Ubuntu Servers :: Forwarding Mail With Signature?

Jun 23, 2011

At first I want say that I'm regular Ubuntu user, not system administrator. I have installed mail server using Virtual Users And Domains With Postfix, Courier, MySQL And SquirrelMail (Ubuntu 11.04). And it's work!

But I have a challenge. I need to get incoming mail (from another server), zipping mail-body (as html or text) and all attachments into zip-archive, compile new mail with this new attachment (zip-archive) and (most important!) sign all this email with signature which locale in pem-file and send it to BCC-address from incoming mail. I don't know how do it or which tutorial start to read.

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Ubuntu Servers :: Mail Forwarding To Gmail?

Jun 13, 2011

I just bought a domain, let's say it's called example.com

I also have a gmail account, let's say it's: my.account@gmail.com

I want all email to master@example.com to forward to my.account@gmail.com, and likewise I want all e-mail from my.account@gmail.com to be from master@example.com, and have the reply-to also be master@example.com.

I guess the most pressing issue here is setting up some proxy to forward all my @example.com emails to my gmail. I've been looking through the forums and reading some tutorials, but none of them seem to do exactly what I'm looking for.

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Ubuntu :: Evolution - Get The Signature In Outgoing Mail?

Jan 9, 2010

I created a signature, for my outgoing mail, in Composer Preferences but it don't show when I create a new mail. how to get the signature in my outgoing mail, it would be nice to share.

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Ubuntu :: Delete Mail After Forwarding?

May 12, 2011

I followed this guide to forward root's mail.Can it be set up so that mail messages get deleted after being forwarded?

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Server :: Mail Is Not Forwarding For Particular User From Postfix To Exchange

Sep 16, 2010

I have an issue in my organisation that a particular user X's mail not able to forward from my linux server MTA postfix to my second windows exchange (HUB)mail server. We use linux mail server as SMTP Gateway we have implemented fetchmail for doing this job. and its MTA is postfix OS is SUSE. Rest users mail are able to come in exchange HUB server via linux mail server. When I see that purticular user X mail in linux I am able see its spool file in /var/spool/mail and also via mail or mutt command. My question is why postix not able to forward that user X mail to our exchange HUB server.

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Ubuntu Servers :: Courier Mail 556 Address Unavailable - Cannot Recieve Mail ?

May 6, 2010

My courier server cannot recieve mail.

My freebsd installation has worked for quite some time w/o problems.

I'm using ubuntu as a replacement and have tried using the same settings from my previous server.

I keep getting the following error.

courieresmtpd:

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Ubuntu Servers :: Secondary Mail Server And A Mail Gateway/relay?

Aug 3, 2011

Our primary mail server is Exchange 2003 Standard on Windows Server 2003 Standard - don't shout at me; I inherited it already set up this way.I have a couple of hardware identical redundant servers (HP ML350 boxes), all with very fast 2 or 4 disk arrays, multiple core CPUs and plenty of memory, and I am looking at two potential new additions to the infrastructure.

A secondary mail server is high on my list of priories. I've been well and truly bitten by Exchange in the past and given that this particular box has been running four years straight and that it's mail store is dangerously large, having a secondary mail server in place suddenly makes a lot of sense.

A new Exchange 2010 box is currently being set up, but the secondary mail server will remain in place even when the new Exchange server is brought online, so this won't be a wasted exercise.... I also want a gateway box in place to filter and relay mail to the primary server, or to the secondary server if the primary is unavailable. Currently our outer perimeter is:

ISP supplied CISCO router
Draytek VigorPro 5510 UTM

Untangle running in bridged mode (primarily used for SPAM filtering, URL blacklisting, and very little else) Exchange 2003 sits behind the Untangle box. This is how I want to end up:

CISCO >> Draytek >> Ubuntu gateway >> Exchange/secondary mail server

I know I could replace/remove the Draytek but I want it to remain for several reasons, including lots of VPN dial-in users already configured and that it offers us an additional layer of email antivirus scanning before things hit the Exchange box. No point switching all of our remote workers over to new tunnels unnecessarily...

I have done some research and have started testing a pilot secondary mail server using Ubuntu/postfix DNS is properly set up and MX records and reverse PTR records are all present and correct, and things are looking encouraging so far. Before I go out over deep waters and start to flounder, has anyone who has done something like this got any obvious howlers I should be looking to avoid ?

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Ubuntu Servers :: Can't Send Mail Using PostFix - Only Receive Mail

Jun 30, 2011

I set up my mail server using the guide here: [URL] I am able to receive mail, I can send mail locally, but I can't send to external addresses. This is in my mail.log: Quote: Jun 30 14:40:43 Server postfix/smtp[10725]: 2FD9322015BF: to=<myemail@gmail.com>, relay=none, delay=1634, delays=1484/0.02/150/0, dsn=4.4.1, status=deferred (connect to alt4.gmail-smtp-in.l.google.com[74.125.65.27]:25: Connection timed out)

This is my main.cf:

[Code]...

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Ubuntu Servers :: Postfix Relay - Exchange Sends The Mail Instead Giving Recipient Mail A Valid Reverse DNS Lookup

Jan 12, 2011

The scenario: We have an external server that runs HTTP/DB servers for out shop system. Then, there's our local, in-house infrastructure that runs a.. yeah... Exchange 2010. The shop system on the external server needs to send mails to customers (order confirmations, invoices, etc.). seing as sending them directly through the local MTA (Postfix) would cause mail delivery problems because of reverse DNS issues, i've set the Postfix MTA to act as a satellite to our in-house Exchange Server, so the Exchange sends the mail instead, giving recipient mail servers a valid reverse DNS lookup.

Now, mails sent by the (proprietary, uneditable) shop system are relayed correctly and sent to the target e-mail address. My problem is: Mails not sent by the shop system, but by our own PHP scripts which run on that same external servers, are NOT relayed properly. So the Exchange is fine with the mails sent by the shop system, but not the mails sent by our scripts. This is what i get in the mail.log: The successfully relayed mail sent by the shop system:

[Code]....

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Server :: Configure Postfix To Relay Mail To Multiple Internal Mail Servers With Different Domains?

Aug 6, 2010

Two exchange servers internally. One is setup for example.com (192.168.1.10) and the other is setup for example2.com (192.168.1.20) Both are behind a single public IP.

I want to use postfix to sit in front of the two exchange servers. Postfix will accept mail for both domains and relay to the appropriate server. I have postfix installed with only defaults at this point.

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Ubuntu Servers :: Can't Sudo When X Forwarding

Jul 13, 2011

I'm trying to set up my mythtv backend on a headless box. The many tutorials out there tell you to run mythtv-setup from a machine with a display by x forwarding through ssh.

Code:

ssh -X username@ipaddress /usr/bin/mythtv-setup

The x forwarding works fine except that the first part of the mythtv-setup requires you to stop the mythtv-backend process which you have to do as root. It brings up a box asking for your password (much like is would if you just typed sudo xxxxxxx in the terminal) but it won't accept the password. Looking in the auth log it seems that it can't authenticate

Code:

Jul 13 11:21:08 server su[21869]: pam_unix(su:auth): authentication failure; logname= uid=1000 euid=0 tty=/dev/pts/1 ruser=administrator rhost= user=root
Jul 13 11:21:10 server su[21869]: pam_authenticate: Authentication failure

[code].....

Now I know that my account (administrator) can have root privileges because I can sudo xxxx to my hearts content via ssh in the terminal, but it seems to not work when it's being requested from a forwarded X window....

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Ubuntu Servers :: X11 Forwarding Not Working In 9.10 Server

Jan 6, 2010

Pre-exsisting issue from 9.04 server, and has never worked right for me. When I try to open an X11 forwarded app on a mac using the command "ssh -X myusername@serverIP" Other linux machines have similar issues from terminal. I can login just fine and preform any actions I want that do not require X11 forwarding, like say firefox or a manager. I just get the error "Error: no display specified" when trying to do anything with X11 forwarding. I have almost no Linux experience but from tinkering and my friends tinkering wonder if I have a x authority issue.

At one point I had ubuntu desktop package installed (forwarding still did not work then), did a unclean uninstall of it installed Xubuntu. Xubuntu did nothing but throw fits saying I did not have authority to preform all sorts of actions, many relating to root access. This box is meant to be a headless file, print and web server with the ability to login remotely as a convince for administration. I have given up on having a working GUI of any kind on this box. I really do not want to reinstall because of the amount of data on the main partition. What can I start trying to look into?

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Ubuntu Servers :: Web Server 32-bit - DNS - Domain Forwarding?

May 22, 2010

I have set up 10.04 server, got userdir working (/home/username/public_html) so I can access it with h ttp://myipaddress/~username. What do I need to do to get mydomain.com to point to http://myipaddress/~username?

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Ubuntu Servers :: Port Forwarding To Another Server On The LAN?

Dec 13, 2010

We have a Ubuntu system that is connected to 4 different networks.

Code:
eth0: 192.168.12.9
eth1: 192.168.2.142

[code]....

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Ubuntu Servers :: Exim4 Forwarding To Local Host

Jun 9, 2010

I've recently had to rebuild our mail server - after the old one over heated - and I've realised I never backed up the config files for exim... so now tyring to work out how the hell to configure what I had....

The setup isn't the most straight forward, so I'll try and explain what happens...

- all emails @longdomain.com are received by an hosted server on the internet
- they are then forwarded to @shortdomain.com, the IP for which is our internet connection which fowards port 25 traffic to the exim server
- the exim server then spam and virus checks the emails and forwards them to an exchange server (sorry but it works well for us)....

I've installed exim4/spamassassin/clamav successfully, and it's setup to receive emails for the relevant domains and relay from the hosted server on the internet (and some local addresses).

how I then setup exim4 to foward all emails on the relevant domains to the exchange server?

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Ubuntu Servers :: Use Ipv4 Forwarding To Access LAN Network From The WAN?

Jun 11, 2011

I have an OpenVPN(10.04.2 LTS) server running in bridge (TAP) mode. Its sitting behind a router and then a cable modem. The VPN works perfectly but I have a security concern. In order to allow the VPN clients to connect to the internet, I had to enable IPv4 forwarding on the server. Is this is a security hole? Can a hacker access my servers connection from the internet (without authenticating with OpenVPN) and access my network. Can someone use Ipv4 forwarding to access my LAN network from the WAN

I used this command to enable ipv4 forwarding
echo 1 > /proc/sys/net/ipv4/ip_forward

Without IPv4 forwarding my VPN clients can only access my LAN and router, but they cannot reach my modem or the internet.

[Code]...

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Ubuntu Servers :: X Forwarding - Access Via Ssh A Virtualbox Guest Machine?

Mar 29, 2010

host - ubuntu 9.10 desktop
virtualizer - VirtualBox

What will be the easiest way to ssh connect a VM on VirtualBox, exporting its desktop to host, while it is already running ? I found; Howto Access via ssh a Virtualbox Guest machine.

[Code]...

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Ubuntu Servers :: Forwarding Domains From Godaddy To Home Server?

Jul 1, 2010

I recently purchased a GoDaddy domain with the intent of hosting a website myself at home on a box First of all, I don't have a static IP, so I set up dyndns with my router. Do I want to just have GoDaddy forward traffic to my dyndns account? Or do I manually change the nameservers? To what? Also, this seems to work for http(s) traffic only. What happens if I want to use ssh/ftp/smtp? And do I need to configure anything on my end aside from installing/configuring the appropriate server binaries? Is there a way to update GoDaddy when my ip changes?

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Ubuntu Servers :: Bind : ANAME To Server 2 Not Forwarding Externally?

Dec 8, 2010

I have 2 servers operating on my home network. One server hosts Bind9 and a few web sites. The other is an Ubuntu repo mirror that I recently configured (10.1.10.26). Inside my network, requests to the olyubuntu.nwlinux domain function as it should. However, external requests do not get forwarded. Instead, they end up at my DNS box at 10.1.10.25. Again, internal requests are forwarded correctly.Any red flags pop-up as to why this is occurring? Firewalls are not an issue.

Code:
$ORIGIN nwlinux.com.
$TTL 86400[code].....

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Ubuntu Servers :: Migrate Postfix Mail Server To Exchange 2010 Mail Server

Nov 3, 2010

I have a problem relate to posttfix.I want to mirgare postfix mail server to exchange 2010 mail server but I can't do it,u can help me.You can show me have to do configure postfix and exchange how to?

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Ubuntu Servers :: Port Forwarding Setup Using IPTables - Transparent Proxy

May 13, 2010

I'm new to linux, but enjoy using it very much, especially without a GUI, console is fun! I need to set up port forwarding. We have 3 servers, 1x running Ubuntu server 8.04 (used as transparent proxy), 1x server 2003, 1x windows xp.

The linux box has the following ips:
eth0 (internal) 192.168.1.5
eth1 (external) 192.168.0.7

Windows server 2003:
192.168.1.6

Windows XP:
192.168.1.9

Router:
192.168.0.1

The router automatically forwards specific ports to 196.168.0.7 (Linux eth0). From there I want to forward port 8585 to 192.168.1.6 and 3000 to 192.168.1.9. Is there a way that I can do this using iptables?

The commands that I think I'm gonna use look like this:
iptables -A FORWARD -s 192.168.0.0/24 -p tcp --dport 8585 -d 192.168.1.6 -j ACCEPT
iptables -A FORWARD -s 192.168.0.0/24 -p tcp --dport 3000 -d 192.168.1.9 -j ACCEPT

Would this be a correct way of doing it? My biggest problem is that I can't test it without going live, and if I go live and something doesn't work, the entire building will be left without internet, people will hate me. Also, The proxy captures all data on port 80 and forwards it to 3128 so that the proxy can monitor the usage, and a few systems runs fine with it, others however can ping websites, and internet explorer says "website found, waiting for reply" but the webpages cannot be displayed.

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Ubuntu Servers :: Make A Local Mail Server That Itself Is A Client To A WAN Mail Server?

Mar 10, 2011

How do I make a local mail server that itself is a client to a WAN mail server.I want the local mail server to query new mail every 30 minutes from the WAN server.

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Ubuntu Servers :: Send Mail (newsletter) From Web Servers

May 26, 2010

I handle several hundreds of domains. Mails are handled with google apps (but previously I used to have a full postfix/courrier setup with virtualhosting). Now what I need is to be able to send mail (newsletter etc...) from my web servers, but I don't need to receive mail on these servers.

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Ubuntu Servers :: CUPS Not Forwarding To Other Polled CUPS' In 10.04?

Mar 22, 2011

I've been trying to figure this out for longer than I care to admit. We upgraded our print server (sysadmin) to 64 bit lucid and that moved our cups server from 1.3.7 to 1.4.3. We have a remote server that is still 1.3.7 (printhost1) but version difference doesn't seem to be relevant to the problem.

If I'm on console on sysadmin and do an lpr to a printer on printhost1, everything is copacetic. However, If I'm on a host that specifies "ServerName sysadmin" in its "/etc/cups/client.conf" access_log on sysadmin shows:

172.16.10.52 - - [22/Mar/2011:11:11:40 -0500] "POST /printers/103_hp4250 HTTP/1.1" 200 306 Create-Job client-error-not-authorized

and error_log shows:
E [22/Mar/2011:11:11:40 -0500] Returning IPP client-error-not-authorized for Create-Job (ipp://localhost:631/printers/103_hp4250) from 172.16.10.52

We've been using this method of sharing printers between locations for years and years so it not working now is a surprise.

cupsd.conf on sysadmin looks like this and is as open as I can imagine:

ServerName sysadmin
ServerAlias *
ServerAdmin webmaster
FileDevice Yes
SystemGroup staff
LogLevel info
code....

Additional symptoms are that only printers locally defined on sysadmin show up when the client uses System>Administration>Printing in gnome. Same thing when you browse printers in windows on our samba domain controller that backends on CUPS.

I just know that it's something simple that's going to make me facepalm but I'm at a loss.

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Ubuntu Servers :: How To See Which Mail Services I'm Using

Nov 29, 2010

I recently became responsible for a server running Ubuntu 10.04. I am trying to figure out how its outbound mail service is setup. Everything is working fine now, I just want to document how it is setup so if I need to rebuild the box I can do so without too much trouble when the pressure is on. It is a pretty basic setup, the only outbound mail gets sent from php scripts, the server does not receive incoming messages. Is there a place I can look to see what service is sending outgoing messages?

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Ubuntu Servers :: Can't Get Mail With Postfix On 10.10

Dec 18, 2010

I am trying to install a mail server (postfix). I followed the instructions (up until SMTP, I do not want that) on ubuntu pages, without any result. I can send mail, but I can't get any.

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Ubuntu Servers :: Squirrel Mail Can't Log In / What To Do?

Feb 9, 2011

I'm new to linux and trying to solve this problem. I have followed the perfect server 10.10 setup and I have got a basic page up and running. If I use the IP address of the server /webmail I can log in, if I use the .com/webmail I can't log in and get this error. code...

This is my output of ls -la /var/lib/squirrelmail/data/ code...

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Ubuntu Servers :: Not Getting Mail From PHP Form

Feb 17, 2011

I have several forms created on my server. I'm running Ubuntu server 10.04.

I was running Ubuntu server 10.10 up until Tuesday Night. I decided to go to Ubuntu Server 10.04 in favor of the long term support of it.

While running Ubuntu server 10.10 all my forms worked and would send the form data to my email without issue.

Now after transfer the site to Ubuntu 10.04 I'm not getting any of the email messages. I have verified my email works by sending a test email directly to the account.

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Ubuntu Servers :: Using PHP To Send Mail?

Mar 3, 2011

I have setup a mail server on my remote Ubuntu 10.04 server using postfix.

Using Putty to SSH to the server, I can send mail, check mail, and the server accepts mail from other domains (gmail, yahoo, hotmail etc).

However, I cannot seem to send mail using PHP functions.

I have created a "test.php" file with the following contents:

[Code].....

When I run the .php file, nothing happens, and nothing logs in the mail logs, so I'm sure the server doesnt understand the mail command in PHP files, but I'm not sure how to go about fixing it.

Apache2, PHP5, postfix, and the additional necessaries are installed (this is a webserver/mailserver on 1 box)

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Networking :: Shorewall: Port Forwarding Port Is Closed Even After Forwarding?

Dec 12, 2009

I have just set up shorewall on my router running Arch Linux. The external network is on eth0 and the internal network on eth1.I have set it up for masquerading and that works fine and I can open ports to the firewall. But I'm having trouble with port forwarding to my internal machines.The problem I have is that when port 22350 is forwarded to 192.168.1.3 on my local network, checking the port with nmap from a remote computer gives me:

Code:
PORT STATE SERVICE
22350/tcp closed unknown

[code]....

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