General :: Mail Server - 111 Cannot Open SMTP Stream
Oct 20, 2010
We have one major problem in our dedicated online mail server. In this mail server both sendmail and qmail running for send and receive mails. In this server I can able to send mail to other domain like Gmail and yahoo its works fine. But I am not receiving any mails from other domains. And automatically I got telnet localhost 25 connections refused error. When I send mail from my webmail I got like this error Connection refused Server replied: 111 can't open SMTP stream. This is I got when I send mail from webmail. I am using centos 5.2 version.
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Aug 30, 2010
This 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...
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Aug 30, 2010
This 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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Jan 20, 2010
How to communicate with an SMTP server with telnet, in order to send a mail?
telnet smtp.something.somewhere 53 Trying
10.xxx.xxx.xxx...
Connected to smtp.something.somewhere.
Escape character is '^]'.
And that is as far as I got. What do I have to do after?
What do I have to write after "HELO"?
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Apr 14, 2010
I have sendmail running on my centOS 4.6. My lamp server also runs on it. I want to send mail through php mail function. when i execute php page, which fires the mail function, it takes so much long tim1 say even 1 minute, and at last displays that message sent successfully. Suppose, destination address is [URL].... I did not get any mail there. My server is running in LAN. I checked the status of sendmail, it shows me that it ios running. when i issue "nmap localhost" it shows me that SMTP port 25 is open, but when i issue "nmap myserver" (192.168.1.20 myserver ( written in hostfile)), it does not show that SMTP port is open.
I checked the /var/log/maillog, one person in my previous post advice me to see that. There it shows that message is accepted for delivery...but i do not get any mail in my destination, even not in spam folder. One more confusion is that, in my case my server is in LAN and if I am at all enable to open the SMTP port on it, does i need to open SMTP port on my router (which connects my LAN to internet) also needs to open? I think no, because SMTP is application layer protocol, it will wrap my mail in IP packet, which router just need to forward. am i right?
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Nov 26, 2010
my postfix to send and recive external emails, but many recive in trash folder.Other programer say me that is need some configurations in postfix with and dovecot to work, but i dont know what!This is my first time configuring a linux server at this week.
my main.conf
sample_directory = /usr/share/doc/postfix-2.3.3/samples
readme_directory = /usr/share/doc/postfix-2.3.3/README_FILES
[code]...
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Oct 27, 2010
I have the following config with Postfix:
Quote:
But it keeps coming up with:
Quote:
Is there any reason from these configs as to why this should be occuring?
This was the guided step by step tutorial I followed: [url]
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Apr 4, 2011
I come back to everybody cause I don't find an explicit how to do this!In our internal network, I've created an email server with Postfix and Dovecot. (Just for internal domain, no needed to go outside)
But I've some server which use linux too. All are on CentOS 5.5.I would like to configure these servers to use my internal mail server for send email, and not configure sendmail or postfix on each server.
What I've to do exactly on each servers to use it? I search on the web but I don't find something very explicit
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Apr 12, 2010
Installing PHPMailer v.5 (server running php5) with SMTP function. I have installed the main files in mail directory such as: # class.phpmailer.php: This is the main class file which contains the various email functions.# class.smtp.php: This additional class allows SMTP authentication.I don't think I need class.pop3.php as I'm sending mails server side (smtp)and should be accepted by most IP's pop3 servers.
All my mail functions work great with SMTP and I can send and receive. My problem is that my recipients only receive mail from admin@domain instead of "My Website Name" Sounds simple enough, I know and I have made adjustments to class.phpmailer.php and have inserted my specific mail attributes for my site such as mail address, mail from, smtp server, user/pass for smtp,etc.PHP Mailer v5.0 class.phpmailer.php is a very long script and I only found a couple of places to put the FROM address as follows:
PROPERTIES,
PUBLIC
/////////////////////////////////////////////////
/**
*
Email priority (1 = High, 3 = Normal, 5 = low).
[code]....
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Mar 27, 2009
I'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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Feb 25, 2011
I tried setting up evolution mail incoming worked fine outgoing Big No, so I install Thunderbird and it worked like a charm. Then I decided I liked Evolution a little more and wanted to see if I could get it working and came across this. Firstly I entered all my details correctly double and triple checked. Look at my user name now when i try sending an email I get this? Why has my email changed?
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Jul 6, 2011
i had configured mail server in linux. i had configured sendmail in linux client . i have error while sending mail through thunderbird smtp auth error how can i resolv the issue .....
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Feb 11, 2011
I'm trying to set up my postfix server to relay mail (via a php cms) using Gmail's smtp on my account, but for some reason, Gmail returns an error code that StartTLS must be sent first, my postfix main.cnf file can be found at pastebin, because of this forum's text length I cannot paste my postfix main.cnf file as can be seen I have everything set and configured for Gmail, but postfix (for some unseen reason) can not send StartTLS. [URL].
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Apr 30, 2011
Here is the senario...
2 round robin dns servers
x.x.x.1 mydomain.com (hostname)
x.x.x.2 mydomain.com (hostname)
My problem is that when I try and send an email that is part of the domain, it ends up trying to deliver it locally. I realize it is supposed to, but I don't want that for non-users of the server.
I want to be able to deliver certain emails []@mydomain.com remotely. (info@mydomain.com)
exim4 setup "internet site; mail is sent and received directly using SMTP". This works well as long as it is not an email from mydomain.com.
Is there a way to have exim check the users first and then deliver based on local user or not?
Next question. Is having the domain name as the hostname the best way to setup a round robin? (web server)
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Jul 30, 2011
I 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.
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Aug 3, 2010
I've been having this problem since 10.6 released, but have until now been successful with the "just use Thunderbird" response. My sendmail server hasn't been changed, but as clients upgrade from OSX 10.5 to 10.6 suddenly mail.app will no longer connects to send SMTP messages through the server. (IMAP connections to the same server using the same user/pass combinations work perfectly) When I look at the logs, things basically stop right after the STARTTLS command.
Google indicates alot of people are having similar problems, but I'm not seeing any solutions. Do any of you administrate sendmail servers where some of your clients are using Apple's Mail.app on Snow Leopard, and if so what settings are you using? At this point, I'm happy to make changes to the server to accommodate Apple's issue, I have too many Mac users connecting to my server. I just can't figure out what to change. I've enabled virtually every possible login authentication combination, and none of them work.
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Mar 15, 2010
This is the current setup that we have: We have approx 20 clients who pay us to send out a type of e-mail called an E-Blast to their customers. We currently are using 5 Microsoft Windows Virtual Servers to do this. The problem is that those machines are starting to break down. There are times that it will take Microsoft Windows approx 9-10 hours to complete 1 job. This is way too long. We want to move away from Microsoft Windows for this particular type of job as it seems there are more customers who are wanting to use this type of advertising.
It seems that using a Linux Server "Command Line or Shell" environment would be the best way to go as there is no GUI like Windows. Since there is just text...that is something that would/should process very, very quickly.
I am in the process of setting up a new SMTP outbound mail server. This is the current software & configuration (what is installed on this new machine):
All of the customer data (Names, E-Mail Addresses, etc that these e-mails are going to) are currently loaded in a Microsoft SQL Database.
My machine that I am using is plugged into the DMZ. I have 1 ip address for the 1 network card. I have also added/bound 4 more ip addresses to that network card.
I have configured Postfix for Multiple IP Addresses.
I can, from the command line, send successful test e-mails and receive them in my personal account.
As far as I know everything is setup correctly. I can and will post requested information so that it can be verified that everything is setup correctly.
Here are a couple of my questions:
Ensure that I have my Network / Interfaces file and my Postfix's Master.cf/Main.cf files setup correctly?
How can I setup this server to be an Outbound SMTP server and get it to use all 5 of the IP Addresses to send these e-mails quickly?
What can I use to check and ensure that this server is in fact sending out emails on all 5 IP
Addresses (I heard that there is a program named "Postal" that may help in determing this).
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Nov 3, 2010
I have one Centos Server and I want to forward root mail to 1 external account: [URL] I installed sendmail and created /root/.forward with this content: [URL] and I sent a test mail with this command: /usr/sbin/sendmail root <prueba.txt But nothing was forwarded.
After that I ran the same command with the verbose option:
/usr/sbin/sendmail -v root <prueba.txt
And this is the output:
root... Connecting to [127.0.0.1] via relay...
220 localhost.localdomain ESMTP Sendmail 8.13.8/8.13.8; Wed, 3 Nov 2010 21:09:39 -0600
>>> EHLO localhost.localdomain
250-localhost.localdomain Hello myfriend [127.0.0.1], pleased to meet you
250-ENHANCEDSTATUSCODES
[code]....
For some reason sendmail tried to connect to example.com smtp server and couldn't reach it. I am sure this is because the smtp server for example.com domain is not example.com is mail.example.com. Besides mail.example.com requires authentication, username , password and the smtp port is not the default 25 is 9999. configure sendmail to forward root mail to a smtp server that requires authentication, username, password with a not the default 25 port?
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Jul 1, 2010
I am running CentOS 5.5 and am trying to get Nagios to send out Emails.
After a bit of reading I have the following in my /etc/mail.rc file:
Code:
[root@linux ~]# cat /etc/mail.rc
set ask askcc append dot save crt
ignore Received Message-Id Resent-Message-Id Status Mail-From Return-Path Via
set smtp=172.29.1.76
You have new mail in /var/spool/mail/root
[root@linux ~]#
I have Nagios setup correctly and introduced an error to generate an Email but nothing has come through.I suppose I have two questions:
1. Is mail.rc setup correctly?
2. Can I test to see if mail.rc is working correctly?
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Mar 12, 2010
When 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
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Nov 27, 2008
I 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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Oct 4, 2010
so i set out to change the default smtp port the server uses because my ISP blocks port 25 and i need the email to work in outlook. this morning i could receive email, but not send it. so i did some research and thought that i needed to edit the master.cf file in /etc/postfix/ by commenting out this line: smtp inet n - n - - smtpd -oand replace it with587 inet n - n - - smtpd (587 being the port i want to use)somewhere along the lines postfix server stopped running and now i cannot get it to start.if i try using SSH it crashes immediately and if i restart it in simple control panel nothing happens
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Jan 31, 2010
In 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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Feb 11, 2010
I have specified a particular IP in the php.ini configuration file to be used by the mail() function. However, there are exceptions when I want to use a different SMTP Server's IP to relay delivery of emails to External Domains. So, how to use SMTP Value in the mail() function. I think it has to be done in the Header Section of it...?
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Oct 28, 2010
The php mail form is designed using post function,normally the mails are not getting delivered without smtp authentication.So can someone say me on adding smtp authentication to php email form.
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Feb 25, 2011
I want to send mails via gmail with php. I need to know how to configure main.cf, php.ini, postfix,smtp... and all what is necessary. I tried a lot but no results.
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Jan 27, 2010
I have a friend that want to migrate his server to a open source mail system. Currently, he's using a system using Maildir. So I decided to use qmail since it has support for Maildir and it has pop3 capability. Courier-imap is the one I'll be using for IMAP. My concern is webmail. Can anyone suggest a webmail that will run using Maildir format and has addressbook and calendar feature. I'll be using a single server only. Please exclude Squirrelmail from the list.
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Sep 29, 2010
I'd like to use the mail command to send e-mails with some log files. Is there a way to configure the SMTP server from cli or to write the IP address into a file?
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Jun 2, 2010
Linux newbe, trying to setup mail. Imap no problem, SMTP keep getting connection refused. Credentials and login info to smtp server same as working on windows machine...
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Oct 18, 2010
Trying to transfer to claws mail from kmail, I have problem in sending emails: It doesn't send email through one of my accounts (a university account) and says: An "error happened during SMTP session". My other university account works!
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