CentOS 5 Server :: Postfix With Mail Store On NFS?

Jul 15, 2009

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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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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CentOS 5 Server :: Postfix And Hosts File - The Mail Server Could Not Deliver Mail

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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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 :: Postfix Sends Mail To SPAM In Gemail (CentOS)?

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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CentOS 5 Server :: Sendmail To Postfix - Transfer All The Mail And Settings From The Old To The New?

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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CentOS 5 Server :: Postfix Save Mail Before Relying It To Exchange?

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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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 :: CentOS Mail Server - Dovecot & Postfix

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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Software :: Setup A Mail Server - Virtual Users With Postfix - PostfixAdmin - Courier - Mailscanner - ClamAV On CentOS 5.5

Dec 26, 2010

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:-

[Code]....

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Ubuntu Servers :: Migrate Postfix Mail Server To Exchange 2010 Mail Server

Nov 3, 2010

I have a problem relate to posttfix.I want to mirgare postfix mail server to exchange 2010 mail server but I can't do it,u can help me.You can show me have to do configure postfix and exchange how to?

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Server :: Postfix Logs - Difference Between The Mail.log And Mail.info Files?

Jul 27, 2010

I have setup a postfix mailserver and it seems to be working ok, we are only using this to relay mail to our forum users. Its not being used to recieve any email only send them out to the internet.

What is the difference between the mail.log and mail.info files? Can I turn one or both off? I see alot of messages like...

Just wondering what this string of log entries means? Also I am getting duplicates in the syslog file as well.

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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 :: Configure Mail With Postfix & Cyrus-imap - Cannot Send Mail Through Command Line

Nov 19, 2010

I'm running SUSE linux Server version 11. I want to configure mail server with postfix & cyrus-imap. For that, i have read many documents in Internet by i met issues. I'm running DNS in this server & it's ok Now I cannont send mail through command line.

[Code]....

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Server :: Can't Get Postfix Mail Boxes From /var/mail To ~/Maildir?

May 31, 2010

I'm running a Debian LAMP server and I am adding postfix. The initial config is working and I can send and receive mail both locally and over the WAN. The problem is that I cannot get mail delivered to the user's home directory using Maildir/. I have set the:home_mailbox = Maildir/ parameter in main.cf but mail still goes to /var/mail after Postfix reload. The system is now using Maildir/ instead of mbox but in /var/mail. I really want to get mail into the user's home directory.

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Server :: Delivering POP Mail To An IMAP Store?

Sep 3, 2010

I've set up an postfix+courier imap+mysql server.is it possible to 'move' mailfiles over to the imap store? I have another mail address at my isp provider. And I would like to get rid of my pop mail storing mails locally in my mail client (which is windows; ms outlook). My ISP doesn't support imap, and I would like to store all my mail on one server, which is located in a good server envirmonment. Plus it's nice to have access to all mail from a web interface when it's vacation/travel time. I was thinking something like having a pop client cheking for mail every couple of minutes on the server, some suedo code follows:

Crontab on local server:
0,5,10,15,20..55 * * * * /usr/sbin/checkmail
2,7,12,17,22..57 * * * * /usr/sbin/mv_mail

checkmail:

Checks and downloads popmail from external server

mv_mail:

moves mail from e.x /var/spool/mail/pop/user/cur/* to /var/spool/mail/imap/user/cur/*

Will this kind of setup be possible? is Maildir style popmail compatible with Maildir style imap?

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General :: Can't Send/receive Mail Using Postfix/Dovecot On CentOS 5?

Apr 18, 2011

nstalled Postfix + Dovecot + Roundcube on a plain CentOS 5.5 box, let say on "site.com".I cant send or receive emails. When I try to telnet from both localhost and from the outside world, it can not reach the mail server.Testing itself on port 25:

Code:
[root@srv-estudio:~]telnet mail.site.com 25
Trying 200.40.xx.xx..

[code]...

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Server :: Postfix As Spam Mailscanner To Protect Mail Server Running Sendmail?

Jul 27, 2011

I am using postfix as spam Mailscanner to protect my mail server running sendmail. The problem is that when I forward an email from MailScanner mail me back with the following error:

<postmaster@localhost.@mydomain.com.>... Real domain name required for sender address (in reply to MAIL FROM command))
Jul 27 13:15:59 smtp postfix/local[28465]: C68AC1000001: to=<root@smtp.mydomain.com>,

[code]....

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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 :: Basic Postfix And Dovecot Mail Server For A Test Environment?

Sep 16, 2009

I did a a basic install of postfix and dovecot instead of using courier-pop and courier-imap. This is only send and receiving e-mail locally within the test network 10.7.0.X and 10.0.0.X. I used:

[URL]

my postfix.conf is;

PHP Code:

[code]....

This is the error when I send an email from a local machine on the 10.0.0.X network.

PHP Code:

Jan 20 17:05:48 testbox postfix/smtpd[2491]: warning: Illegal address syntax from unknown[10.0.0.111] in MAIL command: <test@10.0.0.112> 

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SUSE :: Cannot POP Postfix Mail Server

Feb 28, 2010

Iv setup a postfix mail server.. and setup my MX records within DNS. I configured the posfix mail server with the Mail accounts.I sent the accounts a test message. They end up in the Maildir for the user. But for some reason i cannot POP the mail server from a client. I can telnet to the SMTP server.. But cannot telnet to the POP3. Iv opened the ports in the firewall correctly. and even tried disabling the Firewall but when i try to Telnet to port 110 or POP port 110 i get an error saying "connection refused"

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Server :: Cannot Send Mail Outside LAN With Postfix

Apr 4, 2010

My problem is that I cannot send mail with postfix. For all mail I get connection timeout Example: (delivery temporarily suspended: connect to [URL] Connection timed out)

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Server :: Can't Sen Mail Over LAN From Mutt To Postfix

Jun 4, 2011

I'm trying to get my network set up. There is an internal network separated, by a dedicated firewall, from the DMZ. I'm trying to send mail from the internal network, using mutt, to the postfix server on the DMZ.No firewall is set up yet on the dedicated firewall(the whole network is, at the moment, protected by the border router) Mutt was installed with the smtp, pop,imap,ssl,sasl,gdbm options.

I thought the fact that it was compiled with the SMTP flag set would enable me to either send mail without an MTA on the same machine that mutt is installed on(internal network host) Or that i could just specify the path to the sendmail binary and not have to start postfix as a daemon ?I've found out that sendmail is supposed to be a postfix command. So i added:

Code:

sendmail="/usr/sbin/sendmail"
to /Users/me/.mutt/muttrc

But now when i start mutt i get an error saying:

Code:

/usr/sbin/sendmail: Unknown command

Obviously i started postfix before firing up mutt The permissions say that i should be able to execute sendmail as a normal user.But mutt isn't dealing with it, even though permissions appear to be correct.What do i need to do to get mail, from a normal user, over my LAN working(with mutt and postfix)?Once i have this working then i can get a proper domain name and configure postfix on the DMZ for SASL+TLS etc etcBTW i can send mail to postfix from internal network using

Code:

telnet serverhost 25
etc

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Server :: Postfix Can Not Send Mail

Jan 21, 2011

telnet localhost 25 when rcpt to:mike@test.com ,report error: 451 4.3.0 <lisi@test.com>:Temporary lookup failure

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Software :: Specify IP Of Another Mail Server In Postfix?

Jul 21, 2010

I have postfix installed on 2 different boxes for 2 different domains in my network. The 2 boxes are in a single network which has a PIX firewall as the internet gateway. In the PIX the external IPs are being mapped with internal IPs of the corresponding boxes. In fact, the boxes are able to resolve the IPs of each other from the DNS. But none of them can contact each other using external IPs. They don't even ping each other with external IPs, but works fine with internal IPs. When investigated on the issue, I found that this cannot be called an issue, but this is how a network is designed (Not sure if I am right). But all the boxes can contact each other using their internal IPs.

The tweak in my mind is to specify the internal IP of the other mail server in the same network, to postfix. Is there anyway to do this?

I tried specifying the internal IP in /etc/hosts, but did not help. I came to a conclusion that postfix is not considering /etc/hosts file (Again I am not sure).

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Server :: Can't Download Messages From Mail Server (Dovecot, Postfix)

Sep 29, 2010

I am running Fedora 10, Postfix and Dovecot I recently changed the password of a user using the 'passwd' command. The problem is that the user can no longer receive their email messages in Thunderbird (Authentication Error). However, they can still login using SquirrelMail and get their mail.

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Server :: How To Use Postfix To Send Mail Through Microsoft Exchange Server?

Dec 25, 2010

I recently had the need to relay SMTP mail through our organizations hosted MS Exchange server. I had to do a little troubleshooting, so I wrote a concise summary of the procedure I followed.

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Server :: Converting Exim Mail To Postfix?

May 22, 2010

We moved over from Cpanel using Exim. I was wondering if anyone knew of way to convert the mail so when a user logs in they get to all their mail in their folders. I notice exim has a ton of folders while postfix creates files that act like folders which contain all the emails. I sent up 1 of the emails into the our mail folder that was created by Exim and it can be Subscribed to in Outlook with imap but the emails inside doesn't show up. They both appear as text files so I don't know what the difference is.

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Server :: Setting Up A Postfix Mail On Ubuntu?

Apr 16, 2011

how the whole mail server thing works, and what software handles what job. From my understanding POP3 and IMAP are protocols to pull email from a mail server, and SMTP is used to push email to a server. There are many programs that I've seen involved with creating a mail server, but I'm trying to use just Postfix. Postfix can send and receive email right?

My server runs in my basement and runs Ubuntu Server 10.10. It uses Cherokee as its web server, and it runs several other servers as well (SSH, FTP, Git, etc). My goal is to set up a mail server so that websites I run such as a Redmine or a web forum can send emails to people (e.g. an activation email for a user registering on a forum).

Anyway, I set up postfix, and now my server can receive email. I've been able to send an email from my Gmail address to drew@minipenguin.com (my server), and it works. However, if I try to send email from drew@minipenguin.com to my Gmail, it never goes through. I don't care about receiving email, as my only goal is to be able to send it.

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Server :: How To Set Quota For Mail Boxes In Postfix?

Jul 20, 2010

I am going to setup postfix mail server for my client on RHEL 5.5 64 bit server, But I don't know how do I set quota in users mail boxes as I have found postfix don't have this feature, so If I will use linux disk quota technology in my mail server for solving this purpose will this help.Please suggest procedure if it is possible or any other alternate.

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