Free and open source mail transfer agent (MTA) that routes and delivers email. When asking about postfix problem, please include the relevant maillog lines and output of the following command: "postconf -n" (content of main.cf) and/or "postconf -M" (content of master.cf)

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-2
votes
1answer
23 views

Configure postfix to run filter only with selected mail else all other mail pass without being filtered

I am running postfix and I'm using ubuntu 14.04. I created php script and i injected it into postfix to filter incoming mail. All run as I wish. But Now I want my postfix to run filter only with ...
2
votes
1answer
59 views

Spamassassin RDNS_NONE matches, but there is a RDNS

I got a a little problem - spam assassin's RDNS_NONE-rule matches on my outgoing mails but there is a RDNS set for all hosts, that are in the delivery-chain. If I send an Email to ...
-1
votes
2answers
53 views

Dovecot/Postfix can't receive emails

All configurations suggest that everything works ok but i can't receive emails... no errors just status=sent (delivered to mailbox) My main.cf is # See /usr/share/postfix/main.cf.dist for a ...
-1
votes
1answer
100 views

Postfix aliases db: No such file or directory

I am trying to use a postfix on a local Ubuntu 12.04 with ZoneMinder. I installed from Ubuntu Desktop the Postfix package and its dependency. Now if I try to send email with following command it ...
2
votes
0answers
123 views

opendkim fail | bad RSA signature | verification failed unprotected key

I have fully manageable VPS running Ubuntu 14.04 which hosts websites for several domains. Recently I have tried to add DKIM signatures to avoid spam filters. I've followed ubuntu-postfix-dkim ...
5
votes
1answer
92 views

postfix dovecot disable lmtp

I have 3 servers. 1 MX server with postfix and 2 dovecot servers. MX server receive emails and then serve them through LMTP to specific dovecot server. All mailboxes from same domain are on same ...
-2
votes
1answer
27 views

Postfix Email Server Manipulation

I have one postfix mail server (postfix-2.10.1-6.el7.x86_64) under CentOS7. Now, our App Department is using it to send sms'es via email. To: 123456789@domain.tld To: 987654321@domain.tld To: ...
0
votes
3answers
129 views

Configuration of spamassassin on Fedora 21 with Postfix

I was unable to find any help anywhere on installing spamassassin on a modern Fedora system. All the advice out there is old and doesn't apply - so far as I found anyway. The official documentation ...
1
vote
1answer
135 views

Configuration of ClamAV on Fedora Core 21 with Postfix

I was unable to find any help anywhere on installing Clamav on a modern Fedora system. All the advice out there is old and doesn't apply - so far as I found anyway. And, it's not enough ...
1
vote
0answers
27 views

Postfix relay smtp to 2 relayhosts for same domain [duplicate]

have a setup in which Postfix relays mail for a specific domain to another mail server (Exchange) via the usual transport file: # /etc/postfix/main.cf transport_maps = hash:/etc/postfix/transport # ...
-1
votes
2answers
57 views

Source of syslog bind query denied message [closed]

What is the cause, and how can I stop this request on example.com from my ip (xxx.xxx.xxx.xxx) being continually repeated in /var/log/syslog? Apr 14 20:37:10 example.com named[1663]: client ...
1
vote
1answer
53 views

postgrey configuration on Fedora Core 21 is very different, and not documented

In upgrading from Fedora Core 16 to Fedora Core 21, one of the challenges has been getting postfix working with postgrey. I still don't have it working after many long hours focused on it. In the old ...
2
votes
2answers
79 views

Fail to trigger my php script when mail received by my Postfix

I am running Postfix mail on ubuntu 14.04.1. I want to "trigger a PHP script when Postfix server receives a mail" After investigation and the help of many tuto, . I have configured "postfix" & ...
3
votes
1answer
80 views

Restrict postqueue access to admin user

I'm running postfix on Gentoo as mailer daemon. During investigation of some queue pileup I found that /usr/sbin/postqueue is executable by all users on the system, it happily outputs the current mail ...
2
votes
0answers
145 views

postfix vs dovecot: SASL fails “authentication failed: Connection lost to authentication server”

I am trying to set up an email server that authenticates against an Active Directory server. I have successfully set up Postfix and Dovecot so that I can receive, read and send email for all accounts ...
1
vote
1answer
45 views

Configure postfix to send email only from authenticated and receive from anywhere

I`m having problem configuring postfix to receive emails from any domain but block senders for only authenticated users in localhost My main.cf is like : mydomain = domainname myhostname = ...
2
votes
1answer
70 views

Postfix won't forward email using virtual_alias_domains and virtual_alias_maps

Here is what i did: apt-get install postfix picked "internet mail" added a file "virtual" and appended a list with emails and emails (see below for sample) when changing postfix, i always updated ...
4
votes
1answer
38 views

Maildir on Debian Squeeze - Finding email boxes on /lost+found

A server that I'm helping to administrate had a severe file system problem and now there's a lot of files inside the /lost+found directory. I'd like to find the user@example.com's received and sent ...
1
vote
1answer
132 views

Forwarding email with postfix via AWS SES

I have a server with postfix MTA installed that accepts mail for my domain, hereinafter @example.com. I need to setup forwarding for certain emails@example.com to other emails . e.g. @gmail.com and ...
1
vote
1answer
55 views

iptables KVM prerouting SMTP

I have a host machine that has to manage traffic on port 25 and route to port 25 on the KVM machine for postfix deamon like this scheme: WAN --> (25) HOST_MACHINE --> (25) ...
2
votes
1answer
124 views

Who is telling where cur,new and tmp are created using Postfixadmin with Maildir

I was trying to realized which configuration is telling where cur,tmp and new are created. Of course I've beein using virtual user and I receive and send mails into virtualuser/domain/user/Maildir/new ...
4
votes
1answer
229 views

Why are there so many files in /var/spool/postfix/maildrop

We have CentOS 7 running, and previously had postfix installed (it is currently uninstalled). After removing postfix we checked the /var/spool/postfix/maildrop, as the df -h command was reporting ...
1
vote
1answer
59 views

OpenVZ - SMTP - telnet - Connection timed out

I have problem with SMTP in my OpenVZ container. I've created OpenVZ container by Proxmox on dedicated server in OVH. This container will be as mail server. So I create on "mother-server" rules to ...
6
votes
2answers
78 views

Postfix deny relay for some virtual users

I'm using Postfix as MTA and relay. Users that wish to send e-mail from a remote system authenticates and Postfix hands that to Dovecot, and this works well. But how can I limit which users can use ...
-3
votes
1answer
45 views

Postfix and multidomain

I'm trying to setup postfix to use multi-domains mail. Right now, I can send mails to user@ns3289160.ip-5-135-180.eu, but sending mails to user@domain2.com isn't working: I receive the following ...
-4
votes
1answer
79 views

How to enable `dbox` for a particual mail account?

I need to enable http://wiki2.dovecot.org/MailboxFormat/dbox/ formailarchive account. I want to enable dbox only for the mailarchive account & the other accounts continue to use the Maildir ...
5
votes
1answer
82 views

Postfix: selecting relay host based on From: mail header rather than envelope sender

I've successfully set Postfix to relay emails via Mandrill using SASL and sender_dependent_relayhost_maps with a MySQL table so that different senders connect to Mandrill using their own Mandrill ...
1
vote
0answers
54 views

Postfix aliases only work from local users

I just setup a Postfix instance and added a few names to /etc/aliases. For example, take this: root: toor, nobody foo: root, root@gmail.com foo2: foo, example@example.com I ran newaliases ...
1
vote
1answer
59 views

Configure roundcube login by hostname

I recently installed Roundcube on my Centos6/postfix/dovecot server. Default install works great but I am trying to configure some options that I cannot seem to figure out. My end result would be a ...
2
votes
1answer
46 views

Authentication error connecting to a mail server via openssl in the terminal

I've set up an email server using Postfix and Dovecot and I'm able to send and receive mail using various mail clients but for some reason I get an authentication error when I try to connect via ...
-1
votes
1answer
33 views

Postfix relays to wrong host

A recent bounced mail sent from our Ubuntu server is puzzling me. Apparently, Postfix tried to deliver a mail to ___@ofir.dk through Hotmail: Mar 15 01:47:37 flap postfix/pickup[1561]: ...
0
votes
1answer
38 views

OpenDKIM errors

When sending mail, Outlook errors 4.7.1 Service unavailable - try again later. I have installed postfix, dovecot and openDKIM, but OpenDKIM is giving me errors: Mar 30 10:19:32 x opendkim[16762]: ...
1
vote
1answer
33 views

How to set the username and password for smtpd in Postfix?

I've set up Postfix as SMTP server by adding this configuration to main.cf: myhostname = foo.com mydomain = foo.com myorigin = $mydomain smtpd_sasl_path = private/auth smtpd_sasl_auth_enable = yes ...
1
vote
2answers
199 views

Postfix: Should I use snakeoil cert or my https cert?

I run a site and have a valid wildcard certificate installed for serving HTTPS pages. I just set up postfix on my Ubuntu host and by default its configuration includes: ...
-2
votes
1answer
69 views

Issues sending and receiving mail, Dovecot, Postfix etc

I have been trying to fix my mail server for 3 days now. I'm not really new to Debian and Apache and such but I am new to Dovecot and Postfix. At this point I have set up the virtual users and the ...
0
votes
2answers
59 views

Can I use /etc/aliases for multiple domain mail server?

I have server1.com and server2.com both pointing to the same server. I wish to make all email sending to @server1.com and @server2.com going to the same mailbox in that particular server. I searched ...
0
votes
1answer
65 views

552 5.3.4 Message size exceeds fixed limit

I already edited the main.cf file like this: message_size_limit = 25600000 service postfix restart postconf message_size_limit message_size_limit = 25600000 I tried to send a mail with 18GB of ...
1
vote
0answers
137 views

Postfix on server with multiple IP addresses sends mails with wrong HELO in header

I have a VPS with multiple IP addresses: venet0:0 x.x.x.2 venet0:1 x.x.x.3 venet0:2 x.x.x.4 venet0:3 x.x.x.5 All IPs have A records m2.domain.com -> x.x.x.2 m3.domain.com -> x.x.x.3 ...
0
votes
2answers
81 views

Postfix Failed to Receive Email

I am trying to set up a mailing server with postfix and dovecot in ubuntu 12.04 following this guide. All seems to have worked out correctly and when I try this echo test | mail email1@example.org ...
0
votes
1answer
76 views

TLS/SSL mail server Certificate installation for Postfix/Dovecot Mail Server Setup

I have tried to setup a my own web-server with mail server, (I am not a linux export just following some tutorials), webserver setup with Nginx,PHP-fpm and MySQL seems to be successful, then i moved ...
-1
votes
2answers
38 views

Postfix access restrictions

I use Postfix 2.9.6 from Debian7. Defined some virtual domains, all works fine as expected. Now I want to restrict incoming emails for one of my domains to accept email if it come from the same ...
2
votes
2answers
49 views

How to move cur tmp new directories directly in virtual user home?

Reading the Maildir documentation they just mention folder should be like user/Maildir/cur tmp new So my virtual users have it without Maildir folder like: ...
1
vote
1answer
82 views

Can existing email accounts be extracted from Zimbra?

I have become dependent on Zimbra, and yet I have no need for a heavy GUI administrative interface. I'd rather keep a low-resource server that runs only the underlying services Zimbra uses, such as ...
2
votes
1answer
32 views

Stop (most) local delivery in Postfix

I'm trying to setup a Postfix (2.11.4) configuration so that it does this: Sends out mail originating from the local server Accepts incoming mail for a single alias, which actually points to a ...
0
votes
1answer
71 views

Django mail reports blocked by Gmail

I configured my Django 1.6 framework to send error reports to a Gmail account so I can check them. Before this worked well, though I had to define filters to catch the sender mail addresses I ...
3
votes
2answers
489 views

Blocking PHP mailer spam using iptables

I host a public-facing web server running Debian Wheezy, and latest versions of Postfix, Apache, PHP, Spamassassin, ClamAV, rootkit hunter. Apache is configured with a handful of vhosts, each tied to ...
0
votes
2answers
71 views

Relay Access Denied - Postfix/Dovecot

Edit: Please, please read the answer before this whole thing, as it'll save you tons of time. Answering my issue was as simple as changing a setting with Outlook, it might be for you, as well. It had ...
0
votes
1answer
165 views

Temporary Lookup Failure - Postfix/Dovecot

Alrighty... So here's what's going on. I can sign in with Outlook to my Mail Server, but when I go to send an email, I get this error. Using SquirrelMail, I don't get any errors, sending works fine. ...
-1
votes
1answer
70 views

How to deliver mail to non system virtual users with EXIM mta

We are running a mail server with postfix mta. But now to are moving to EXIM, as it has a lot of features inbuilt without using milters. In postfix you can deliver to non system users quite easily by ...
3
votes
1answer
61 views

searching for the correct way to compile postfix

I am experiencing issues while compiling latest version of postfix from source code. At the moment I'm trying to compile version 3 because Debian 7 and latest Ubuntu 14,10 (version 2,9 and 2,11 for ...