Open source email server for Unix

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Postfix/Dovecot issue

I installed Postfix/Dovecot locally on Ubuntu server, I can mail from Ubuntu server to any user in my local users database (/etc/passwd) and I can receive messages well (by using mail command). On MUA ...
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Postfix - Unable to connect to remote host: Connection refused

I am running this command: telnet 87.106.xxx.xxx 25 And it says Trying 87.106.xxx.xxx... telnet: Unable to connect to remote host: Connection refused But telnet localhost is running properly. ...
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Corrupt PostFix Installv [SOLVED]

I accidently removed some files that postfix needs and now it will not install or uninstall have tried: sudo apt-get purge postfix sudo apt-get remove postfix sudo apt-get upgrade sudo apt-get ...
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35 views

Cron job not running - postfix/sendmail error

Here is my content of sudo crontab -e @hourly /home/userName/ntpdate.sh The content of my script (ntpdate.sh) //.25 is my ntp server echo "Current time is $(date), " >> ...
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POP3 Access to a Postfix based email system using Courier

I am trying to use courier-pop so I can access my email from 3rd party email clients such as Gmail that rely on pop3 based methods. I am recieving connection timeout errors trying to connect to my ...
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11 views

What is the difference between postfix and mailsutils?

I am attempting to set up an AWS EC2 with a simple mailing service for my crontab. And I have postfix set up, but when I used the "mail" command it did not work. So I installed mailutils as ubuntu ...
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28 views

postfix warning messages: override earlier entry

I have configured postfix with satellite configuration. I found the following warnings in my syslog. Any idea what it means? and How could I resolve this problem? Jul 16 13:39:24 mou-lanister ...
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Ubuntu Postfix Mail Server [on hold]

There are many tutorials how to setup Ubuntu mail server. By following few tutorials i have successfully set upped a mail server which will do sending and receiving email VIRTUALLY for local network ...
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27 views

Server side filtering - Courier, Postfix, Roundcube

I have a mail server running Postfix, Courier, and Roundcube. I'm looking to add the ability for a user to assign their own custom mail filters from the web. I haven't yet found a way I can do this, ...
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145 views

Fresh install of Postfix can send mail but not receive it. Which setting to tweak to receive mail?

My server is a VPS; I'm the only user on it. Although I'd eventually like to have multiple emails for my multiple domains, today I'd be happy to be able to receive mail on just one. Could someone ...
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How to integrate postfix/dovecote with Windows AD

I have postfix/dovecote Ubuntu server and it's working fine, also I have Active Directory Windows 2008, I want to make email clients to get authenticated from windows AD and automatically create ...
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Postfix suggests a bunch of other packages on install.What are they and should I install them?

Postfix suggests these packages on install: procmail postfix-mysql postfix-pgsql postfix-ldap postfix-pcre sasl2-bin dovecot-common postfix-cdb postfix-doc I know what procmail and dovecot are. ...
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28 views

How to test out the SMTP Server?

I am testing my SMTP Server through wormly.com When I do the test, I end up with > SMTP -> FROM SERVER: 250 2.1.0 Ok RCPT TO: mygmailaddress@gmail.com > SMTP -> FROM SERVER: 554 5.7.1 : ...
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1answer
41 views

Mail Server Postfix + Dovecot

I'm running mail server on Ubuntu 12.04 and box has Web Server + Mail Server (Postfix + Dovecot). This is Virtual Machine setup on Windows Azure cloud. Problem: I'm unable to send emails outside ...
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43 views

Configuring Gmail with Postfix

I am trying to configure Gmail with Postfix so I can sent emails via command line. this is mine /etc/postfix/main.cf alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases ...
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48 views

How to set up a mail server with multiple domains (12.04)

I'm the only user on my server, so the default install of postfix/dovecot has been fine until now. But I now have 4 domains and need an email address for each of them. I would like to be able to ...
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When Using A Dovecot and Postfix Cannot connect using a domain only IP Address?

I have setup a Postfix, Dovecot, and RoundCube Sever On Ubuntu 12.04.4 x64 and It works great. I can use my url mail.myurl.com and it points to my roundcube and i can send and receive email. If I use ...
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redirecting my mail server to another domain

I am not really familiar with Linux,that's why my questions might seem to be very easy for you. Currently I have a mail server on Ubuntu 12.04 (using Postfix) and Roundcube for web access, so our ...
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2answers
37 views

How to only accept e-mail from a single IP address

I am sure this is a simple question but I've been Googling for days now and am not making much progress, forgive me if this has been asked previously. I'm new to Linux and am still getting to grips ...
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2answers
31 views

basic outgoing mail function

I've looked for tutorials and guides about this topic but seems really complicated to make it work. I'm working with php, I would like to send mails in some scenarios such as password recovery and ...
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Kernel Upgrade - Now Postfix STARTTL “502 command not implemented”

Interesting issue. So I rebooted one of my servers to upgrade the kernel. It came back online (after having to reconfigure the network interfaces for some reason) and Postfix is no longer able to ...
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28 views

Forward root mail to external email address

I have a headless Ubuntu 14.04 machine which I'd like to configure to forward root mails to an external email address (gmail in this instance, not sure if that makes a difference). This is so that if ...
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1answer
49 views

Why can't I send emails from the command line to my gmail account

I'm using the command: echo "Test if email can be sent from server" | mail -s "Test" myaccount@gmail.com This is on an Ubuntu Server 12.04 completely up to date. To catch you up on my ...
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Configuring sendmail for several domain names

So here's the problem: I have a webserver that's currently serving quite a number of different domain names as virtual hosts for apache. Lets say the default domain is defaultdomain.com When I use ...
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No login possible with postfix/dovecot and mysql under IMAP

I did the following installation of my own mailserver with dovecot/postfix and MySQL: https://thomas-leister.de/internet/mailserver-ubuntu-server-dovecot-postfix-mysql/ If you see the section of ...
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41 views

Self-signed server certificate for Postfix TLS

I'm trying to create the self-signed server certificate for the Postfix user: thufir@dur:~$ thufir@dur:~$ sudo ./tls.script Error opening Private Key 3073578684:error:02001002:system ...
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47 views

Using Port 587 for Secure Submission

Testing from swaks, mail is delayed indefinitely. I believe that the local mail server is configured correctly, as per the ehlo responses: thufir@dur:~$ thufir@dur:~$ telnet localhost 25 Trying ...
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Mail reaches only after closing connection

I have setup a postfix mail server with saslauthd. I telnet from a windows machine to send a mail. All works fine, I even get the msg 250 Mail queued for delivery. On the mailserver I see connect msgs ...
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223 views

Postfix PostgreSQL Dovecot SASL Authentication Fails Ubuntu 14.04LTS Server

I previously setup my mail server using Ubuntu 12.04LTS and all worked fine (see Postfix Dovecot SASL Authentication not enabled/working ubuntu 12.04 server), but I recently moved everything to new ...
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postfix Self-signed server certificate syntax ( versus snakeoil)

The Postfix quick start guide on TLS gives: Self-signed server certificate The following commands (credits: Viktor Dukhovni) generate and install a private key and 10-year self-signed certificate ...
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postfix smtpd.key creation

The ubuntu documentation on postfix gives: Generate certificates to be used for TLS encryption and/or certificate Authentication: touch smtpd.key chmod 600 smtpd.key openssl genrsa 1024 > ...
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how to receive e-mail on a vanity host (FQDN)

This e-mail shows in my sent messages, but never arrives locally: thufir@dur:~$ thufir@dur:~$ thufir@dur:~$ mail -f /home/thufir/Maildir/ /home/thufir/Maildir/: 0 messages thufir@dur:~$ ...
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68 views

How does postfix send mail without smtp settings?

I am running vagrant. In it, I have Ubuntu 14.04 server and installed postfix. I am able to send email using sendmail someone@gmail.com (after typing in body etc.) This works. How is postfix able to ...
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137 views

Dovecot Postfix not working when using a CA Certificate

I am having a problem switching from using a self signed certificate in Dovecot/Postfix to using one I got from a CA. It is a password protected key and this is my Dovecot ssl config file. ...
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1answer
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Postfix / Dovecot / MySQL- doesn't work!

I have just installed a Mail- Server on Postfix and Dovecot using MySQL to authenticate the user. But if I try to conntect to the Server via Outlook or Thunderbird, the following Error appears in the ...
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cron, mailto on python script error [closed]

I have tried to find solutions through forums but didn't find any answer. I have configure postfix through my isp smtp as relay. It is working as I receive the mail using the following line of ...
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1answer
72 views

Unable to connect to mail server via IMAP and roundcube

I am having trouble getting the final parts of my mail server up and working. I followed this tutorial to get everything set up on the mail server side. I have installed roundcube for webmail and ...
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21 views

Postfix and Ownclound mysql authentication

i'm using ubuntu 12.04 with roundcube/postfix and owncloud installed, and using mysql as login authentication. i would like to know if it's possible to make single login for these apps (without LDAP) ...
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31 views

Postfix 554 5.7.1

I have a Cloud instance of Ubuntu Server 10.04, Kernel ver. 2.6.32-363-ec2 (2.6.32-363.77). I am having quite an issue recieving email from other domains. I have been running test email from Gmail and ...
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1answer
43 views

dual postfix setup for local and gmail

On my Ubuntu 14.04 desktop, I setup local mail using Postfix by following this guide exactly. Is it possible to retain the local messaging functionality while adding an external (gmail) account to ...
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1answer
34 views

Postfix installed, by mail() in PHP not working

I have a new server. Just installed Postfix (apt-get install mailutils), and configured postfix as "Internet site". Works fine when I'm logged in as regular user on the command prompt and use mail ...
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33 views

postfix goes crazy. Deletes and terminates itself

Iam just trying to get a NPL TS3 License. Installed and configured Postfix in its simplest way to receive only a few emails. But after some minutes, sometimes seconds postfix process is no longer ...
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1answer
41 views

Postfix unable to pass messages to amavis ( Can't connect to INET4 socket 127.0.0.1)

I have been trying to get postfix to work with amavis but have been unable. No matter what I have tried I can't get past the following error: [snip] Can't connect to INET4 socket 127.0.0.1 I can ...
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35 views

Postfix Sends But Not receives mail

I have a postfix server that sends but doesn't receive mail, here's the config: # See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian specific: Specifying a file ...
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Postfix Rcpt based Filtering

I want to configure my postfix mail server in such a way that a mail sent to Chairman@example.com should go to admin@example.com only admin can directly send mail to Chairman@example.com Please ...
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Postfix + Dovecot Server Problem

Problem List From the SquirrelMail E-mail is sending but not Receiving in INBOX All E-mails are going in Spam PLEASE HELP ME OUT OF THIS, THANKS IN ADVANCE My Postfix main.cf [QUOTE]# See ...
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28 views

Can I send email on the Internet using postfix on a localhost without real hostname?

I have installed postfix on my local machine that has ubuntu 12.04 installed. When I try to send email on the internet, all mails remain in queue and are reporting "Connection timed out" or "host ...
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28 views

How to send mail using Postfix?

I'm new to Ubuntu and I've been self-learning Linux administration. I installed Postfix with the command sudo apt-get install postfix. Now, I want to send a mail but I don't know how to do it. When I ...
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285 views

Postfix header_checks for redirect not working

I am trying to use Postfix header_checks to [redirect/prepend/reject/anything] incoming email with a spamassassin score of >= 5. I can run postmap -q - regexp:/etc/postfix/header_checks on email ...
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23 views

ubuntu 12.04 - postfix - postmap missing

I'm trying to change the default sender address on Postfix using the method described in how to change default email address for postfix? At some point we are required to run postmap, but the command ...