Open source email server for Unix

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Configure Postfix to work with Gmail and custom domain email (relay)

I'd like to set up custom domain email like john@doe.com and be able to send and receive emails on this account using my Gmail account. In order to do so I've read I need to configure Postfix to ...
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11 views

Postfix would not auto-create the Maildir for incoming mails

I am trying to setup a mail server. I went over tons of tutorials on how to do this with Postfix + dovecot + MySQL, but none was error-proof and I always got stuck at some point with an error. So I ...
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16 views

How do i set up postfix

My computer is in a domain, and I would like to set up emails for $USER@myDomain but I get errors, in my mailbox stating the message is undeliverable. I can send mail out just fine, but I would like ...
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13 views

Installing postfix as non root user

I need to install postfix as a non-root user (no privileges to change user/group/owner). So far I have come across tutorials and documentation that assumes you are root or have the ability to install ...
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1answer
16 views

Failed to stop postfix.service: Unit postfix.service not loaded

When I try to remove postfix I get this error: Removing postfix (3.1.0-3) ... Failed to stop postfix.service: Unit postfix.service not loaded. invoke-rc.d: initscript postfix, action "stop" failed. ...
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7 views

Setup postfix, help needed

My main goal is to have email sent to me via ZoneMinder. I have a FQDN set, I have looked at many different setup instructions including this, and this, as well as other tutorials that I can't list ...
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19 views

PostFix: enable mail account on Ubuntu 14.04

I got a mail@example.com address registered in many platforms and need to receive mail to this. I moved all my addresses in my PostFix server on Ubuntu 14.04 running at AWS instance and I can't use ...
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15 views

How to install and use postfix?

How do I install postfix with encrypted connection, smtp and so you don't need to create a user account for each user? If you have any questions, please don't hesitate to ask in the comments.
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1answer
52 views

4.7.1 Service Unavailable - try again later

I'm not sure this is the best place for this question, but I have googled around and can't seem to find a resolution to my issue. Please feel free to redirect me somewhere else if necessary. :) So, I ...
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2answers
36 views

mail not sending or receiving ?

I configured a mail server on ubuntu 14.04 using postfix and dovecot. When I'm trying to send mail or receive mail then it's not working and GENERATING no error. mail log Jun 11 07:40:18 mail ...
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1answer
51 views

creating postfix email user without shell access

I have currently setup Postfix mail server for my company, but there is a bit of problem, the users I have defined for mail server MUST have shell access to server otherwise Postfix won't recognise it ...
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1answer
47 views

Postfix and relay with Gmail: i can't send emails

I'm trying to send emails from my machine using gmail as sender. I've followed this tutorial: https://easyengine.io/tutorials/linux/ubuntu-postfix-gmail-smtp/ and when I try to send an email from ...
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24 views

Opendkim key not found

I've been trying to setup DKIM on my VPS with the help of this article, but when I test the installation, I get a opendkim-testkey: No key Below the config files: /etc/opendkim.conf # This is a ...
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0answers
26 views

Configuring SMTP with authentication

I have recently installed a fresh install of Ubuntu Server and set up Postfix for handling email. Everything is configured correctly, however, I would like to allow for authenticated SMTP so that my ...
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12 views

postfix - Write all messages in queue to file

Would it possible to write all queued messages with their content to a file in one go? I'm looking for a message before it gets sent. I know there is the command postcat -q, but I want to view all ...
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11 views

Is there a way to pipe the mail output to a file?

Say for example that I used the command sendmail foo@bar.com < email.txt Is there any way to configure postfix to send the contents of email.txt to a file, instead of to foo@bar.com? The ...
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16 views

Postfix config to add domain to mail directory

I am running a mail server with the MySQL, Postfix, Courier, SASL ( also with AMAVIS, Spamassasin, ClamAV, postfix admin & PHPmyadmin - bit I don't think these are relevant to my query) Postfix ...
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30 views

postfix - delivery temporarily suspended

I get this error in my mail.log. May 30 06:49:34 raspberrypi postfix/error[5862]: 37644477EF: to=<ima.habekotte@gmail.com>, relay=none, delay=56676, delays=56643/33/0/0.36, dsn=4.4.1, status=...
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24 views

Send mail with php and postfix - can send mail with php -a from terminal but not from web page

I have designed a simple contact form that sends an email to a gmail account. Currently if I run from a terminal (non-root user): ...$ php -a php > "me@gmail.com","test postfix php","this is a ...
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33 views

Port is blocked

I am working in Ubuntu 14.04 where I have WordPress site running and a Postfix service partly working as SMTP. I would like to enable my Wordpress site to register and send e-mails to users with "...
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17 views

Postfix irregularly sends out mail

I tried setting up a mail server on my VPS using the Postfix package and the following tutorial (https://www.digitalocean.com/community/tutorials/how-to-install-and-setup-postfix-on-ubuntu-14-04). It ...
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9 views

Can either Postfix or Cron Daemon mix up simultneous cron jobs' stderr reports?

I have a use case on a Trusty Desktop LTS box, where two (non-root) cron jobs trigger simultaneously: # cron entry #1 # `rsync' Mozilla FF's profile from RAM-DISK to SSD every 4 hrs. # (FF's profile ...
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1answer
16 views

Receiving Email Problem from outside in Elastix

I've already installed elastix 3 stable version (postfix, cyrus sasl2). I'm using as email server in my local network. here everything works as the bellow: Send Email from Local To Local = ...
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51 views

Setting up a mail server on Ubuntu that forwards and sends mail to Gmail

I am currently running a Ubuntu server on DigitalOcean. Currently, I have set up Postfix so all emails to my domain automatically gets forwarded to my Gmail account. I also want to send out emails ...
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14 views

postfix 2.11, cannot receive emails from specific domain

helo, I am over 3 days now working on a solution. Our server is getting emails normally from around the world, except from one domain(our ISP free emails server domain). It would not be a problem but ...
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2answers
186 views

Ubuntu 16.04 auth_pam broken

I'm trying to set up a mail server on a fresh Ubuntu 16.04 machine but I can't get it to work properly. I'm using a Postfix/Courier setup with MySQL for authentication. Receiving emails and reading ...
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1answer
145 views

Ubuntu 16.04 server ports are closing on their own

I am running squirrelmail, apache2, and postfix on Ubuntu 16.04 server edition. The server works fine, but if I don't use it for about an hour port 80 and 25 become closed for anyone trying to connect ...
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2answers
69 views

can't send emails to gmail accounts from postfix

Hi I have a VPS running Ubuntu 14.04 configured as email box using this guide http://www.krizna.com/ubuntu/setup-mail-server-ubuntu-14-04/ and then install and configure spamassasin with this ...
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1answer
69 views

I've made an email server using postfix and dovecot and I cannot send emails to Gmail! It works perfectly with Yahoo

I've made an email server on Ubuntu 12.04 using postfix, dovecot and roundcube as an web interface. Sending and receiving mails from Yahoo works fine (well, to be honest with a delay of 5 minutes, I ...
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30 views

Can not use POSTFIX to send mail out

So basicly what im trying to do is send out an email from my friend computer out to my gmail. I have been guiding him on how to setup Postfix (Guide: http://oskarhane.com/setup-your-own-mail-hosting-...
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1answer
40 views

how to setup send-only email server on ubuntu

I have a project coming soon and I need to send an email to around 300K people who might have the interest in the project. However I need to send them an email in the same day (the opening day) and as ...
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1answer
138 views

Problem with PAM authorization in Dovecot

I've been using postfix with sasl and dovecot for many years. Three days ago, authorization for dovecot via PAM stopped working which means no IMAP or POP3. SASL was working as I could tunnel in with ...
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1answer
21 views

Postfix keeping email in queue for indefinite time. Sending from sendmail its working. Any idea?

I have set up postfix on my ubuntu. I have configured it properly so when ever I send email through Command Line or from "Read User Mail" section of Webmin its working. But when I try sending php code ...
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149 views

Postfix: No route to host

I'm having a problem while using postfix and trying to send a mail to a Gmail account. mailq output: -Queue ID- --Size-- ----Arrival Time---- -Sender/Recipient------- 670A21A0F59 374 Wed Apr 20 ...
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1answer
63 views

Block port on one network address

I'd like to block a series of ports (mailserver) for all the network addresses on my server except one. I've got a server running Ubuntu 14.04.4 and configured with 2 ipv4 addresses per Linode's ...
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43 views

Ubuntu 14 - mysterious entries in Auth log

I have an Ubuntu 14 email server using postfix, mysql, amavisd, courier, spamassassin, clamAV and SASL. All seems to be working Ok, but I have noticed dome dodgy looking entries in my Auth.log. Here ...
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56 views

Postfix - add footer to email with altermime

my goal is to add footer (disclaimer) for every email which pass Postfix as SMTP server (running Zentyal 4.2 on Ubuntu as mail server). I was using this tutorial (and many more, but all the same in ...
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1answer
31 views

Collect responses from HTML form [closed]

I'm using Ubuntu 14.04 I want to host a website on the computer that I have. I installed LAMP, which seems to be working (I can access the website through my outside IP) The website includes an HTML ...
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23 views

Sending an email with PHP

I'm having a lot of trouble setting up a mail service on Ubuntu 14.04 I've tried sendmail, but despite following literally 15 different guides on how to set it up, it doesn't work (from the command ...
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1answer
107 views

Not able to send/receive emails outside my Domain from recently configured email-server

Email-server setup is not working on Ubuntu 16,postfix,dovecot. below are the config/facts Registered a domain say atul.com ISP is comcast who blocks port 25 Created A record @ -- 1.2.3.4 No CNAME ...
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2answers
475 views

Postfix Mail Server. Someone is sending Mails from my server

I am receiving Mails from my own mail server, from a user that belongs to my domain, but is not listed in my mail user db. Here are the logs: 4679 Mar 28 15:54:13 Bumblebee postfix/smtpd[29350]: ...
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1answer
64 views

Postfix sends from localhost using mail but does not relay mails from local clients

For a couple of days I am trying to configure Postfix/Dovecot, I did my best to follow the guides, I can receive mail but cannot send mail from other mail clients than localhost. Here is a syslog ...
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9 views

smtp authentication

I am running postfix and dovecot. The smtp server does not allow me to send out email, gives me the relaying ddenied error. I know i need to enable smtp authentication/sasl. What would be the easiest/...
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28 views

Postfix logs to remote server

On my Ubuntu 14.04 server, I'm using Postfix as a front-end mailserver, and I would like to send all mail related info, including email addresses, to a remote host. In the file /etc/rsyslog.d/50-...
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62 views

Dovecot/Postfix, how to block anonymous login? (SMTP)

I'm using ispconfig, dovecot, postfix for my mailserver. Is there any way to block someone sending mails without any auth? This is how it looks when I SMTP from my client to my mailserver like this: ...
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479 views

Getting spam emails from myself (www-data & user)?

recently I've been getting spam mails from my own server from my MAINUSER and www-data. I replaced: my name = "MAINUSER" mail server = "MAILSERVERDOMAIN" The headers are: Return-Path: <MAINUSER@...
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34 views

Can't get Postfix to send emails

I am new to being a system administrator and this is my first VPS I am setting up. I'm not new, so I do manage to have everything except emails working. I have installed postfix and mail-utils and ...
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31 views

Postfix is sending emails signed and coded and everything is fine but not when the server sends using php mail function

First of all I must say I have searched a lot for the answer and I am stuck with this problem since 3 days. Postfix is sending emails signed and everything is fine but not when the server sends ...
0
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1answer
66 views

Virtual user mail server setup

I have tried multiple times to setup a mail server that uses a mysql backend on ubuntu 14.04 LTS, I have used this guide: https://www.digitalocean.com/community/tutorials/how-to-configure-a-mail-...