Debian Configuration :: Optimal Setup For A Mail Server?

Apr 16, 2010

I would like to discuss setting up a mail server and its implications and alternatives. First, let us see if I have understood this correctly: A mail server consists of many different components. First, a server to listen to any mail inbound for a specific domain (say postfix), and then a POP3/IMAP server (say dovecot). Then, I should somehow configure the rules by which all mail is forwarded to their respective owners. This should be fairly simple by using debians package managers and dselect or whatever program it is that sets up right packages by use cases at the install.

But now lets assume a more complicated environment, where there are multiple users with different domains and needs. First, we need to send mail to ourselves from webapps for instance for backup purposes. So let's say we have a domain called domain.com setup, and we want to send mail to backup@domain.com. Unfortunately, some configuration issue makes the application get confused, because it is trying to send mail to itself, but doesn't quite understand what it should do. How can this problem can be solved?

Second, how could I configure different domains with different rules. For instance, if I want one domain to have a catch-all account, where random email sent to erroneous accounts is captured? Or if I want to create accounts which are not based on actual Debian accounts, but instead just random usernames (say, danny@domain.com, mike@domain.com, support@domain.com etc.)?

Finally, which are the best web-guis for doing such configuration? What if the customer wants to himself add accounts? I cannot require him to edit text files - especially if he can thus break the whole configuration for other customers as well.. postfix-admin is one, but it is quite crude-looking. Is there something which integrates both postfix, apache and dovecot configuration? How about Webmin?

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Feb 8, 2010

Could anyone point me to some simple articles that explain what email encryption is and how to set up a mail server (e.g. Exim) that can send secure emails? I know nothing about networks, mail servers, encryption, etc., but I have to be an expert on it before I walk into work tomorrow morning.

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Aug 22, 2011

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Nov 29, 2008

i am looking for a guide to setup a mail server on my domain (company.net) so i could have some accounts like

[URL]

and i was wondering how i can make it , and if there a webmail interface to control my emails.

P.S. this is server located at my home so i have full access

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Jan 25, 2011

I will be relocating to a permanent residence sometime in the next year or two. I've recently begun thinking about the best way to implement a home-based network. It occurred to me that the most elegant solution might be the use of VM technology to eliminate as much hardware and wiring as possible.My thinking is this: Install a multi-core system and configure it to run several VMs, one each for a firewall, a caching proxy server, a mail server, a web server. Additionally, I would like to run 2-4 VMs as remote (RDP)workstations, using diskless workstations to boot the VMs over powerline ethernet.The latest powerline technology (available later this year) will allow multiple devices on a residential circuit operating at near gigabit speed, just like legacy wired networks.

In theory, the above would allow me to consolidate everything but the disklessworkstations on a single server and eliminate all wired (and wireless) connections except the broadband connection to the Internet and the cabling to the nearest power outlets. It appears technically possible, but I'm not sure about the various virtual connections among VMs. In theory, each VM should be able to communicate with the other as if it was on the same network via the server data bus, but what about setting up firewall zones? Any internal I/O bandwidth bottlenecks? Any other potential "gotchas", caveats, issues? (Other than the obvious requirement of having enough CPU and RAM).Any thoughts or observations welcome, especially if they are from real world experience in a VM environment. BTW--in case you're wondering why I'm posting here, it's because I run Debian on all my workstations/servers (running VirtualBox as a VM for Windows XP on one workstation).

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Jan 5, 2011

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i used until now Xmail, phpxmail and nocc, very easy to install and it was working flawlessly, but unfortunately nocc is a too poor webmail client be cause is based only on pop3 literally the requirement is that on the web[client] mails sent must be saved and from what i see on webmail that only can be done with imap and (this is the big problem) Xmail does not support imap so i cannot install a good webmail client

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Jul 1, 2009

I have a Fedora 10 machine that I want to setup to send email. However I don't want it to be a full blown SMTP setup.What I am looking to achieve is when something sends email from the local machine (e.g. from cron) to an address I want it to use an MTA on the local machine which will then connect to, and authenticate with, my e-mail providers SMTP server this will then take care of actually sending the e-mail.I don't want, or need, to setup a full blown SMTP service (i.e. only the local machine should be able to use it) so sendmail seems a bit over the top for my needs. Nor do I want to mess about with MX records (am I right in thinking this will mean I have to manage all mail for my domain?).

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Mar 4, 2011

I'm trying to set up a bind9 server for my home network, I have all my IPs set to 10.0.0.X. I would like the forward and reverse to be simply "machinename", not "machinename.domain.com", as I don't want to type a domain everytime.

In my named.conf
zone "net.local" in {
type master;
file "/etc/bind/net.local.ns";
allow-update { none; };

[Code]...

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Dec 12, 2010

I'm thinking about installing Arch soon, but I was wondering what the optimal partition setup would be. Bhalash on #ubuntu recomended:

boot as sda1
swap as sda2
personal data (not config) as sda3 **
the extended partition as sda4 which would include
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-Arch

This would not be a home folder, it would just be for person files like pictures or music. The OS's would have their own /home which would contain symlinks to this partition. Does anyone see anything wrong with this setup or have a better idea?

Currently on my setup:
sda1 is a broken ubuntu 10.10
sda2 is extended
sda5 is swap for broken install
sda6 is my working install
sda7 is swap for working install

So keep in mind how easy it would be to move the partitions around in your response. I haven't found a way to move something out of extended without frying the data.

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[Code]...

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I told it to accept remote SMTP connections, open a port in the firewall and bypassed the downloading section since I just want to directly receive mail (I did however tell it I wanted a daemon to fetchmail). Told it to forward root's mail to me and a delivery mod of Directly. And finished.

The system sends mail out but I can't seem to receive any. What did I do wrong or what else do I need to do?

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i basically had this system installed for our mail system.The setup is as follows:

1. Operating system installed is Debian ver. 5.0.3

2. Roundcube is installed as a webmail(if its right for me to say that)

3. The server is hosted right here at our offices

4.The server uses relay system to send mail i.e. relays all our mails to our ISP

That all i can say about the configurations becuase thats as much as i understand it.The problem now is that we are not able to send or recieve emails from both internal and external.I tried to send mail to a collegue in the office who is on our local LAN,Roundcube says sent successfully but the person does not recieve the mail.i tried to send to my yahoo address but nothing.I dont know where these mails have been trapped.

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Mar 13, 2010

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3) Are there specific references I should look into as well?

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