Open source email server for Unix

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60 views

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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2k 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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36 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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43 views

Adding my domain's email in gmail for “Send mail as” gmail feature

I have email set up on my Ubuntu server and when I do dig mydomain.com mx the output is: ;; ANSWER SECTION: mydomain.com. 86400 IN MX 10 mail.mydomain.com. Now when I'm using gmail, I ...
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30 views

Configuration error when using postfix with postgrey

I have installed postgrey and added the following to main.cf: smtpd_recipient_restrictions = permit_mynetworks permit_sasl_authenticated reject_unauth_destination check_policy_service ...
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124 views

configure postfix so emails will send

I am trying to use postfix simply to allow my blog to send emails, I don't need anything fancy like webmail. All I want it to do is send me messages to my gmail or google apps accounts. I've tried ...
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19 views

Platforms to Email connection

I have a domain name with GoDaddy and self-managed VPS (Ubuntu 14.10) with different company. I'm still new when it comes to using anything but cPanel. If only I knew about the pure awesomeness of ...
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27 views

Can't change default port of a service (apache2 & postfix)

When trying to set up a server I stumbled upon a terrible problem: I can't seem to change a service's default port. I have tried to change Apache2's & postfix's default port and all I get (with ...
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89 views

Postfix configuration with antispam

I have postfix with anti spam and when anti spam returns status 554 (spam mail) to postfix the mail is bounced to the sender. Is there a way to decide another action for postfix for 554 like reject. ...
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3k 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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50 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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213 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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154 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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364 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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62 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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134 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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232 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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1k 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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312 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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373 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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3k 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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88 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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227 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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2k 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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630 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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How to set up ubuntu server as a mail list server using purchased godaddy domain name

I am running Ubuntu Server 14.x I am currently configuring this server as a mail server and a mail list server. I am configuring this from home initially (time warner cable). It will eventually be ...
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10 views

What is typically evolve in setting up an Ubuntu server to be able to send information from a form through an email

I recently moved from a shared hosting to a self managed server, in the share server I had a contact form that was working find but when I tried to use this form in my new self-managed server it ...
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19 views

mail server setup on Ubnutu using postfix, dovecot and mysql

me and my friend have setup mail server on our ubuntu server using postfix,dovecot and mysql we did all things as the tutorial said but we are still getting and error when I open rouncude and try to ...
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31 views

Should Mailserver /etc/Hosts be static ip or loopback?

Im trying to set up a mail server, and currently I am having issues with hostname and hosts files. I want to get this correct before installing postfix and trouble-shooting issues that may be ...
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25 views

With multiple domains on virtual hosts, how to configure postfix for each domain

single Ubuntu (14.04) Server with Apache and PHP. Hi. I have multiple domain names (static DNS), each one hosted on a different virtual host. I want to set up postfix so as to receive and send email ...
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Can Postfix check for a user on a downstream smtp?

the simplest solution for backup mx is a second postfix which relays every email to the main-server. The main problem is backscatter, when the server comes back online. Most of the time both systems ...
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31 views

Setting up forward-only email server

I am setting up an email server whose only purpose will be to forward incoming emails to corresponding mapped email addresses. Here are the requirements: I don't store any email on my server. It ...
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29 views

Postfix no outer mails recived because of “unknown user 550” (sending & local reciving possible)

I have the following problem: I can't recive emails on my email account on my server. Postfix sends back: error: unknown user (550) - mymail@domain.tld But it is possible to send mail with other ...
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50 views

postfix smtp relay to google works but can i use gmail.com in /etc/mailname?

I have successfully set up postfix to use gmail as a relay and now i can run sendmail to send messages through google (which is almost all the email i need from Ubuntu 14.04. However my problem is - ...
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55 views

Mail Server Postfix + Dovecot - Emails are going to “Spam”

I'm Configured a local mail server for our organization.Every Thing Working fine,but all sent mails are going to spam to receiver.Listening Ports IMAP-993 & SMTP-587.SPF and DKIM records are also ...
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54 views

How to fix Qualcom Atheros AR9285 problem under Ubuntu 14.04 LTS on Olivetti notebook

already i have an olivetti notebook, the wifi disactivated and I cannot activate them, how can I activate this, i saw some options but doesn works for this computer. Thanks
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postfix/postfix-script[20163]: stopping the Postfix mail system"

I have configure the Trend Micro IMSVA 9.0 and getting mail bounce error postfix/postfix-script[20163]: stopping the Postfix mail system" postfix/smtp[19143]: certificate verification failed ...
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18 views

How to configure Postfix routing to two different Gmail accounts?

We have Postfix set up so that any mail goes out through one Gmail account. I would like it so that when email gets sent from a particular user a 2nd Gmail account is used. Is there a non ...
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12 views

Postfix Mail issue

Just installed a Postfix & Dovecot mail server. I am able to receive mail fine, but when I attempt to mail someone say @gmail.com I get a error 4.7.1 Relay access is denied. Any Help with this? ...
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24 views

auth failed (Postfix, Dovecot and MySql)

I set up a mail server with Postfix, Dovecot and MySql and I tried to connect with Thunderbird with an email address that i created in the database and i received this message : Jun 08 09:41:51 ...
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31 views

Help Needed With After-Que Content Filter Reading Incoming Message, Content Filter Made With Java Program

I am trying to make a postfix after-que content filter with a java program. I am having trouble reading the message as it comes into postfix with the java program I wrote. My java program listens on ...
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42 views

Stop all websites from sending emails

I have Ubuntu Server set up on a machine. I have Virtualmin installed to manage my websites. The idea is that 2-3 of them use open source platforms like Wordpress and I didn't had time to update ...
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45 views

Postfix Restrictions for local domain users

I want to restrict access to Postfix server for local domain users. Only listed names of users can have access to Postfix. So I placed in main.cf file line: smtpd_sender_restrictions = ...
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38 views

Specific user account allow send email to internet email

We are using local email Ubuntu 14.4 server now we required specific user send email local to internet external email account and other user email send local only.all user receive email internally and ...
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Dovecot will not authenticate system users after upgrading from 12.04 LTS to 14.04 LTS

I now have 14.04.2 LTS server installed and cannot get Dovecot to authenticate local system users. Postfix receives and delivers mail just fine, even for system user accounts. Before I pack this ...
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How to fix msmtp error when setting up postfix

I followed these instructions for setting up postfix on 14.04 to send email through a Gmail account. All the steps ran without error, but when I go to send a test email to myself, I get the error: ...
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48 views

postfix installed on Ubuntu 14.04 but

rkhunter sent me a few warnings about user postfix being added to passwd file and a postfix and a postdrop group having been created. I understand from searching around with google that this is ...
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111 views

ubuntu 14.04 postfix dovecot - noqueue: reject: rcpt from relay access denied

I have used a online guide (cant remember url) for ubuntu 14.04, postfix and dovecot. Im using vimbadmin to manage the database etc. My problem is that I have two domains on the server but only one of ...
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206 views

Cannot reconfigure, remove or install Postfix

OS: Ubuntu 14.04.02 I had postfix installed and it was running fine, but someone doing maintenance on the server tried to remove postfix (I believe). I can no longer use sendmail from one of my PHP ...