Open source email server for Unix

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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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21 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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6 views

Use “mail” and send the mail by a TOR network

I want to send a mail using tor network. I am using postfix for smtp. I am able to successfully send mails to users using postfix and i intend to experiment this.
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53 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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28 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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24 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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17 views

How to configure own mail server and dns settings into godaddy Hosting

Installed postfix,dovecot and squirrelmail into ubuntu 14.04 server.In local system mail sending and receiving is working from one user to another user.Mail is not receiving from gmail,yahoo,etc. Mail ...
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7 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: ...
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10 views

can not send and receive mail outside my local domain using postfix and dovecot [closed]

i can't connect to thunderbird with newly created user account. I am able to send and receive mail using squirrelmail but i cant send / receive mail from outside domain or to outside domain. i ...
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1answer
16 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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66 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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16 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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28 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
24 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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33 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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22 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
28 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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24 views

Pipe all incoming emails to script and then delete it

I am looking for a method to pipe all incoming emails to a script. When I say all incoming emails, I mean from any domain since my server will be listening to multiple domain names. I have not yet ...
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22 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
43 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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62 views

Postfix error /etc/postfix/main.cf missing '=' after attribute name

i'm trying to make a Mail server so I chose Ubuntu 14.04 and postfix/dovecot. When i configure the etc/postifx/main.cf and the restart the postfix i have this problem : postmulti: fatal : ...
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2answers
440 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
32 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 ...
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15 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 ...
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45 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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460 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: ...
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30 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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24 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 ...
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35 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: ...
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1answer
33 views

sending email test with postfix

I have installed postfix and I want to test the service to send mail. But the command line mail seems not to be recognized. I read that I should have installed mailutils and that I don't have all the ...
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18 views

Problem with Postfix on Ubuntu 14

I have set up a simple postfix on Ubuntu 14. It works fine when sending mail using mail from the command line. However when I send from python on the same server, I get: match_hostname: ...
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1answer
35 views

Setup Postfix using an external SMTP Server

I am trying to set up postfix on Ubuntu 14.04 to use an external SMTP Server. I installed the libsasl2-modules to deal with authentication. I created my credentials file: sudo vim ...
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29 views

crontab MAILTO does not use encryption

I have a Postfix + Dovecot server running normally. Would I like to crontab send error logs to my personal email. I created a root@mydomain.com email to the crontab, emails are sent normally, but do ...
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29 views

quota report for maildir size

when I run script quota_notify for notifying maildir size for each user in postfix the report contain old users new users don't appear. I found file called maildirsize in old users directories but new ...
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1answer
52 views

Need to migrate Microsoft office outlook .pst file in to Ubuntu 14.04 ver.

i am migrating my system Microsoft in to Ubuntu 14.04 ver. so i have my existing .pst file how can i configure in Ubuntu ? i have configure in Evolution mail client which is successfully ...
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18 views

postconf -d not updating after service postfix reload

I am trying to update postfix main.cf using the commands, postconf -ev disable_vrfy_command=yes service postfix reload but when I check postconf -d I still get disable_vrfy_command=no. I also ...
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1answer
49 views

Postfix from=<> Have I been hacked by a spammer?

mailq is showing a bunch of connection timeouts in deferred queue to addresses that look weird. D1115234D9 3037 Thu Feb 25 11:01:38 MAILER-DAEMON (connect to ...
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14 views

VPS with multiple hosts postfix configuration

a VPS running Ubuntu 14.04 has postfix installed for outgoing e-mail. File /etc/postfix/main.cf has the myhostname value set to one specific MX record. This VPS is intended to host multiple Rails ...
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62 views

Postfix not rejecting mails without DKIM signature

I have configured DKIM using Postfix and OpenDKIM for my email domain. (I followed this tutorial.) Sending works I fine, but I noticed that Postfix is not rejecting incoming spam mails that use my ...
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50 views

250-STARTTLS missing from telnet test for SASL & Postfix

i was trying to set up a mailserver on my webserver. i followed this tutorial on help.ubuntu.com to accomplish this. But when it says to check via telnet localhost 25 and ehlo localhost, i dont get ...
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26 views

Cannot Get Postfix to Start on Ubuntu Server

I've installed Postfix on Ubuntu 15.10, with the expectation of using it to send mail for websites hosted on the machine. However, it seems like the program isn't starting, and when i run command ...
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1answer
20 views

SpamAssassing handles only one domain

After installing Postfix, Dovecot, SpamAssassing, Sieve and Amavis on my server (web01.mydomain.com) everything seems to be fine - spam mails addressed to e.g. stefan@mydomain.com or info@mydomain.com ...
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1answer
42 views

having trouble with getaddrinfo()

I have a 14.04 LTS server installation. It is relatively new. It is up to date on its patches. I'm running postfix on it and I noticed that the SMTP server was having trouble resolving ...
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2answers
41 views

Setup Postfix/dovecot/maysql - receiving mail in Maildir but not in client inbox

I'm not an expert in mail server configuration I successfully setup the server to send mail but i cant find the solution for receiving my emails in the client inbox but i can in my Maildir. response ...
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16 views

sudo dpkg-reconfigure mail-stack-delivery does nothing

How do I run the config for the mail-stack-delivery package? thufir@mordor:~$ thufir@mordor:~$ sudo apt-get purge mail-stack-delivery Reading package lists... Done Building dependency tree ...
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16 views

Postfix & Courier any particular reason?

I have been getting the run around with my postfix courier setup (smtp secure auth side) and i was wondering something. Is there any particular reason for even installing postfix in the first place? ...
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31 views

Configuring email for a development machine

Almost every article I have found on this subject, including those on 'ask ubunutu', go along the lines of "follow this (deadlink to an article) BUT modify this that and the other". Regardless to say, ...
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72 views

Ubuntu 14 with postfix dovecot and sasl config files needed

I've set-up an Ubuntu 14.04 server and want to configure postfix+dovecot+sasl to serve three users. I don't particularly care about TLS, although its a nice to have. I've found 6-7 tutorials, and have ...
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60 views

Fatal: Invalid user settings. Refer to server log for more information

Which server log should I refer to? Just trying to send local mail: thufir@mordor:~$ thufir@mordor:~$ tail /var/log/mail.err Feb 18 00:15:02 mordor dovecot: lda(root): Error: chdir(/root/) failed: ...