Open source email server for Unix

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Postfix smtp email limit exceed automatically

I have recently setup postfix to configure sendgrid on GCE server with Ubuntu. I have observed the my email limits are automatically decreasing I have maximum sent 5 to 6 mails and in 2 days got ...
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22 views

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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12 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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0answers
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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15 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
17 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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17 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
55 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 ...
4
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2answers
6k views

Using DKIM in my server for multiple domains (websites)

I've read the tutorial posted by MountainX (Setup DKIM (DomainKeys) for Ubuntu, Postfix and Mailman), but I can't figure out how to apply these steps if I want to host and send e-mails for several ...
0
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2answers
37 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
52 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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3answers
2k views

Missing X-Spam-Status header

I recently upgraded to Ubuntu 14.04.1 LTS (trusty) and have followed the directions in https://help.ubuntu.com/14.04/serverguide/mail-filtering.html and am sending and receiving mail just fine. While ...
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1answer
53 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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0answers
25 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 ...
3
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1answer
4k views

Postfix relay access denied, NOQUEUE: reject

In trying to set up Postfix to use dovecot for SASL (using mysql for virtual_*) I am unable to send email, either through telnet or Outlook, to a domain other than the one that is on the server. I am ...
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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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0answers
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 ...
1
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1answer
4k 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. Basically,...
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31 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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1answer
150 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
4k views

How do I configure postfix starttls

I need to install postfix on my webserver couse I need to use sendmail for my website. I only need to send mail not recieve or relay. send with starttls (port 587) via relay smtp.strato.de here is ...
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25 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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1answer
9k views

Postgrey - how to add sending server to whitelist to disable greylisting

I'm using postgrey on all my MX servers (main and 2 backups). I need to disable greylisting on a main server when receiving mails from backup server. How to do that? When I add IP/FQDN to /etc/...
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1answer
69 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-...
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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 "...
1
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2answers
196 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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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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1answer
3k views

Dovecot doesn't start

I've installed Postfix and it works correctly. I've installed Dovecot and set its configurations too. But when I try service dovecot start it terminates on startup. In syslog I have: Nov 19 10:54:02 ...
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3answers
26k views

How can I configure Postfix to send all email through my Gmail account?

I'm trying to send an email through Google from my localhost. (via PHP5.3) But Google keeps on blocking my requests. I tried to follow the solutions given to a few similar questions, but for some ...
1
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1answer
143 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 ...
1
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1answer
1k views

How to disable Postfix SPF from rejecting mail?

I am having an issue with Postfix and SPF that I can't seem to figure out. I have installed SPF for Postfix using the guide on this link (postfix-policyd-spf-perl). However, I don't want Postfix or ...
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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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10 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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0answers
55 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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0answers
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 ...
0
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2answers
78 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 ...
0
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1answer
75 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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3answers
21k views

Problem using Postfix with Sendmail

I've sendmail installed using "apt-get install sendmail" and also postfix installed using Webmin. But Postfix cannot start, and when I checked the /var/log/mail.err *Jul 11 14:09:03 victoria postfix/...
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0answers
33 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-...
0
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1answer
42 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
22 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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1answer
214 views

Mail Server Memory buffer error

From time to time, my Mail server stops sending any new mails, and i each time i find the blow error log, Jun 22 23:10:18 myserver saslauthd[3967]: DEBUG: auth_pam: pam_authenticate failed: Memory ...
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164 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
67 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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0answers
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 ...
18
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3answers
31k views

Setup DKIM (DomainKeys) for Ubuntu, Postfix and Mailman

I'm running Ubuntu 12.04 with Postfix and Mailman. I want to set up DKIM. DomainKeys Identified Mail, or DKIM, is the successor to Yahoo's "DomainKeys". It incorporates Cisco's Identified Mail. What ...