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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-1
votes
0answers
8 views

Postfix to Use Ipv6 on Rotation Basis [on hold]

I want to setup my vps to use ipv6 on rotation basis and make ipv4 as incoming for postfix. i have 16-ipv6 address and 1-ipv4 address Need help in configuring the same in my vps. It has centos 64 bit ...
-1
votes
1answer
14 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
15 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
vote
2answers
30 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 ...
0
votes
0answers
29 views

How can I spam-filter outgoing email on a postfix server?

I'm in the process of setting up a solid mail system. It's my second time setting up something like this, so I already have a basic understanding of how to approach certain topics. I'm using postfix ...
-1
votes
1answer
16 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 ...
0
votes
0answers
13 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 ...
0
votes
0answers
17 views

Invalid postfix email address on serverpilot [on hold]

I have a digital ocean droplet with ubuntu installed and being managed by serverpilot. None of my php scripts are able to send emails and looking at the postfix logs, it's because the email from ...
4
votes
1answer
47 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
0answers
17 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
51 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 ...
0
votes
1answer
28 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 ...
0
votes
0answers
23 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 # ...
0
votes
0answers
19 views

Multiple domains with postfix and one SSL certificate [on hold]

I know i have to set up something like this: https://blog.wpkg.org/2013/07/31/postfix-and-multiple-ssl-certificates/ but the problem is - i don't have two ip adresses. Could i emulate it by adding a ...
-1
votes
2answers
38 views

Source of syslog bind query denied message [on hold]

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
votes
0answers
11 views

Extract file attachement and edit it using Zend framework from mail received using stdin [on hold]

I am using ubuntu 14.04. I configured my Postfix. I installed Zend framework. then I sent email with attachment "file.dat" from terminal using the following: mail -s "hello" -a /path/file.dat ...
-1
votes
0answers
9 views

opendkim not signing emails [duplicate]

I am configuring opendkim to sign my outgoing emails on my CentOS 6.6 server. I can send email out and get them fine, but I want to implement as many measures as I can to ensure my emails are ...
-2
votes
0answers
18 views

Locating MailForwarding Settings [on hold]

tl;dr Where can I find settings that are correctly redirecting emails? Summary While setting up my first AWS EC2 instance I was a little wary about configuring mail so I did "XYZ". Now that I have ...
1
vote
1answer
20 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
49 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
29 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
35 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 ...
-2
votes
1answer
22 views

Postfix smtp configurations [closed]

How can i configure smtp server to handle email sent to the specific domain? I am new to smtp server any help or gudance on this will help. Please let me know if you know any kid of manual for postfix ...
-4
votes
0answers
18 views

Postfix configuration to deliver email to local servers [closed]

how can I configure external systems to use my server to deliver email to local users in postfix ps I am using centos 6.6 Thank you
-1
votes
0answers
18 views

Postfix server routing outbound mail through spamassassin

I had a Postfix smtp server configured and working properly with Spamassassin and OpenDKIM functioning normally when I decided to also enable Postscreen. In doing so, all my outgoing emails are now ...
1
vote
1answer
27 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
52 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
35 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
56 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
29 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) ...
0
votes
1answer
70 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
78 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 ...
6
votes
2answers
55 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
27 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
67 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
43 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
votes
0answers
26 views

empty from header while sending emails from exchange via postfix to the internet

I use a server with: Debian7 Postfix 2.9.6-2 as a relayhost/smarthost for a local exchange server. I am not the administrator of the exchange server, but of the postfix-server. Lets name this ...
1
vote
0answers
42 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
25 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
33 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 ...
0
votes
1answer
21 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
15 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
24 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
172 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
43 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
42 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
27 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
63 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
51 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
38 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 ...