Debian Configuration :: Why Does /etc/aliases Choke On Email Addresses
Dec 21, 2010
Related to my last post in that it is another email issue, but something else I am having a problem with.
Debian Lenny on virtual KVM (32-bit, v5.0.7)
With Postfix it is necessary to have an alias for root, eg: root: someuser
In theory, and as far as I am aware, this can also be something like: root: someone@someaddress.tld
When I use the latter, though, the following happens whenever my system tries to redirect root email messages, but not when I use the root: someuser method in the aliases file (and, yes, I do know to use newaliases after amending the file).
The firewall is not an issue (tested with and without the firewall), nor are the resolvers, and the DNS for accounts on the box is all okay and fully propagated. Also, changing the email address to something like this.address@google.com does not work, either, - same error message.
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Apr 1, 2009
I am able to send a mail message to myself from a server without any problem...
But after I have updated /etc/aliases and added the line for all of root's mail to be routed to me....
Added:
root: myemail@company.com
and ran newaliases to implement it....
If I send a mail message to root, it does not get routed to my email...
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Apr 3, 2010
I'm facing a strange networking problem here. I'm running Debian Lenny in an OpenVZ container and my network setup is as follows:
link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
[code]...
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Jun 17, 2010
I am working on a Debian 2.6.26-19 Distribution with exim4 as MTA. After a system restart a problem occurred with delivering emails to local addresses. These local addresses use a 1and1 mailserver for email. The MX records for the local domain are set correctly but exim does not use a DNS lookup for these addresses because it identifies them as local addresses. I figured this out by executing the exim4 -d -bt command. The dns lookup part of the result looks like this (I replaced the actual address with placeholders):
[Code]....
The eventual result of the exim4 -d -bt command is: [user]@[domain.ext] is undeliverable: Unrouteable address How can I make sure, that exim4 makes a DNS lookup for the local addresses instead of skipping it? I know that I have to edit a exim4 configuration file, but I could not figure out which and how.
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Apr 25, 2010
To:Squeeze penguins who chokes when aptitude (Segmentation fault) Possible reasonThere are several apt packages(.deb). As of Sun Apr 25 09:05:24 UTC 2010. When something screws up, apt-get and aptitude choke. SolutionReinstall one of them by "dpkg -i" At least, I was able to resuscitate my penguin.
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Dec 27, 2015
I'm renting a server which comes with 5 IP addresses, but only one network device. From what I can understand I'm able to create aliases by adding entries to /etc/networks/interfaces, I haven't tried I'm in the planning stages. Hypothetically, 192.168.22.30 is my primary IP and I want to set eth0:1 to have 192.168.22.31, and then after that I want to create a virtual machine (using kvm/qemu) that is able to communicate bidirectionally to the internet over eth0:1, and leave eth0 strictly for administrating (not for VM traffic).
The qemu guides I'm finding seem to assume that I want to use TAP or VDE, what I want to use is a sub-ip/alias. One guide I saw had me eliminate everything from eth0 and put it under br0. That would leave me unable to ssh into my server (and unable to administrate). Is there a way I can do something along the lines of: qemu [options] -net [option] -netdev=eth0:1 ?
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Jul 5, 2010
I have an email alias and I want to capture some items in the email body and put it in a database.
I'm using Linux and Bash.
In /etc/aliases I have:
bexpense: "|/usr/bin/bexpense"In /usr/bin/bexpense, I have:
#!/bin/bash
echo $1 $2 >> bexpense.out
If I just run /usr/bin/bexpense with as "bexpense test test" I get "test test" in bexpense.out. If I send email to bexpense@myserver.com, I get a blank line in bexpense.out. How do I get the subject and body of the email?
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Jul 26, 2010
have some problems in doing my project, my project title is ' in investigate into implementation of certification authority with small network ' ( with using Postfix, openSSL ) and i have builded up two different networks using debian and after that i need to make a mail server, so i configured Postfix and made a mail server, i can send and receive emails on both networks. now i need a shell script on received emails using Postfix, like mail is coming from outside then will go to pipe and there should a script in bash, that will run and check the email and deliver to others, or throw it away some thing like that... here are some links where i was looking
[URL]
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Feb 3, 2011
Have tried to setup email aliases in sendmail so I can have multiple address pointing to one linux login. However none of the aliases seem to be accepting mail.
I get the following error message when trying to send to them.
I have tried restarting sendmail, have mapped the /etc/mail/virtusertable across to virtusertable.db with the following command.
Code:
Output of sendmail -bv is as follows and looks correct.
Code:
Have also added new domain into local-host-names file. I am stuck on what is left to check and why the messages are getting bounced back.
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May 13, 2009
I've got a server with several different virtual hosts on them, e.g. host1.com, host2.com, host3.com.
Is there a way I can set up an email alias just for an individual domain?
e.g. I want to set up help@host2.com, but not to have help@host1.com or help@host3.com.
I can't see how to do this in the /etc/aliases file...
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Jun 6, 2011
Debian Testing host, Winduhs XP guest. Winduhs is not allowed to directly access The Internets, and I am not setting up bridging as that makes it possible for the guest to mount layer 2 attacks on the LAN. I need for the guest to tunnel through the host without being able to see anything on the host, so it can then get access to The Internets, while being protected by iptables (Shorewall).
Used to be with VMware I had host-only set and the guest in a different class c (192.168.2.1) from the host (192.168.1.1) I turned on ipforwarding, set Shorewall rules, and it all worked. Now I have everything set with VirtualBox, and it does not work. Guest can ping its interface but not host. Host can ping vboxnet0. Host is supposed to masquerade guest's 192.168.2.1 through to the default out at 192.168.1.1, but it's not. I think a clue is in routing, but I don't know what's wrong.
[code]....
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Jan 27, 2011
Can anyone tell me what the pros and cons are between heirloom-mailx vs mailutils? This is for ubuntu 10.04 LTS. AT this point my only purpose is to use the mail command line program to occasionally send log output to email aliases.
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Dec 5, 2009
I have my email on a separate partition so that my email doesn't get destroyed when I do new linux installs (I have emails from 5 years ago now). I also keep my sylpheed email addressbooks. This partition is writable by anybody and I have also made my user the owner of this partition during each linux install (media/email). When I set up sylpheed I tell it that my email is in /media/email and then it is able to write incoming messages to that location. The problem I am having is that I make symbolic links for my addressbooks from ~/.sylpheed* to /media/email using this:cd ~/.sylpheed*rm addrbook-000001.xmlln -s /media/email/addrbook-000001.xml addrbook-000001.xmlSylpheed finds my addressbook ok on my email partition but changes that symbolic link to a file on ~ when it writes new addresses. What am I doing wrong...I want it to write new addresses to my email partition?
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Jul 27, 2010
I want to install a email server so my domain handles it's on email. I understand I need a dns server first. I down loaded dbndns but can not even figure out how to start it. does anyone know how to get this set up. Or where the setup files is for this.
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Sep 19, 2010
I need to know how to remove all the previous email addresses when I forward in evolution. when I used outlook express all those years ago it was quite simple. Am I missing something simple or is there a way around it.
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Sep 14, 2010
I have sendmail setup and it works fine sending emails to outside email addresses. When I try and send email to our internal groupwise server the mail never gets there and I get an error message in the log user unknown.
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Jan 10, 2011
I've got 2 computers plugged into an "ethernet broadband router" sitting behind a DSL modem. I'd like to be able to send mail from one of the 2 computers to the other, preferably without going through the DSL modem, and preferably without assigning host names (if that's possible).
I've installed/configured sendmail (and sendmail-cf and m4) and am attempting babystep tests of the configuration by sending mail to a user on the originating computer.
So I can send email to root@localhost and it is received on the local host.
But if I try to send it to root@127.0.0.1, it bounces back like so:
This seems to be pretty fundamental (the localhost has an address of 127.0.0.1). Shouldn't I be able to use the IP address in place of the associated name?
Here's my hosts file /etc/hosts:
Code:
And here's my resolv.conf file, although I wouldn't expect that to come into play since I'm using IP addresses instead of names /etc/resolv.conf:
Code:
Here's my /etc/mail/access file:
Code:
I did verify that sendmail was configured to listen in on more than just the loopback address in /etc/mail/sendmail.mc, but that doesn't seem to be relevant until I can get email through to 127.0.0.1.
Which files do I need to create/touch to get this to work?
And can it be done without talking to the DSL modem?
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Mar 14, 2011
I have a simple question that I can't find the answer so far, I use Evolution email client witch is great, the only problem is that the client does not save previous email addresses so I have to enter them manually each time.
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Apr 10, 2011
I have a feeling this is going to be something no one cares about enough to have bothered with, however, just in case someone else got frustrated enough to figure this out I thought I would ask.I have an associate I send and receive a lot of email with. They have one email they use rarely (once a month) and another they use all the time. The problem is that evolution always shows the one they use rarely first.
That is, when I partially type in their name in the "to" field those two email addresses will list in a drop down. I would like to either remove the rarely used email address from the list or have evolution list from most recently used (like "The Bat!" does, a Windows email client I use) instead of however it does it now, presumably it's just in alphabetical order.Right now about 20% of my emails go to this other email address because I'm busy, in a hurry, tired or whatever and just forget that it defaults to the wrong one all the time and it's caused the occasional problem.
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May 14, 2011
It wasn't too long ago that I discovered Linux/Ubuntu (in terms of actually USING it) and I've been completely blown away by the capabilities it puts in the user's hands! To think that someone can take an old desktop from a trash pile (literally, in my case) and turn it into a web server for ZERO dollars is absolutely crazy.
Anyway, I've been using said desktop as a sort of "dummy" machine to learn Linux. I want to be clear that I've got another computer for personal use and that I understand that setting up server software on any computer poses a security risk. Having said that, I have a few questions regarding mail servers and their setup on Ubuntu. Again - I'm comfortable with what I've done so far in Ubuntu (installing packages, terminal interaction, basic usage)
My question is mainly this: if you have, say, a domain name through DynDNS (let's say example123.com) and it points to an Ubuntu system, does something like Postfix enable you to make your own email addresses such as user1@example123.com and have an email server from wherever the Ubuntu system is?
I've been following the basic Postfix setup here and have had success so far (down to the "Adding your local domains to postfix" section) bu wanted to make sure that what I'm intending to do is what I'm doing (haha... i hope that makes sense). That is: get domain name at DynDNS, host pages on LAMPP server, use Postfix to facilitate incoming/outgoing email for that domain name.
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Mar 26, 2009
I come from more of a programming background but have been giving the task of sending backup results from a linux box in an email to external email addresses, I have spent days looking trough google for info but cant seem to find anything simple, I have looked at postfix but because I don't understand networks, hosts, nameservers etc. What I need to do to allow mail get sent from the linux box to external mail address. I have outlook connected to an exchange server on windows and I can ping the linux box from my windows command so surely it cant be to much involved.
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Mar 22, 2016
The problem I have is so simple yet difficult for me to resolve. My Postfix MTA allow fake mails from me@example.com to me@example.com. How can I block them?
For example, if I do "telnet smtp.mail.yahoo.it 25", as I write the MAIL FROM command I get the alert "Authentication required". How can I achieve that?
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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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Mar 17, 2010
I'm running a desktop-less version of Debian via Sun VirtualBox. The reason I'm doing this is because I don't have enough graphics or RAM power to have a desktop environment running on top of my current desktop; also, I want to learn Linux through the command prompt. I'm running the AMD64 version of Debian; I'm not sure if that's relevant.
My main goal is to be able to email useful files from the virtual Debian to my main computer, so that I can save them for later if I ever decide to do a "real" installation of Debian on this computer. I realize now that there's probably some "easy" way to do this by reading the virtual machine's hard drive, but at this point, my curiosity wants to see this issue resolved. I started off wanting to find a command-line program to send my email with, and one was built-in. The syntax ~$ sudo mail -s "Subject" email@yahoo.com "This is a test email."
C^D
Cc:C^D ~$
is what I found. I tried it, and (unsurprisingly), it failed. I then learned that the mail command calls exim4, or something along those lines, so I needed to configure exim4. Soon thereafter, I learned that Yahoo's SMTP wasn't public, but Google's was. So, I found this web page which described how to configure exim4 to allow for email to be sent to a Gmail account. I made one, and followed the page word-for-word.
I sudo-mailled a test email to my Gmail account, and nothing happened. I waited a bit longer, and still, nothing happened. Finally, I started looking around, and found out about the exim4 logs in /var/log/exim4. In my mainlog, I think that it's telling me that Google denied my connection: <date><time><random numbers and letters> == **********.gmail.com R=send_via_gmail t=gmail_smtp defer (111): Connection refused
So, now, I'm just stuck. I don't know what I did wrong, I checked my exim4.conf.template twice for spelling errors, but I don't think I made any. At this point, I can only hope that someone else has had a similar problem, or knows what I'm doing wrong (or haven't done yet).
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Oct 16, 2010
Is there a way to import my contacts list into this (new for me) email program?
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Jul 14, 2010
how to configure CenterIM so that it shows my contacts nickname instead of their email addresses?
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Feb 10, 2010
how to trigger a script when an email is received to update my mySQL database. I do not want to physically send the message to the script, I just want the script to execute and to under execute under a specific mail account.
I thought of setting up a cron job at first, but decided going down that approach would be a huge waste of resources. What method would you recommend?
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Feb 10, 2011
In an old thread mzilikazi posted several aliases for several common apt-get, apt-cache, dpkg commands and options. I thought this was a great idea and adopted my own list. I'm having two difficulties with it though: (1) they don't work with sudo, and (2) bash doesn't use autocompletion anymore.
1. sudo I've placed the aliases in the .bashrc profiles of my user and of root, and logged back in. As root the aliases work. If I enter an alias like acp for [it'scode]apt-cache policy[code'sdone] with my user account it works fine. Sweet sudo, however, apparently doesn't support bash aliases. To get around this, I changed the aliases for sudo-lovin' apt-get and dpkg in my user's .bashrc from [code!]alias agi="apt-get install"[!edoc] to [code!]alias agi="sudo apt-get install"[nocode]. Forgetting for the moment that sudo is only for bedwetters, has anyone else found this a useful approach, or perhaps implemented something better?
2. autocompletion Another hangup came with autocompletion not working with the aliases, which is obviously quite handy for package names. A google I once knew told me a thing or two about that. I don't get down with funky-chunky foreign web scripts I can't interpret... which so far is all of them... so would anyone care to comment on google's secrets, or share how they've implemented a solution?
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Sep 8, 2010
but I tried to resolve all forms and failed. Want to add some aliases to my system, I put the snippet below in my /etc/profile but nothing happened. Also tried to put in ~/.profile and ~/.bashrc but nothing worked.
What am I doing wrong?
## /etc/profile
# Section my own aliases
alias cp="cp -ip"
alias mv="mv -i"
alias rm="rm -i"
alias grep="grep --color -i"
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Oct 28, 2010
I recently P2V'd a debian box, and the aliases file (/etc/aliases) is no longer working. As the physical machine is still working, this machien has been renamed to buzz1 [from buzz].
I changed /etc/mailname, /etc/exim4/update-exim4.conf.conf [and ran the update-exim4.conf script] and also ran newaliases. however it still does not seem to be applying the aliases file:
Live Physical Machine:
buzz:~# exim -bt root@buzz.domain.com
R: system_aliases for root@buzz.domain.com
R: smarthost for cronjobs@domain.com cronjobs@domain.com
<-- root@buzz.domain.com
[Code]....
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