CentOS 5 Server :: Wasn't Able To Establish An SMTP Connection?
Mar 14, 2010when sending a message some recipients get it while others don't and i receive this mail every time an e-mail has failed to be received by others:
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General :: Sorry I Wasn't Able To Establish An SMTP Connection - Cannot Deliver Mail
Mar 12, 2010When sending a message some recipients get it while others don't and i receive this mail every time an e-mail has failed to be received by others:
Code:
Subject: failure notice
This is the qmail-send program at XXX-XX-XXX-XX.local. I'm afraid I wasn't able to deliver your message to the following addresses.
This is a permanent error; I've given up. Sorry it didn't work out.
<XXXXX@XXXXXXX.com>:
Sorry, I wasn't able to establish an SMTP connection. (#4.4.1)
I'm not going to try again; this message has been in the queue too long.
Below this line is a copy of the message.
Information about my server: Plesk 9.3.0 | PHP Version 5.1.6 | CentOS release 5.4 | Linux 2.6.28.7 | GenuineIntel, Intel(R) Atom(TM) CPU 330
[url]
I use horde webmail installed through Plesk, and i access it through webmail.domain and not mail.domain
General :: Unable To Establish Connection To Server?
Jun 24, 2010Working in CentOS. Want to have drag-and-drop SCP access to another system.
Opened up the file manager (nautilus) and went under File -> "Connect to Server". Filed in the information, hit connect. The connection will sit forever and will never properly establish. It creates an icon on my desktop, but noting else.
If I go into terminal, su to root, open nautilus and then repeat the process as a root user, then it works successfully. Connection established after I trust the remote host. File transfer works fine.
what is occurring when I attempt to connect as my normal user?
Ubuntu Networking :: Establish A Ssh Connection To Server?
Feb 15, 2010I am trying to establish an ssh connection to my server. I have a regular ssh connection working through the command line, so I know my key works and I have the port forwarding on the router correct.
When I go to Places -> Connect to Server the window comes up properly. The only problem is that the drop down menu only has one option in it for Service Type. It is Custom Location. I have had this set up in the past and there were other options there. I chose the ssh connection and everything was fine. Now it doesn't work.
I have tried to completely uninstall nautilus and reinstall it, but that didn't work. When I did uninstall it, I uninstalled gnome-session as well, and I reinstalled that one too.
General :: Firefox Can't Establish Connection To Server
Feb 7, 2011I am trying to install tomcat (apache-tomcat-6.0.24) on a Redhat machine.Post installation, I find the url: working fine untill I click on 'Tomcat Manager' where it gives me the following message: Failed to Connect.Firefox can't establish a connection to the server at localhost:8080.Though the site seems valid, the browser was unable to establish a connection.
* Could the site be temporarily unavailable? Try again later.
* Are you unable to browse other sites? Check the computer's network connection.
* Is your computer or network protected by a firewall or proxy? Incorrect settings can interfere with Web browsing.
OpenSUSE Network :: Firefox Can't Establish Connection To Server
Sep 25, 2010Since a few days ago, I have too much problems to connect.When I try to connect to Internet with Firefox, the following message is printed out (, most of the times):Code:Unable to connect Firefox can't establish a connection to the server at URL...
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Jan 3, 2011I have just installed Google Desktop. When I do a search it says: Unable to connect Firefox can't establish a connection to the server at 127.0.0.1:38552.
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Nov 3, 2010I've installed apache application server v7.I get a problem when I type the command localhost:8080
Unable to connect Firefox can't establish a connection to the server at localhost.
# ps ax |grep tomcat
9463 pts/2 S+ 0:00 grep tomcat
Ubuntu :: Unable To Connect Firefox Can't Establish Connection To Server
Jan 12, 2010I have a strange problem where I can connect to any site except for [URL]... with the latest Firefox and Google chrome both can connect to [URL]... Using Ubuntu 10 not 7.10 FireFox: Unable to connect Firefox can't establish a connection to the server at [URL]...
* The site could be temporarily unavailable or too busy. Try again in a few moments.
* If you are unable to load any pages, check your computer's network connection.
* If your computer or network is protected by a firewall or proxy, make sure that Firefox is permitted to access the Web.
Google Chrome: This webpage is not available. The webpage at [URL].. might be temporarily down or it may have moved permanently to a new web address. More information on this error Below is the original error message Error 2 (net::ERR_FAILED): Unknown error. Really Strange is that every other site is fine?
Ubuntu :: Failed To Connect Firefox Can't Establish A Connection To The Server At Localhost
Feb 3, 2010I installed required updates on my linux installation (ubuntu 9.4) I am now unable to access my localhost, and get the following message from my browser: Failed to Connect Firefox can't establish a connection to the server at localhost. Though the site seems valid, the browser was unable to establish a connection. I checked my hosts file which has the following information:
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Security :: Kerberos And LDAP - Users Will Be Able To Login In To A Server On The Edge Of The LAN And Establish A SSH Connection
Feb 19, 2010I am trying to deploy Kerberos and LDAP so users will be able to login in to a server on the edge of the LAN, and afterwards be able to establish a SSH connection to all the computers in that LAN without the need to type any passwords, and without the need for me to manage SSH keys [beside the SSH keys on the login server] and local user accounts.
1. When i create the users in OpenLDAP i use a template that i created by reading documentation from the Internet. In the template one piece of information that is neede is the UID. Is there any clever way the keep track of the numbers so i do not assign the same UID to two users, besides using a pen and paper?
2. For the users to be able to establish SSH connections between the computers, the host is going to be added to the keytab like this: ktadd host/client.example.com Is is possible to replace client with something genric so i do not need to mange these keytab files between the hosts?
3. Users will be logging on the the server on the edge of LAN by using SSH keys. How can i configure the setup so the users will recieve a ticket automatically when the logon without executing kinit and without entering a password, just by having a valid SSH key?
4. krb5kdc is running on all the network interfaces in the server i want it to only run on eth1, how can this be done?
Networking :: Setup PPPoE Connection To Establish DSL Connection?
Apr 23, 2010I'm trying to setup PPPoE connection to establish my DSL connection, but I got
Code:
pppoe[3885]: read (asyncReadFromPPP): Session 4479: Input/output error
pppd[4104]: Cannot determine ethernet address for proxy ARP
in my sylog file.
When I do pppoe-start, it connected but I cannot ping into any destination (even to my modem in the same network). DNS servers are explicitly set in pppoe.conf and resolv.conf. Did I miss anything?
Networking :: Local Smtp Server And Smtp Server Of Domain Registrar Simultaniosly?
Nov 27, 2008I have a domain name registered in asianet.com, they provide email service also, can i use local mail server and registrar's smtp server at same time?
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Aug 30, 2010This message was created automatically by mail delivery software. A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed:
xx@xx.com
SMTP error from remote mail server after initial connection: host [URL] [ip address]: 550 Access denied...
CentOS 5 Server :: Steps To Configure SMTP?
Sep 2, 2009Can anyone help me regarding SMTP configuration? I can able to configure and i can send mail from my domain to other domains but cant receive from outside domain
My question is what are the steps to configure SMTP...suppose i wanna configure SMTP server test.com and my hostname is ns1.test.com. so please mention the steps
CentOS 5 Server :: SMTP Doesn't Seem To Work
Apr 28, 2010I have a dedicated server running CentOS 5, Plesk 9.2.2, SMTP Postfix and Courier-IMAP.The issue I have is that on all domains on the server receiving email works fine however sending email never seems to work. This is from email programs, my phone, webmail and PHP. None of them seem to be able to send email. If it is of worth Spam Assassin is running however I don't feel it is causing any problems.
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Jan 14, 2011In Red hat i used the nail command to send mail using an external smtp server without sendmail or other mail services active. My question is: In Centos 5 nail is not present but is present mailx in version 8.1.1-44.2.2
Is there a way to set mailx to use external smtp server ? because in many forum i get the string mailx -S smtp= etc.etc. but in my case the -S parameter generate mailx: invalid option -- S antoher question is there a an official repository to download rpm nail for centos ?
CentOS 5 Server :: Sending All Internal Mail To The ISP's SMTP?
Mar 27, 2009I'd like to have anything that tries to send mail locally on my machine (including crontab reports for instance) to be handled by my ISP's smtp server instead of my machine acting like it's own SMTP server. I've spent around 15 hours trying to figure out how to do this and I keep either getting into things that I don't understand, or hitting brick walls (for instance, I found nullmailer, but after installing it, it seemed like it would only work on Unix) Is there an application like nullmailer which I can use as my MTA to forward all internal mail to a different SMTP?
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Mar 3, 2011I am trying to see if a can get a centos 5.5 server setup as an smtp store and forward spamfilter by following the Centos Wiki and the freespamfilter.org guide by Mr88Talent at [url], which relates to another linux distro.
The spamfilter is essentially working! however, i have one issue with DCC.
test problem:
I'm not sure if anyone else would be interested in a Centos version of Mr88Talent's tutorial, but a very rough and completely untested first effort is available at the following url: [url]
Any opinions on this setup or just a total slating of everything i have done wrong would be welcome as i don't want to waste time trying to use a setup that is just not going to be practical or reliable to maintain / keep operational.
I have read that yum update can break this type of system - which concerns me.
The intended use of the spamfilter is for a small business (only about twenty e-mail accounts). However, they still need to reliably receive e-mails (hopefully with less spam though).
Server :: Smtp Proxy Filter To External Isp Smtp?
Jan 31, 2010In order to have greater control over the emails sent out the company I imagined the following scenario.ScenarioDescribing in words what I need.ser sends an email to user@hotmail.com for example, using the smtp of my isp (is the internet).Before the email is sent, the firewall checks if the recipient is blocked transparent, if you are locked out rejects the email.I searched several forums and mailing lists, but did not find scenarios similar to mine.Where found situations in which the mail servers were internally in the company, which is not my case.
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Jul 30, 2011I am setting up a CentOS box as a NAT firewall that needs to also send mail. It needs to send this mail using an outside provider's SMTP. The provider requires SMTP over SSL. None of the machines inside the NAT will ever send mail except via the provider's SMTP nor will they ever receive mail except to local clients via the provider's IMAP servers.
So for the example the machine is TESTMACHINE. There is one internet facing ethernet port connected to a DSL modem via pppoe.
The SMTP it needs to send mail via is mail.host.net which requires SMTP over SSL (port 465) and username/password authentication.
The sendmail documentation is quite confusing on how to get this simple setup operating, so an example showing the appropriate changes to sendmail.mc and other require config files.
CentOS 5 Server :: Connect With SMTP / IMAP And POP3 Using Email Services?
Oct 2, 2010Having my Diploma Final Project on setting up a virtual mail server within Local Area Network (LAN) only. I had follow this how-to [URL] and complete up to squirrealmail web mail. I added two new user to try on sending and receiving mail. It works. I run CentOS on VMplayer. I using my laptop to do all the stuff, the laptop default OS is windows 7, I install VM player on it and run CentOS inside the VM Player.
I want to do testing on Windows 7 side by installing Thunderbird email client program, I want to connect to mail server with SMTP, IMAP/POP3 using the email service. I have problem while setting up user account on Thunderbird, Thunderbird seems like cannot detect my CentOS mail server. How? Do I have to do any other configuration on CentOS? Any DNS? Port number for IMAP, POP3 or SMTP?
Debian :: Unable To Establish Connection With FAM
Oct 17, 2010I just got an error message and i have no clue what it means.Error: Unable to establish connection with FAM.Do you have "FAM" or "Gamin" installed and running?I installed the net cd of Lenny and it is up to date so I don't know whats up.
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Nov 24, 2010What I have:
Computer: Dell XPS M1210
Modem: SpeedStream 51000 - It's SBCGlobal
I followed the pppoeconf setup instructions.
cracker@Jack:~$ sudo pppoeconf Plugin rp-pppoe.so loaded.
RP-PPPoE plugin version 3.8p compiled against pppd 2.4.5
I then asked it to start the connection.
cracker@Jack:~$ sudo pon dsl-provider
Plugin rp-pppoe.so loaded.
RP-PPPoE plugin version 3.8p compiled against pppd 2.4.5
Checked connection information and got this.
cracker@Jack:~$ ifconfig eth0
eth0 Link encap:Ethernet HWaddr 00:18:8b:dd:6e:cb
inet6 addr: fe80::218:8bff:fedd:6ecb/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Ubuntu :: Unable To Establish DSL Connection
Nov 20, 2010I have set WAN to 'bridged' mode for my D-Link DSL-G604T so that individual devices can connect directly to the internet.
A problem I now face is not being able to connect a computer running Ubuntu 10.04 LTS to the internet via DSL.
The computer connects to the D-Link DSL-G604T router via wireless network connection - which is established, but I am unable to connect to DSL and I don't know why. The DSL connection doesn't even list under the network icon at the top right.
Fedora Servers :: Vsftpd - Can't Establish Connection ?
Feb 25, 2009I just set up vsftpd, from the localhost it works just fine, but when i try to acess it from the network, via firefox or the osx "connect to server" i get a message can't establish connection.
I 'm a new to setting up servers, so maybe i just havent set any neccessary paramters for anonymous login.
My vsftpd.conf looks like this:
Code:
Ubuntu :: Expect Script To Establish SSH Connection
Nov 12, 2010I've got an Expect script that establishes a ssh connection to the iLO interface of a server. Problem is it drops me back to the local terminal and I can't enter commands to be executed on the remote host. How do I get it so it logs me into the server then leaves me connected to it?
Code:
expect -f - <<-expect_script_end
spawn ssh -o StrictHostKeyChecking=no $user@$host
match_max 100000
expect "*?assword:*"
send -- "$pass
"
send -- "
"
expect eof
expect_script_end
The ssh server running on the iLO interface appears to be sending eof's which is causing expect to exit. How can I get it to ignore them?
Ubuntu Networking :: Wireless NW - Establish A Connection
Apr 3, 2011I am trying to set up, I am having problems understanding what steps I need to take but have done the following on recommendation of help from linux forums but am not getting anywhere with what I have done. PC:
Laptop Dell latitude D610
Ubuntu Gnome 2.26.1
I currently have a wired connection to my laptop but am trying to set up wireless, I have put the antenna on the router and have a wireless network showing called NETGEAR, amongst others, which is my primary router name so i'm trying to connect to that but the actual wireless antenna is on the switching hub. For all intents and purposed assume I am a complete newbie with ubuntu and linux command line stuff, I know basics like pwd, ls and so on but need a good bit of help trying to do this. When I click on this wlan network NETGEAR I get asked for the password, on the bottom of the switching hub is a code for WLAN and I put this in, it then asks for a password for a default keyring, which I do not know. How do I find this out?
But I am still not sure what I am supposed to be doing or looking for to resolve this connection problem, not only am I not a network expert I have no knowledge of linux either and steps to follow to establish a connection.
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Ubuntu Networking :: Can't Establish Internet Connection
Jul 18, 2011I'm using Ubuntu for almost two years and everything has worked well till now. One day I have reinstall ubuntu in my computer, but then something went wrong. I couldn't anymore establish my internet connection. I have tried everything but nothing helped. I even reinstall my ubuntu multiple times but there was no efekt. Even when I installed Kubuntu or an older Ubuntu 10.10, there was no internet. I'm also using Windows 7 but there is always a internet connection. I didn't change any hardware on my computer, only a new AMD graphic card. I'm using wired optical Internet 10/10 MB.
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Aug 30, 2010This message was created automatically by mail delivery software. A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed: xx@xx.com SMTP error from remote mail server after initial connection: host [URL] [ip address]: 50 Access denied...
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