Strange email delivery behaviour

[zarrelli]

Hi,

I created a website with one email. And till here, it's all ok, I receive my emails.

But, on a second site, belonging to one of my friend, he created his email addressers and...all his emails come to my box. In the header of the email I find:

X-Original-To: dario@xforce.it
Delivered-To: webxx_xxxxx@zarrelli.org

I went on RoundCube with his account and I don't see any email in his inbox.

[zarrelli]

Strange:


I went on the zarrelli.org admin site in ispconfig and for the user webxx_xxxxx@zarrelli.org i toggled off the Catch-all options. So, dario@xforce.it is now receiving his emails.

But, catch-all is meant to catch on one email address all the emails sent to non existent addresses for the same domain, isn't it? So why is it interfering with email from other domains?

[zarrelli]

More info:

I unchecked catch-all on zarrelli.org email address and I checked on the xforce.it address and the email are flowing with no problems. They are redirected only if I check catch-all on the address in zarrelli.org domain

[till]

Please have a look here:

http://www.howtoforge.com/faq/index.php?action=artikel&cat=9&id=33&artlang=en&highlight=catchall

[zarrelli]

Please check if the domain of the users that receives all emails is the same as the domain $mydomain in /etc/postfix/main.cf. If this is the case, change $mydomain and run postfix reloadon the shell.
You should never enter a domain that is used for a virtual site on the server as $mydomain in /etc/postfix/main.cf!


Well, I checked my /etc/postfix/main.cf, but I have no $mydomain entry.
This is my /etc/postfix/main.cf:

-------------------------------------------------------

# See /usr/share/postfix/main.cf.dist for a commented, more complete version

smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
biff = no

# appending .domain is the MUA's job.
append_dot_mydomain = no

# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h

myhostname = localhost.localdomain
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
#mydestination = zarrelli.org, localhost.localdomain, localhost.localdomain, localhost
relayhost =
mynetworks = 127.0.0.0/8
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
smtpd_sasl_local_domain =
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous
broken_sasl_auth_clients = yes
smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject _unauth_destination
smtpd_tls_auth_only = no
smtp_use_tls = yes
smtpd_use_tls = yes
smtp_tls_note_starttls_offer = yes
smtpd_tls_key_file = /etc/postfix/ssl/smtpd.key
smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.crt
smtpd_tls_CAfile = /etc/postfix/ssl/cacert.pem
smtpd_tls_loglevel = 1
smtpd_tls_received_header = yes
smtpd_tls_session_cache_timeout = 3600s
tls_random_source = dev:/dev/urandom

virtual_maps = hash:/etc/postfix/virtusertable

mydestination = /etc/postfix/local-host-names

-----------------------------------------------

I never touched this file.

[falko]

What's the output of hostname and hostname -f?

What's in /etc/hosts and /etc/postfix/virtusertable?

[zarrelli]

homeland:~# hostname
homeland
homeland:~#

homeland:~# hostname -f
localhost.localdomain

homeland:~# cat /etc/hosts
127.0.0.1 localhost.localdomain localhost homeland
88.198.37.43 control.zarrelli.org

# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts
homeland:~#

homeland:~# cat /etc/postfix/virtusertable
###################################
#
# ISPConfig virtusertable Configuration File
# Version 1.0
#
###################################
admin@www.zarrelli.org web11_giorgio
giorgio@www.zarrelli.org web11_giorgio
web11_giorgio@www.zarrelli.org web11_giorgio
admin@zarrelli.org web11_giorgio
giorgio@zarrelli.org web11_giorgio
web11_giorgio@zarrelli.org web11_giorgio
dario@www.xforce.it web16_dario
web16_dario@www.xforce.it web16_dario
dario@xforce.it web16_dario
web16_dario@xforce.it web16_dario

[till]

The hostname localhost.localdomain is not a valid hostname for a server that shall exchange emails with other servers.

Please change the hostname to e.g.

echo server1.zarrelli.org > /etc/hostname
/bin/hostname -F /etc/hostname

and make sure that server1.zarrelli.org exists and points to your (external) server IP in DNS.

[zarrelli]

I did as you told.

Flagging catchall still make all the emails from other domains to come on my email address.

Should I erase all the "localhost" and "localhost.localdomain" references in /etc/postfix/main.cf and change them with the new value?

[till]

Should I erase all the "localhost" and "localhost.localdomain" references in /etc/postfix/main.cf and change them with the new value?

Yes, please replace them too and restart postfix afterwards.

[zarrelli]

I did and restarted the server. The problem still remain. Here are the new configurations:

homeland:~# cat /etc/hosts
127.0.0.1 localhost.localdomain localhost homeland homeland.zarrelli.org control control.zarrelli.org
88.198.37.43 control control.zarrelli.org homeland homeland.zarrelli.org

# The following lines are desirable for IPv6 capable hosts
::1 ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts
homeland:~#

# /etc/aliases
mailer-daemon: postmaster
postmaster: root
nobody: root
hostmaster: root
usenet: root
news: root
webmaster: root
www: root
ftp: root
abuse: root
noc: root
security: root
root: giorgio@zarrelli.org

homeland:/etc/postfix# cat main.cf
# See /usr/share/postfix/main.cf.dist for a commented, more complete version

smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
biff = no

# appending .domain is the MUA's job.
append_dot_mydomain = no

# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h

myhostname = homeland.zarrelli.org
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
#mydestination = zarrelli.org, localhost.localdomain, localhost.localdomain, localhost
relayhost =
mynetworks = 127.0.0.0/8
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
smtpd_sasl_local_domain =
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous
broken_sasl_auth_clients = yes
smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject _unauth_destination
smtpd_tls_auth_only = no
smtp_use_tls = yes
smtpd_use_tls = yes
smtp_tls_note_starttls_offer = yes
smtpd_tls_key_file = /etc/postfix/ssl/smtpd.key
smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.crt
smtpd_tls_CAfile = /etc/postfix/ssl/cacert.pem
smtpd_tls_loglevel = 1
smtpd_tls_received_header = yes
smtpd_tls_session_cache_timeout = 3600s
tls_random_source = dev:/dev/urandom

virtual_maps = hash:/etc/postfix/virtusertable

mydestination = /etc/postfix/local-host-names

homeland:/etc/postfix# cat local-host-names
###################################
#
# ISPConfig local-host-names Configuration File
# Version 1.0
#
###################################
localhost
homeland.zarrelli.org.localdomain
localhost.homeland.zarrelli.org.localdomain
localhost.zarrelli.org.localdomain
www.zarrelli.org
www.wavetechnology.it
www.xforce.it
wavetechnology.it
zarrelli.org
xforce.it
#### MAKE MANUAL ENTRIES BELOW THIS LINE! ####homeland:/etc/postfix#

homeland:/etc/postfix# cat /etc/hostname
homeland.zarrelli.org

homeland:/etc/postfix# cat /etc/hostname
homeland.zarrelli.org

[zarrelli]

I forgot...

homeland:/etc/postfix# hostname
homeland.zarrelli.org
homeland:/etc/postfix# hostname -f
localhost.localdomain
homeland:/etc/postfix#

[todvard]

try to change your hosts file to look like this:

homeland:~# cat /etc/hosts
127.0.0.1 localhost.localdomain localhost
88.198.37.43 control.zarrelli.org control homeland.zarrelli.org homeland

after the change the otput of hostname command should look like this:

homeland:/etc/postfix# hostname
homeland.zarrelli.org
homeland:/etc/postfix# hostname -f
homeland.zarrelli.org

[falko]

try to change your hosts file to look like this:

homeland:~# cat /etc/hosts
127.0.0.1 localhost.localdomain localhost
88.198.37.43 control.zarrelli.org control homeland.zarrelli.org homeland

after the change the otput of hostname command should look like this:

homeland:/etc/postfix# hostname
homeland.zarrelli.org
homeland:/etc/postfix# hostname -f
homeland.zarrelli.org
You might have to reboot the system, too.

[redweb]

I am having this same exact issue. (Ubuntu 5.10, ISPConfig

Just upgraded yesterday to 2.2.5 from 2.2.3. I've upgraded before without issue.

**UPDATE**

When the catchall is enabled I cannot use a mail client (TBird or outlook) because I get a server timeout error however when I turn off the catchall I can then log in with my email client.

I've run through suggestions above and my system look to be set up in the same manner as Zarelli and output looks to be good as well.

I have made other changes yesterday as well. Changed hostname but tested before upgrade and server was functioning. I've gone through postfix walkthrough as described on the perfect setup for 5.10 as well as rechecked DNS (using registrar for DNS)

--Will be happy to provide logs, files everything but physical access to the server to help resolve this issue.

[till]

(TBird or outlook) because I get a server timeout error

When you want to send or receive mail?

[redweb]

When you want to send or receive mail?
Yes when I crank up tbird or outlook it won't even let me connect to my mail server as I get the timeout pop-up. Works as it should when I turn off the catchall.

[falko]

What's the output of netstat -tap when you can't connect with Outlook or Thunderbird?