Ubuntu Servers :: Postfix Config To Catch ALL Emails?

Jul 20, 2010

We have a number of servers at work, some production and some non-production. We run some java applications on these servers. At present these java applications send emails via an SMTP connection to our live email servers.

In production all is well, the java apps send emails to customers. However, in the non-production environments all emails must not be sent out. Instead they must end up in some kind of generic inbox.

We don't want to mess with the production setup at all and it isn't an option to lose the non-prod emails altogether. So on non-prod we can reference another SMTP server and send all emails there. So far I've set up a postfix, dovecot, squirrelmail email server which appears to work.

how do I config my new email server so that any emails sent from our non-prod server to fred@hotmail.com, bill@yahoo.com, jenny@gmail.com etc all end up in one inbox?

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Ubuntu Servers :: Postfix Not Sending Emails?

Jan 18, 2010

I have a static IP from local ISP and my computer is configured with 192.168.1.2 (LAN IP).

I have installed ubuntu server 9.04 and want to send emails from my server for which I've configured postfix. But I dont know what to do next.

My questions are:

1. Do i need to install DNS server for using postfix? If not, what should I install to send emails from this server?

2. Do I need to forward any particular port in my router?

3. If I dont have a fully qualified domain, what are the configurations I need to do to send emails?

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Sep 30, 2010

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Dec 2, 2010

I've been banging my head against the screen on this strange problem. Somehow my server sends out spam mails to a lot of aol mail addressess. The mail.log file looks like:

Code:
Dec 2 16:10:55 Ubuntu-904-jaunty-64-minimal postfix/qmgr[7685]: E95C2B48DB4: from=<HappyShopping@somedomain.nl>, size=1912, nrcpt=1 (queue active)
Dec 2 16:10:55 Ubuntu-904-jaunty-64-minimal postfix/qmgr[7685]: 5D4E0B48DB5: from=<HappyShopping@somedomain.nl>, size=1904, nrcpt=1 (queue active)
Dec 2 16:10:55 Ubuntu-904-jaunty-64-minimal postfix/qmgr[7685]: 8F540B48D04: from=<NewYearSale@somedomain.nl>, size=1894, nrcpt=1 (queue active)

[Code]...

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Dec 2, 2010

I've been looking for a way to filter out emails on my postfix server by GeoIP data. I couldn't find anything that fitted the bill so wrote my own in Python as a postfix policy. Thought I'd post it here to see if it's of any use to anyone else. I've attached a tar of the files as the Python formatting will get mucked up by the forum code. Comments/improvements are welcome (be kind ) First file is : policyd-geoip which is owned by root:root and placed in /usr/bin with 755 perms

[Code]...

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I have a problem with my VPS not being able to send any emails to Yahoo! addresses. Each time someone with a mail account tries to send something to a Yahoo! address, the email stays stuck in the mail queue and a 'delayed mail (still trying)' message is sent back to the user. I understand that Yahoo! has a tendency to block mail servers on a whim, but what I'd like to know is, how can I prevent Postfix from specifically retrying to send emails to Yahoo! mail servers? I don't want to stop retries to other mail servers.

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Apr 27, 2010

I tried searching the posts and have come up empty handed. I need to find an email I sent to myself (actually a forward of several other emails) that did not get delivered. Otherwise I need the original emails themselves. I have been using pop with dovecot on my ubuntu server Jaunty machine. I searched the mail logs and found that the reason the message might not have been delivered could be because my permissions were not set to administrator for that user. I changed the permissions and still nothing came back.

I deleted the client mail account on the machine I used that had the messages but I was hoping they might still be somewhere on the server. Any ideas?

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Mar 11, 2010

Here is what i do: make clean make makefiles CCARGS='-DEF_CONFIG_DIR="/opt/product/postfix-2.6.5/etc"

-DEF_COMMAND_DIR="/opt/product/postfix-2.6.5"
-DEF_DAEMON_DIR="/opt/product/postfix-2.6.5/libexec"
-DEF_MAILQ_PATH="/opt/product/postfix-2.6.5/bin/mailq"
-DEF_DATA_DIR="/opt/product/postfix-2.6.5/lib"
-DEF_NEWALIAS_DIR="/opt/product/postfix-2.6.5/bin/newaliases"
[Code]...

make install then i got this error: postfix: fatal: chdir(/usr/libexec/postfix): No such file or directory make: *** [install] Error 1 I don't understand why it's checking the usr/libexec folder for the daemons although I've set the folder to /opt/product/postfix-2.6.5/libexec in the makefile. Here is also the cat of my makedefs.out:

[Code]....

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Jan 18, 2010

i'm not a techie but have tried my best to solve the issue without success. I have a static IP from local ISP and my computer is configured with 192.168.1.2 (LAN IP).

I have installed ubuntu server 9.04 and want to send emails from my server for which I've configured postfix. But I dont know what to do next.

My questions are:

1. Do i need to install DNS server for using postfix? If not, what should I install to send emails from this server?

2. Do I need to forward any particular port in my router?

3. If I dont have a fully qualified domain, what are the configurations I need to do to send emails?

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Apr 28, 2011

I've installed Postfix MTA in Xubuntu. Where are all the emails stored in my Postfix server?

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Dec 29, 2010

I am trying to find a way to tell postfix to forward all emails from

dbsupport@thisdomain.com
and
helpdesk@thisdomain.com

to

be sent to admins@thatdomain.com, but it is not working. I am trying transport maps. The content of my transport file is:

Quote:

helpdesk@thisdomain.com smtp:admins@thatdomain.com

Quote:

dbsupport@thisdomain.com smtp:admins@thatdomain.com

Both [URL] and [URL] are on box1 as an alias in the /etc/alias file like this:

root: helpdesk@thisdomain.com
root: dbsupport@thisdomain.com

how to get this working?

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Jul 30, 2010

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Feb 8, 2011

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# See /usr/share/postfix/main.cf.dist for a commented, more complete version
# Debian specific: Specifying a file name will cause the first
# line of that file to be used as the name. The Debian default

[code]..

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Mar 29, 2011

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I have configured Postfix on a Ubuntu 8.04 box using this tutorial:I can send emails but I cannot receive any email because of a "bad recipient address syntax:"The log from /var/log/mail.info says this:

Code:
Apr 25 14:46:06 360romania postfix/pickup[31716]: 74A682190661: uid=0 from=<root>
Apr 25 14:46:06 360romania postfix/cleanup[32402]: 74A682190661: message-

[code]...

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Mar 2, 2010

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I have a CentOS 5.3 system running a recently installed Postfix (I removed sendmail so I positively know it's running Postfix).

I am able to send out email as user root, but when I change to another user on the same server, the mail delivery fails.

Here's what's captured in the /var/log/maillog:

Here's my main.cf

No changes to other Postfix files since install, so they are the default files.

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Feb 8, 2011

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Jan 21, 2010

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I'm building a replacement postfix email server and I'm getting intermittant loss of sent emails; where: sometimes mail ends up at the recipient (a hotmail address) and sometimes not. Having an offsite relay (or posting directly to the internet) doesnt help either. (Although using hotmail itself as a relay always works despite logged complaints about unchecked ssl certs) Most dissapointingly the log files for the smtp transations are the same for successfully received emails as for the "lost" emails.

[Code]....

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Sep 28, 2010

I'm trying to configure postfix to send e-mails but it is not receiving requests from networks different from its localnet (192.168.1.0/24). Iptables is like this:

Code:
Chain INPUT (policy DROP)
target prot opt source destination
ACCEPT all -- 10.0.0.0/8 anywhere
ACCEPT all -- localnet/24 anywhere
ACCEPT udp -- anywhere anywhere
ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED

A part of main.cf is like this:
Code:
biff = no
append_dot_mydomain = no
delay_warning_time = 4h .....

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Jan 29, 2010

I just configured my first postfix mail server today. Everything is working correctly except for the fact that on all outgoing emails instead of the mail format being user@mydomain.biz it says user@hostnameofpostfixserver. I've looked everywhere I can think and I cant see where I'm substituting the host-name of the server for the domain name of my email. Where else could it be?Below is my main.cf. I am running ubuntu 9.10.# See /usr/share/postfix/main.cf.dist for a commented, more complete version# Debian specific: Specifying a file name will cause the first# line of that file to be used as the name. The Debian default

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I got a weird postfix setup question? This is a separate server to the one I posted about earlier today.

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Any unknown addresses (however for the same domain), needs to be relayed to another server.

This is a bit of a special setup as there is no fixed Internet connection to the server. So the plan is that local email get delivered straight away whilst emails to the same @domain, but that doesn't exist in the user tables get put in the hold queue and is later relayed to server number 2 when a connection is available.

I am using mysql to retrieve all my settings into postfix.

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I'm running Ubuntu Server 11.04 with OpenSSH, trying to create an ssh tunnel (for web traffic) to it from my (also Ubuntu) laptop. This is the command I'm using to create the tunnel:

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