_auth_clients = yes
smtpd_sasl_authenticated_header = yes
smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination
smtpd_tls_security_level = may
transport_maps = proxy:mysql:/etc/postfix/mysql-virtual_transports.cf
relay_domains = mysql:/etc/postfix/mysql-virtual_relaydomains.cf
relay_recipient_maps = mysql:/etc/postfix/mysql-virtual_relayrecipientmaps.cf
proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $virtual_mailbox_maps $virtual_mailbox_domains $relay_recipient_maps $relay_do$
smtpd_sender_restrictions = check_sender_access mysql:/etc/postfix/mysql-virtual_sender.cf
smtpd_client_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unknown_client_hostname, check_client_access mysql:/etc/postfix/mysql-virtual_client.cf
smtpd_client_message_rate_limit = 100
smtpd_data_restrictions = reject_unauth_pipelining
smtpd_delay_reject = yes
maildrop_destination_concurrency_limit = 1
maildrop_destination_recipient_limit = 1
virtual_transport = maildrop
header_checks = regexp:/etc/postfix/header_checks
mime_header_checks = regexp:/etc/postfix/mime_header_checks
nested_header_checks = regexp:/etc/postfix/nested_header_checks
body_checks = regexp:/etc/postfix/body_checks
owner_request_special = no
content_filter = amavis:[127.0.0.1]:10024
receive_override_options = no_address_mappings
smtpd_tls_CAfile = /usr/local/ispconfig/interface/ssl/startssl.chain.class1.server.crt

postscreen_access_list = permit_mynetworks, cidr:/etc/postfix/postscreen_access.cidr
postscreen_dnsbl_threshold = 8
postscreen_dnsbl_sites = dnsbl.ahbl.org*3 dnsbl.njabl.org*3 dnsbl.sorbs.net*3 pbl.spamhaus.org*3 cbl.abuseat.org*3 bl.spamcannibal.org*3 nsbl.inps.de*3 spamrbl.imp.ch*3
postscreen_dnsbl_action = enforce
postscreen_greet_action = enforce
My linux version:
Linux server1.biggee.nl 2.6.32-44-server #98-Ubuntu SMP Mon Sep 24 17:41:33 UTC 2012 x86_64 GNU/Linux
Distributor ID: Ubuntu
Description: Ubuntu 10.04.4 LTS
Release: 10.04
Codename: lucid

I have set up my ISPConfig 3 server using the 'Perfect server setup for Ubuntu 10.04'
Also I bought your ISPConfig 3 manual and printed it and I find it very helpful. One small thing though: It helps if there are pagenumbers in the index ;-)

Last edited by jan-paul; 10th August 2013 at 16:15. Reason: clarification ISPConfig version
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  #2  
Old 12th August 2013, 12:54
jan-paul jan-paul is offline
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Default Problem solved with update of ISPConfig 3

I traced the issue and found out that I had a mail error involving SASLAUTHD. I did not know what to do exactly so I hoped that an update of ISPConfig3 would solve the issue. And it did!
Now it is not only working but updated to the latest release too.

Kudos to this great system that goes by the name ISPConfig 3!
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