Open source email server for Unix

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1answer
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Basic Postfix Setup Error

I am beginning with Linux and have found a basic installation guide for installing postfix in Ubuntu I have installed Ubuntu 14.04 LTS ran sudo apt-get -update and sudo apt-get -upgrade I get ...
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18 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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15 views

Place of incoming and outgoing mails Postfix, Dovecot and MYSQL? [closed]

I use ubuntu server. Does someone know, where is the place of emails in Postfix mail server (with Dovecot and MySQL)? For example: in folders such as /home/../user/maildir/... or in MySql DB?
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2answers
37 views

Cronjob bashscript help

I've looked through a bunch of cronjob troubleshooting guides, but I can't seem to find what I'm doing wrong. This script runs just fine if I run it manually. Running it from crontab just isn't ...
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1answer
53 views

postfix - can't send external mail - relay access denied

I've been trying to set up a mail server with postfix. Sending/receiving local mail and receiving external mail works. However, sending external mail does not work. When I start sending a message ...
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1answer
24 views

Error connecting to IMAP server: mail.mydomain.com. 111 : Connection refused

I get Error connecting to IMAP server: mail.mydomain.com. 111 : Connection refused when logging to my mail server through Squirrelmail I made mail server setup using this tutorial ...
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1answer
238 views

Postfix, Dovecot mail server can send mails but not recive

I'm new to linux servers and just got myself a VPS from Ovh. Also got a domain though ovh. I have tried to use this Tutorial to set it up. And I guess that somewhere I must have messed up. Have ...
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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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13 views

Relay access denied issues

Good morning guys, I am pretty much new on Ubuntu/Postfix and I having issues configuring properly postfix. Here is what I have but I am still unable to get it work. Thanks. # See ...
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1answer
48 views

Correct MX record, subdomain and Dynamic DNS settings for Namecheap Self hosted email @domain.com email & correct Hosts and Hostname for server

I want to correctly Set up my own email server at home for my domain.com. It is hosted by namecheap. I need to set up the following On Namecheap (Domain provider): MX Record Subdomain On Server: ...
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1answer
7k views

Postfix Using Gmail Relay: Must issue a STARTTLS command first

I get this error: Must issue a STARTTLS command first with all sent mail. Can anyone see why? main.cf: relayhost=[smtp.gmail.com]:587 smtp_connection_cache_destinations= [smtp.gmail.com]:587 #TLS ...
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1answer
28 views

Deleted the postfix folder, now what?

Postfix wasn't working right. So I uninstalled it using apt-get remove and apt-get remove --purge .. but whenever I'd reinstall it, it would never show the configuration screen. So I deleted the ...
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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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3answers
26k 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 ...
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votes
1answer
39 views

Postifx receives mail but won't send mail out

I literally have no idea what's going on. I can receive mail perfectly fine to my email but when i go to reply it will not send I just get a Mail Delivery System email saying it couldn't deliver. ...
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1answer
34 views

Mail Server saslauthd pam_authenticate failed

Every month/3 weeks, my Mail server fails to send any new mails, and each time i find the below error log, Jun 22 23:10:18 myserver saslauthd[3967]: DEBUG: auth_pam: pam_authenticate failed: Memory ...
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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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2answers
31 views

Extracting strings from mail log

I'm trying to extract all lines of text from mail log file that contain specific string (mail address). I know using grep will allow me to search for the address mail.addres@example.org, but how do I ...
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1answer
3k views

Postfix header_checks for redirect not working

I am trying to use Postfix header_checks to [redirect/prepend/reject/anything] incoming email with a spamassassin score of >= 5. I can run postmap -q - regexp:/etc/postfix/header_checks on email ...
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2answers
2k views

postfix warning messages: override earlier entry

I have configured postfix with satellite configuration. I found the following warnings in my syslog. Any idea what it means? and How could I resolve this problem? Jul 16 13:39:24 mou-lanister ...
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0answers
12 views

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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2answers
3k views

Linux mail command not working like it used to

I was using the following mail command in my crontab to which worked flawlessly until we re installed our mail server last Friday: echo "Testing 123" | mail -s "ECS PostDate Processed" ...
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1answer
102 views

Why does this fail to make my postfix configuration step non-interactive?

I have a bash script to automate configuration of new Ubuntu systems. It works, except that postfix's process installation persists in bringing up a menu-based interface. I followed the answer given ...
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0answers
29 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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1answer
21 views

Setting up an automated email forwarding system for a large set of email accounts

Let's say I want people to send emails to my server and I want to forward them all to different email addresses. For example, I have a following mapping: john@myserver.net => ...
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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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0answers
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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0answers
34 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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0answers
49 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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0answers
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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51 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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1answer
40 views

If I send an email to my own server, does it pass through ISP?

This may be a super newbie question, I have an email server running Postfix/Dovecat with SMTP for send and IMAP for receiving. I have two accounts--a@myserver.com and b@myserver.com. I want to send ...
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1answer
178 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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27 views

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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2answers
5k views

Why do I get an error when I try to postmap sasl password file with postfix?

I installed postfix freshly as satellite system. I need to authenticate on my mail providers smpt. There postfix needs to build a sasl database from my sasl-passwd file. But it fails to do just that. ...
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1answer
258 views

Postfix: Require login before sending email

How can I configure my postfix to require the user to log in before sending email ? At the moment I can send emails without any login authentication...
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0answers
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 ...
0
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1answer
70 views

Setting up mail server on Ubuntu Desktop 14.04

I need help on setting up a mail server on Ubuntu Desktop 14.04 with a web interface for sandbox testing, tried using postfix and exim4 and it does not seems to work. My main concern is to setup a ...
0
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1answer
128 views

Can't send mail

I can't seem to figure out how to get my server to send out an email. I've installed postfix for a send-only server, and every time I run mail -s "hello world" myemailaddress@outlook.com, I get at ...
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0answers
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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votes
1answer
973 views

Unable to connect to mail server via IMAP and roundcube

I am having trouble getting the final parts of my mail server up and working. I followed this tutorial to get everything set up on the mail server side. I have installed roundcube for webmail and ...
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votes
4answers
10k views

Postfix start error Port 25: Address already in use

I'm attempting to get postfix running on my server but keep getting the following error in my /var/log/mail.log: postfix/master[5041]: fatal: bind 0.0.0.0 port 25: Address already in use I did ...
0
votes
1answer
87 views

How to configure postfix to not relay to local virtual domain?

I have set up a SMTP server with iRedMail on Ubuntu 14.04 LTS and everything is working smoothly. I can create new users and send e-mails. My situation however is a bit more complicated: I need this ...
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votes
2answers
9k views

When sending email with Postfix, how can I hide the sender’s IP and username in the Received header?

When sending mail, Postfix inserts the authenticated user’s IP and username into the Received header on the email. While this is useful for tracking down who sent a particular email that was sent from ...
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3answers
5k views

Perfect forward secrecy in Ubuntu 14.04 default installation

Does Ubuntu 14.04 support and enable perfect forward secrecy ciphers in the default TLS configuration of servers such as nginx, dovecot and postfix? Previous versions of Ubuntu such as 12.04 did not ...
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0answers
42 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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3answers
4k views

Local only sendmail that delivers all mail to a directory

I have a development Ubuntu Server (12.04.1) VM that I use to develop php sites and e-commerce sites (like Magento etc). Because this is for development purposes, and I need to test with e-mail ...
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0answers
29 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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0answers
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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1answer
45 views

Iptables and Postfix

Examine configuration of Postfix and iptables, what will be response of mail server and why? First: main.cf mynetwork=127.0.0.1/8 smtpd_sender_restrictions=permit_inet_interfaces iptables ...