CentOS 5 Server :: Sending All Internal Mail To The ISP's SMTP?

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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Server :: Postfix - Sending SMTP Mail ?

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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CentOS 5 :: Mail Are Sending From Internal To External Like Indiatimes?

May 23, 2011

i have centos 5.5 and qmail installed in it this qmail is used for internal mail , we are not send mail from internal to external ids i.e gmail, yahoo etc, this qmail intalled on 192.x.x.x ip server this ip is not live ip but my problem is that from few days mail are sending from internal to external like indiatimes ,yahoo etc

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Server :: Sending Mail Through Thunderbird Smtp Auth Error

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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Ubuntu :: Sending Mail Via Smtp.gmail - Php ?

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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General :: Mail Not Sending To Internal Addresses

Sep 4, 2009

I'm using the mail command and I am able to send mail to my gmail account with out any problems. However when I send mail to deco -at- mycompany.com I nothing happens and no mail ever arrives in my mailbox. It might be worth mentioned that my centos5 is a virtual machine on the same server as the company exchange mail server.

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CentOS 5 Server :: Postfix No Longer Sending Mail?

Jan 7, 2010

One of my mailservers running postfix has suddenly stopped sending mail and has been generating the following errors:

Jan 7 12:03:08 postfix/sendmail[3560]: warning: premature end-of-input on /usr/sbin/postdrop -r while reading input attribute name
Jan 7 12:03:08 postfix/sendmail[3560]: fatal: root(0): unable to execute /usr/sbin/postdrop -r: Success

[Code].....

Things I have tried to fix this problem, but didn't work.

1) Stopped postfix, uninstalled and reinstalled.

2) Did a complete filesystem relabel with a touch /.autorelabel and reboot.

3) Did a restorecon -F -R on /etc/postfix, /var/spool/postfix and /usr/sbin/post*

Nothing above has worked and have no idea why with selinux disabled postfix works and with it on it fails.

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Networking :: CentOS Mail Setup - Sendmail Via External SMTP Server

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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CentOS 5 Server :: Sending Logwatch To External Mail Address?

Nov 4, 2009

My ISP blocks outgoing email if it does not login properly with a valid account. I successfully configured sendmail to use SMART_HOST and confAUTH_OPTIONS with confAUTH_MECHANISM set to LOGIN PLAIN.

It successfully sends email because I tested it with evolution sending through 127.0.0.1, but I need to specify myacount@mydomain.com as the email address for root.

But it doesn't work for logwatch because it sends as from root@localhost.localdomain, and my ISP's smtp server rejects it. The message I get back in root@localhost account is the following:

----- Transcript of session follows -----
... while talking to smtp.mydomain.com.:
>>> MAIL From:<root@localhost.localdomain> SIZE=581 AUTH=<>
<<< 550 5.7.1 Client does not have permissions to send as this sender
554 5.0.0 Service unavailable

I thought that I should masquerade all emails from this domain, so I configured sendmail as specified in [1] section "24.3.1.4. Masquerading", but it doesn't work. It seems that masquerading in sendmail is broken or something is wrong in the documentation.

[1] [URL]

I have sendmail 8.13.8-2 and centos-release-5-4.el5.centos.1.

Is there a way to specify the "From:myacount@mydomain.com" in logwatch ? or Is there a way to make it work the masquerading in sendmail so I can masquerade everything as coming from a specific account?

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CentOS 5 Server :: Access Denied When Sending Mail - Postfix

Jan 18, 2011

I have configured mail server with postfix with dovecot with no encryption:
When connecting with Thunderbird imap is working fine. When sending email from another domain to this domain again it is fine. But when I want to send mail from my domain to another it gives me error and this is /var/log/maillog:
Quote:Jan 18 18:23:09 srv1 postfix/smtpd[3991]: NOQUEUE: reject: RCPT from unknown[95.81.67.120]: 554 5.7.1 <Recipient email>: Relay access denied; from=<Sender> to=<Recipient email> proto=ESMTP helo=<[127.0.0.1]>

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Server :: Mail Bouncing - SMTP Error From Remote Mail Server After Initial Connection: 550 Access Denied

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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SUSE :: Mail Bouncing - Xx@xx.com SMTP Error From Remote Mail Server After Initial Connection

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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CentOS 5 :: Postfix Mail Server Will Not Start Tried To Change Postfix Smtp Port?

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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Ubuntu :: Using The Postfix SMTP Server For Sending Emails?

Dec 13, 2010

I am using the Postfix SMTP server for sending emails. However I just did a default installation and subsequently someone is sending spam using my SMTP server. I would like some help on securing my Postfix server and to block these mischievous emails being sent from my server.

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Software :: SMTP Server - Sending Emails Across Internet

Apr 23, 2011

I have installed an SMTP server using ...
sudo apt-get install postfix
but I sill cannot send emails from my local machine to my yahoo account using ...
echo "Hi Steve que tal ?" | mail -s "test message" steven_matthews_uk@yahoo.co.uk

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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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Server :: Postfix Is For Sending/receiving Internal Emails Only?

Jan 21, 2010

One of our postfix servers is for sending/receiving internal emails only. When a user entered a wrong recipient address, it will take almost an hour for the user to get the "Recipient address rejected" email. What can be done to let the user get the "Recipient address rejected" email quickier.

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CentOS 5 :: Sending Mail From Terminal?

Aug 24, 2009

cannot find what should I do, which conf should I edit to make it work. I cant send email from command line.

Is it necesary to have mail server setup? Hope not, just want simple txt mail sent. I tried MUTT and MAIL.

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CentOS 5 :: Sending Mail From Localhost?

Feb 13, 2010

I want to send mail to potential customers from my localhost server in my SOHO. I have a web site hosted with a company called geek hosting [URL], so I have access to the mail services through them... I want to their mail server to push things out to the world form my localhost server.

I do have a registered domain name which the hosted site runs under

the domain name for my centos 5.4 server is localhosthost.localdomain.

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CentOS 5 :: Not Sending Some Mail Through Wordpress?

Dec 23, 2010

I am very new to CentOS and running a server in general. I managed to get a server setup with CentOS, and it's running a wordpress driven social networking site. Everything is fine except sometimes my server won't send registration/activation emails to some email addresses. This is a huge problem because people signup but then can't activate their account. I don't understand why its sending some and not sending others based on the email domain? The guys at wordpress said "it's that your server does not support SMTP or at least wp_mail() in its normal form" but that doesn't mean much to me.

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Server :: Sended Mail Go To Trash Folder Of Reciver Using Postfix In Smtp Server?

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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Server :: Send Mail From Already Exist SMTP Server?

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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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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Server :: <Mail From> Header Not Working PHPMailer With SMTP?

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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Ubuntu :: Evolution Mail - Bad Authentication Response From SMTP Server

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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Server :: Postfix Not Relay Mail Via Gmail Account SMTP

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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Server :: Round Robin / Exim4 / Mail Delivery SMTP?

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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Server :: Sending Mail From Shell Script?

Jul 5, 2011

I tried the command echo "Test" | mailx -s "Test subject" reciever@test.com -- -f Tester@gmail.com

But in the mailbox of reciever, i can find the sender name as Tester@gmail.com. My requirement is to show the sender as 'Tester' alone, without the domain name.

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General :: Send A Mail By Communicating Directly With An SMTP Server In Telnet?

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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Server :: Sendmail SMTP Send Doesn't Work With OS X 10.6 Mail.app Clients

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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