Postfix is Wietse Venema's mail server that started life at IBM research as an alternative to the widely-used Sendmail program.

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2k views

mailx: nss-config-dir=/etc/pki/nssdb/: No such file or directory

I am trying to send email using mailx using remote SMTP server (in my case it is office365 SMTP Server). Here is the command: # echo "THis is the Body of the email" | mailx -v -s "This is email ...
2
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2answers
30 views

Is it possible to redirect root email to axigen internal e-mail?

For a few month I've been using Axigen webmail as my main e-mail server. For the last month I was looking for a way of redirecting my root e-mail, as well as my crontab outputs into an internal ...
0
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1answer
741 views

Sending emails from AutoMySQLBackup from Linux Mint

I have set AutoMySQLBackup on a Linux Mint machine and I want to have the backups sent to an email, but I cannot make it work. I'm new to Linux environment and don't understand it very much. I ...
4
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2answers
30 views

Change user maildir to custom location upon creation of the user

I use Ubuntu 14.04.3 LTS . How to change the location of the Mailbox /home/user/Maildir/ to /Location/Mail/? I dont have to create home directory for that user. I did some changes in the ...
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1answer
28 views

Postfix using external smtp server problem

I am not sure if this is the right stack exchange for my question, there are multiple stack exchange were my question might fit. I have setup my postfix configuration to send my emails through an ...
2
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2answers
680 views

Test if postfix is running

I'm searching for a reliable way to test if postfix is running from inside a bash script. My first attempt was simply trying pidof postfix, which doesn't work. Then I tried to get the postfix ...
3
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2answers
43 views

Forward Postfix mail based on regexp

We are buildng a ticket system using PHP. We have now bumped into the problem of identifying customer replies. Placing an id in the subject will not do because users could remove this. Posting an id ...
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0answers
16 views

How do I resolve postfix installation issues? [closed]

There is some problem with postfix. When i try to remove it so that i can reinstall: learner@juggernaut:~$ sudo apt-get remove postfix Reading package lists... Done Building dependency tree ...
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2answers
29 views

Postfix: Remove References to Server Software

Every time my postfix servers sent emails at the destination the emails headers include the following: by suppaserver.example.dev (Postfix) with ESMTPSA id 79D412E1A3A How can I remove the ...
3
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1answer
2k views

Mail forward: 550 5.7.1 Anonymous client does not have permissions to send as this sender

I want to install a small mailing list that forwards mails related to a specific project to all project members. So, let's say there are two members in that project userA@mailA.tld and ...
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1answer
25 views

Postfix: Users impersonating other users at same domain

I've a postfix email server running and everything was fine... well until someone decided to impersonate other users. The current situation is: user1@mydomain.dev can send email with a faked from ...
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1answer
5k views

Mail filtering with procmail in a postfix/dovecot system with virtual users

I had a postfix/dovecot system with mail users working. After unsuccessfully following a few tutorials online to enable procmail, now I have an unusable system. What I want is to enable procmail ...
6
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2answers
134 views

Postfix + SpamAssassin: Incoming mail headers changes

I made a Postfix + SpamAssassin setup following the instructions most website recommend for this kind os setup. Basically I edited my master.cf to add: smtp inet n - - - ...
1
vote
1answer
280 views

All mail sent by Postfix is received as spam

I have a dedicated server on Server4You. The machine has Debian 7.8 and Plesk 11.5.30. On the server I have 2 web sites , each with its respective IP address. The problem is that all mail I send is ...
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0answers
32 views

Mark emails on my mail server as read

I have a Virtual Private Server, running a mail server for my domain. I use postfix and dovecot. I'm using IMAP. On my MacBook, I can retrieve my mails using the default app Mail. However, every time ...
2
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1answer
20 views

Postfix database unreachable behaviour

I have a server running postfix and dovecot with a local mysql database to store virtual domains and users. I'm considering to move the database to another server and perhaps switch to using ldap ...
3
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2answers
23 views

Control character handling in cron/mailx

I have a cron job which runs a long script producing lots of output. Some of the output is lines delimited by single carriage returns; when run from the command line, these make the successive lines ...
13
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1answer
12k views

postfix/smtpd: warning: connect to Milter service unix:/var/run/opendkim/opendkim.sock: No such file or directory

I have problem with postfix on debian after upgrading from squeeze to wheezy. Postfix was configured to sign messages using dkim-filter. Before update, everything was working flawlessly, now it fails ...
0
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1answer
2k views

setting up a relay port for postfix smtp on CentOS 7

A CentOS 7 server has postfix, dovecot, and mailx installed. I am able to make an IMAP connection to the server from my remote Thunderbird client running on my local devbox. But I am not able to ...
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0answers
11 views

postfix forward throttling

I have some problem with throttling for my mail system. main.cf initial_destination_concurrency = 1 default_destination_concurrency_limit = 1 default_destination_recipient_limit = 2 ...
5
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2answers
914 views

Restricting who can send to an email address

I'd like to do so that only certain From: addresses can send to an email address (mailing list) on an Ubuntu system running Postfix. Understanding the Postfix the manuals are requires a lot of ...
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0answers
13 views

Scan outgoing Postfix email for spam with Spamassassin

Is there a way to filter outgoing Postfix email for spam possibly with Spamassassin? I found this answer about how to do it with Amavis but it's terribly outdated and not very well explained.
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1answer
45 views

postfix log messages: RBL lookup error: Host or domain name not found

I'm finding quite a few of these types of messages in my postfix log: 17:40:55 smtpd: warning: 34.77.82.185.b.barracudacentral.org: RBL lookup error: Host or domain name not found. Name service error ...
3
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2answers
846 views

Use /etc/aliases for outgoing mail relayed by postfix with local domain

I'm using Ubuntu 12.04 with postfix configured as satellite system that relays outgoing mail to Gmail. For sake of example, my registered domain is example.com I want root cronjobs' error output to be ...
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0answers
25 views

Postfix: Outgoing Email Filter + Deliver sent email to a folder

I'm running a filter for incoming email on Postfix that basically sends the email through SpamAssassin and then delivers it to the user by using dovecot-lda. This is happening by editing Postfix's ...
2
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1answer
24 views

Mutt and Postfix : relay access denied

I try to send mail with Mutt through my own mail server. My mail server run Postfix and Dovecot, I configured it by following this tutorial. So, I can send / receive email on my server with Gnome ...
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2answers
3k views

SMTP issues - unable to connect : CentOS 6.5, Postfix, Dovecot, MySQL

I'm trying to setup an email server on a CentOS system with Postfix, Dovecot and MySQL. I'm following this article for an Ubuntu system: ...
1
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1answer
28 views

Serve mail for multiple domains on a single server?

I am running a Debian Jessie 8.1 server with a functioning postfix, dovecot, and suirrelmail/rainloop. I have multiple domains on the server. The main server domain is set via example.com.vhost ...
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1answer
46 views

Postfix virtual aliases & domains?

(I am a Postfix newbie, was using Exim -which I don't master well- poorly till a recent system update on my VPS; but I am using Linux since 1995 and Debian since end of previous century on my home ...
3
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0answers
30 views

Postfix rewriting subject for specific addresses

I would like to add a tag to all email messages sent to a particular address. I have tried to copy examples from the web, but can't seem to get it working. Here's what I've done so far: Add to ...
1
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1answer
122 views

I can send mail but can't receive it (CentOS with Postfix)

I followed this tutorial and was able to create a mail account that can be configured in an email client. The problem is that I can't receive any messages to my inbox BUT I can send messages ...
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0answers
17 views

Problem in sending email from postfix

I have followed an online guide to install and configure postfix with dovecot in CentOS 6. Now I can login on the POP3 server from Thunderbird but when I want to send email the following error ...
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1answer
193 views

/private/var socket not created with postfix/dovecot sasl

I'm currently running into a problem I have with my email server. I try to setup Postfix and Dovecot with SASL authentication but I get the following error when I connect with telnet (port 25) to the ...
3
votes
1answer
63 views

Adding reply-to header for simple postfix mailing list

I have a postfix with the following in /etc/postfix/main.cf: virtual_alias_domains = hash:/etc/postfix/mydomains virtual_alias_maps = hash:/etc/postfix/virtual These specify the domains set up for ...
2
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0answers
36 views

Hosting Dovecot and Postfix Behind nginx?

So I'm looking at setting up postfix and dovecot on a server that is currently hosting some web-sites via nginx, and I've stumbled upon the mail {} configuration option for nginx, but I'm having a ...
4
votes
3answers
3k views

Run script on receipt of email

I run a Postfix/Dovecot mail server for personal use. There's only a handful of actual mailboxes, essentially just postmaster@domain.com and username@domain.com. I frequently use the virtual file to ...
1
vote
1answer
833 views

Postfix vs Google SMTP servers inconsistency

I wanted to host my own mail server and in order to do so I've installed Postfix 2.7.0 and Dovecot 1.2.9 on Ubuntu Server 10.04. I had fun reading the docs and configuring all these great tools, I am ...
0
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1answer
27 views

All emails are going to spam

So, i purchased a dedicated server just over a month ago and its running CentOS (Plesk). Every email that is sent out to gmail accounts are going to spam, and its not happening to any other email ...
3
votes
1answer
44 views

What is the correct helo for a smtp server that does not receive mail and does not have a FQDN?

What is the legal and correct helo for my SMTP server. Out going email only. Behind a NAT with no inbound ports open. SMTP server does not have a FQDN. Send mail for 2 different domains We are a ...
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0answers
39 views

Authentication failure with postfix and sasl using sasldb

I'm really not sure what my issue is. I've checked several guides, and I am sure I have set this up correctly, including config fails, restarting the service, permissions etc. OS is Ubuntu Server. ...
4
votes
1answer
50 views

Add warning to emails received by Postfix without TLS

Is it possible with Postfix to add a warning to all emails received over a cleartext (non-TLS) connection? For example modifying the subject and/or adding a custom header.
1
vote
1answer
78 views

Postfix mail logs keep showing “NIS domain not set”

I just set up a new email server using Postfix and Dovecot. I've been troubleshooting, and this line keeps appearing in my logs (specifically, mail.info and mail.log). What is a NIS domain, and how do ...
4
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2answers
46 views

How to hold mail for only certain users with postfix?

I would like to hold all outgoing email for certain users (all users except a few) for a set period of time, or until I approve (even if that means changing a config and restarting the service). Users ...
2
votes
1answer
41 views

Can't send local mail message between users on linux

In http://unix.stackexchange.com/a/21336/99621 it says that if you do echo 'body' | mail -s 'subject' myuser It will send a mail message to the myuser linux account on the local system that this ...
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0answers
72 views

Postfix cannot start but dovecot is ok

My postfix service cannot start. Here is message: Job for postfix.service failed. See 'systemctl status postfix.service' and 'journalctl -xn' for details. And here is service status: ...
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2answers
47 views

Fetchmail with local Postfix on Home-Server

a small question... I have a fully configured postfix server which have a few domains, few users, and much more. Then I have a smart host which receives all mails and send all mails. For example ...
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0answers
22 views

Postfix: enable authentication through port 25

I would like to configure postfix so that authorized devices can only send email through port 25. By default this is not so. Postfix currently relays emails through 587 TLS. My plan is to use port 25 ...
0
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0answers
18 views

Hosting email for multiple domains on the same server? [duplicate]

I have a single server with dovecot and postfix installed to handle email. If i create a user on the OS (centos) i can then use this user to log into any email client and send/receive emails. The ...
0
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1answer
66 views

Every email that I receive gets sent to root@example.com (Postfix on CentOS)

I've got a bit of a strange problem going on. It seems that all emails I receive never make it to my actual inbox. They go to the root email. (in my case this is root@dougbeney.com) Here is my ...
2
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1answer
140 views

How can I have multiple email accounts from different domains using Postfix?

I just made it through this helpful article and successfully have my mail server set up with a single domain. What I'm wondering now is how I can be able to add multiple email account for different ...