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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Fedora Servers :: 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 frommy domain to another it gives me error and this is /var/log/maillog:

Code:
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]>

[code]....

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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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Server :: Use Postfix Send Mail Return 'relay Access Denied' ?

Jan 24, 2010

my server is Redhat as 5 + postfix +Dovecot .when i use smtp to send mail,it can't to send,the system return "relay access denied" ? This is my maini.cf

Code:
# Global Postfix configuration file. This file lists only a subset
# of all parameters. For the syntax, and for a complete parameter
# list, see the postconf(5) manual page (command: "man 5 postconf").
#
# For common configuration examples, see BASIC_CONFIGURATION_README

[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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Server :: Postfix: Sending Mail From Multiple Domains?

Jul 20, 2009

I'm running a server with two sites which both need to be able to send emails. Currently I have Postfix set up to send email via Google Apps. This works fine, but Google's servers ignore the From: address I specify and substitute the one I logged in with. Is there a way to make Postfix log into Google Apps with a different username based on what site the email is coming from? The server does not recieve any mail itself; Google recieves it and we have it set to forward it to the appropriate person's real email address. I'm only worried about sending mail.

(Postfix is not a requirement here, so if there's another mailer that can do this better, I'm open to ideas. However, sending email directly from the server isn't an option as it's a residential IP address and blocked by most of the big email providers.)

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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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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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CentOS 5 :: Postfix Not Sending Email To Right Server?

Jul 23, 2009

I have postfix sort of working correctly. postfix can send email to the internet but it doesn't want to send email to my local exchange server. What I need is for postfix to send emails directed to @xyz.com to my exchange server instead of itself.

My setup
mail.xyz.com - exchange 2003 server
www.xyz.com - centos 5.3 server with postfix

www.xyz.com can send emails to my hotmail.com account so that part works correctly. www.xyz.com can't send email to username@xyz.com. postfix seems to be delivering the email to itself and not the exchange server.

How can I tell postfix to send the @xyz.com emails to my exchange server?

Here is a sample of my /var/log/maillog
Jul 22 15:43:43 list postfix/smtpd[9802]: D63168604A3: client=localhost.localdomain[127.0.0.1]
Jul 22 15:43:53 list postfix/cleanup[9805]: D63168604A3: message-id=<20090722204343.D63168604A3@www.xyz.com>

[Code].....

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Server :: Postfix SASL - Relay Access Denied?

Mar 21, 2011

distro = debian 5

when i tried to send to other domain, i will get "Relay access denied"

below are my configs

main.cf

Code:
# postconf -n
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
append_dot_mydomain = no

[Code].....

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Mar 20, 2011

I've setup my server by following a ton of goods, and it seems to work ok, but I need to start using my server for email in order to receive orders placed via my website. I've followed this guide - [URL] I followed the steps above, and tested the mail server via telnet, and all seemed to be ok. I tried sending an email via Squirrelmail, from cs@thinclientwarehouse.co.uk TO my working email simon@c1systems.co.uk, but the server returned with the following message:

<simon@c1systems.co.uk>: host mail.c1systems.co.uk[95.128.128.129] said: 550-Verification failed for <cs@localhost.thinclientwarehouse.co.uk> 550-The mail server could not deliver mail to cs@localhost.thinclientwarehouse.co.uk. The account or domain may not exist, they may be blacklisted, or missing the proper dns entries. 550 Sender verify failed (in reply to RCPT TO command)

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Jan 10, 2010

I'm simply just having trouble sending mail with postfix. I have all my hostnames, rdns setup properly. I also have iptables open on port 25.

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Mar 27, 2009

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Feb 23, 2010

Postfix is not sending mail, I did a basic test of sending an email locally using the Linux mail command, and nothing was delivered, and I couldn't find an error either.

Where is the log for postfix located?

In main.cf I changed:
myhostname
mydomain
mynetworks
home_mailbox (I want to use Maildir/)

What am I missing?

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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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May 5, 2010

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I tried to setup a Postfix system as VM Guest, in a single file image. So I want to store the mails on another hosts throught NFS mount. I got various errors when Postfix try to write to the NFS share. Anyone knows what's the correct setup for this? like file permission on the NFS?

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Aug 24, 2010

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Apr 16, 2011

I'm new here and I'm sure this question has been thrown around a lot but I just couldn't find a solution. I have a networking website I've setup and we need to send notification mails to our members depending on activity related to their profiles(messages, comments etc).We are hosting the site on Centos5.6 with VirtualMin and are using Postfix as our MTA. We also use google apps for email on the site. Heres the problem, the mails go through for some gmail users but more often than not, they end up in gmail,hotmail and yahoo spam.We've setup the appropriate SPF codes on the server, DKIM and rDNS works fine.v=spf1 ip4:xx.xx.xx.xx a mx include:_spf.google.com ~all Below is a sample email that goes directly into gmail spam. I've replaced the actual values with dummy text (Ip, Domain etc)

Delivered-To: my.email@gmail.com
Received: by 10.143.165.5 with SMTP id s5cs223598wfo;
Fri, 15 Apr 2011 08:38:22 -0700 (PDT)

[code]...

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Jul 31, 2009

i currently installed centos 5.3 with postfix. My old server is centos 4.5 final / new 5.3 final. Old server has sendmail / new has postfix. how can i transfer all the mail and settings from the old to the new? also, the old mail server is mail.xxx.xxx and for testing purposes i named the new mail server mail2.xxx.xxx.

when i an ready to put it into production, the new server will need to be mail.xxx.xxx and the old removed from the system. How do i go about changing the name and making sure everything comes out correct?

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Jan 29, 2010

I have postfix setup right now and it's relying mail to our Exchange server fine. What i would like to do though is have postfix save the email that gets passed through so that if a manager deletes an email, it's easy to look through by date and find the email he's looking for. Well, I'm thinking it would be a lot easier then having to need to pull out the backup tape and try to recover one email. Does anyone know whether I would be able to accomplish this?

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Oct 2, 2010

Having my Diploma Final Project on setting up a virtual mail server within Local Area Network (LAN) only.I had follow this how-to http://www.linuxmail.info/squirrelma...o-in-centos-5/ 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 ?

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This is my first post, I hope I'm the the right place. I installed mysql mysql-server php-mysql perl-DBD-mysql libdbi-dbd-mysql via "yum install -y" on a server running CentOS 5.3 X86_64 The install completes successful with no errors, but once I start mysqld via "chkconfig --level 35 mysqld on" ; "service mysqld start" There are no errors in /var/log/mysqld.log netstat shows mysqld listening on 3306 and localhost is in /etc/hosts

[Code]...

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Jul 14, 2010

I've only recently encountered this problem with vsftpd when I was creating new ftp accounts. I keep on getting:

550 Access Denied.

on every action I try to do on ftp, no matter what. I've been trying to solve this myself however my attempts have been futile.

The permissions, and ownership have been checked and rechecked tens of times now, so thats not the issue. I've reinstalled the OS of my server twice now, and the problem is still persisting. Heres my config file, this isnt for anon by the way.

Code:
# Example config file /etc/vsftpd/vsftpd.conf
#
# The default compiled in settings are fairly paranoid. This sample file
# loosens things up a bit, to make the ftp daemon more usable.
# Please see vsftpd.conf.5 for all compiled in defaults.
#

[Code].....

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Mar 16, 2009

Has anyone seen this? I have attached a screenshot of it to this post.

When I log in using PUTTY, as soon as I enter my username and hit enter I get Access denied, then a prompt for a password and all works well, it just tells me access denied even though it didnt deny me. its weird.

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Jun 3, 2010

When attempting to check my postfix install by using telnet to send an email to an address outside my local network, I get a relay access denied error.

This is how I attempted to send an email

Code:
telnet my_server 25
helo my_server
mail from: me@my_server
rcpt to: me@gmail.com

[Code].....

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I am trying to set up a Mail Server -- Virtual Users with Postfix, PostfixAdmin, Courier, Mailscanner, ClamAV On CentOS 5.5 using this guide. These are the version and softwares I have used till now:-

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