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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0
votes
0answers
6 views

imapd: 'username': No such file or directory

I'm using Apache, Postfix, Courier IMAP and roundcube on my CentOS 7 machine. I would like to create a new user account / new user email to be able to send emails from my domain outside my local ...
0
votes
1answer
14 views

Postfix sending mail from local users but not from mailman

I am attempting to set up a Mailman server for a local club and have run into a strange issue with Postfix and Mailman. I think the issue lies with Postfix. So The issue is that I am able to send ...
1
vote
0answers
8 views

Postfix: How can I BCC myself on outgoing mails only if I'm not already in the recipients list?

To avoid setting up Bcc or sent mail locations manually on every email client I set up to access my mail server (Debian Wheezy + Postfix + Dovecot IMAP), I've configured my Postfix server to ...
1
vote
1answer
21 views

mail client Thunderbird does not read new mails from dovecot/postfix mail server

I run a server: Debian GNU/Linux 7.8 (wheezy) and used the default mail system (exim) for mails with regular users (no vmail). Mail system did not work properly for some users, so I removed exim and ...
-1
votes
1answer
25 views

How to config Postfix\Dovecot to deliver all address+anything@domain to address@domain

Like Gmail how to configure Postfix\Dovecot on Ubuntu to deliver all address+anything@domain to address@domain?
1
vote
0answers
15 views

Posftix as relay - rewrite recipient in incoming messages

I have Postfix as MX server, receiving messages from the internet and forwarding them via LMTP to dovecot maiboxes. So recipients are specified in relay_domains relay_recipient_maps transport_maps ...
0
votes
0answers
12 views

user unknown. Command output: ERR: authdaemon: s_connect() failed: Permission denied Invalid user specified

I have a debian server with Postfix+MySQL+Courier-IMAP+Maildrop+SpamAssassin. It was previously running squeeze, but I decided to dist-update it to wheezy. I kept all the exiting configs and didn't ...
2
votes
2answers
31 views

Postfix long dns queries

I use my postfix server as a relay to another provider. I dig a little to find out why sending a simple mail takes so much time. I figure out that postfix do complete DNS queries for each single mail ...
-1
votes
0answers
25 views

Greylisting with Postfix - which milter to use? [on hold]

I am looking for a way to implement greylisting on a per-address basis on a Debian server running Postfix. I read that some solutions either slow down the server performance (I am not talking about ...
-1
votes
0answers
16 views

Why mails are in spam folder [duplicate]

I have set up a mail server (Postfix) in CentOs with proper configuration six months before. For the past five months, the mails which I have been sent are get received in Inbox folder. But, Now I ...
0
votes
1answer
28 views

Postfix blocking mail from backup MX

I have two CentOS 6.6 servers configured with Postfix for sending email. I have everything working great, SPF entries, Domain Keys and OpenDKIM configured and working, but I'm trying to perfect my ...
2
votes
1answer
28 views

postfix/dovecot says “postmaster_address setting not given” but it is

I'm trying to configure postfix and dovecot to work together with virtual domains stored in MySQL, but I keep running into this whenever mail is passed from postfix to dovecot. Apr 26 11:54:40 smtp ...
1
vote
1answer
15 views

relearn bayes autolearned spam when mails already processed by exchange

I'm using postfix with amavis and spamassassin to filter out spam before relaying everything to an exchange server. Regularly I got mails which weren't catched by spamassassin, even worse, they were ...
0
votes
3answers
34 views

Server setup for SSL for sending and receiving emails?

I managed to setup one physical server using postfix, dovecot with mysql server. I do plan to use virtual domains and users. Current setup to send and receive emails. SENDING smtp.example.com ...
0
votes
0answers
20 views

Postfix routing mail function recipient domain [duplicate]

i manage mails servers with Postfix and for one client I have delivery problems. So I want to say to Postfix "if mail are for this domain send them not whith the local smtp but with an other" wich one ...
0
votes
2answers
57 views

Why does my server (postfix) “relay” mails / Have my server been hacked? [duplicate]

Something weird is going on on my mail server. I was mailing a friend and my mail bounced because the ip of my server had been blacklisted. It appears like my server is being used for relaying spam ...
0
votes
1answer
25 views

Postfix block internal communications

I'd like to know how to block my users to send mail to each other but give them chance to send and receive external mail. john@localdomain.com <---> julie@localdomain.com REJECT ...
-2
votes
1answer
25 views

Keep receiving abuse messages from my service provider, but cannot find anything in maillog

I keep receiving from my provider abuse messages, that spam is being sent out from my server, but I cannot find anything in the /var/log/maillog files. No information is being logged there about ...
10
votes
2answers
126 views

Email from our server tagged as junk by Hotmail Smartscreen unable to inform Hotmail that it is legitimate

Since more than 1 month ago we are having our email from one of our servers systematically tagged as junk by Hotmail Smartscreen filter. We have taken the following actions/measures without success: ...
0
votes
1answer
52 views

Postfix and dovecot can not receive mail

I setup a mail server (with multiple virtual hosts) on a VPS. I used postfix, dovecot, postfixadmin, squirrel and mysql. I can send mail by squirrel, but can not receive any mail. This is my ...
0
votes
1answer
22 views

Why am I getting a 'fatal: SASL library initialization'

If I turn on smtp_sasl_auth_enable=yes <- yes I get this set of warnings and a fatal for SASL. I can not see why it's also looking for cyrus - which is not compiled in. postfix/smtp[87056]: ...
2
votes
1answer
52 views

Alias to external address in compound with catchall in mydestinations

I have a mail server that accept emails from any domain. This is accomplished by using the following line in Postfix's main.cf: mydestination = regexp:/etc/postfix/mydestinations.reg and ...
-1
votes
0answers
31 views

Dovecot cannot create new user “No Domain Given” [closed]

I am following a tutorial on how to create a mail server with Ubuntu, nginx, Postfix, and Dovecot, located here. From the tutorial, I use a script called adddovecotuser #!/bin/sh if [ ! $# = 1 ] ...
-2
votes
1answer
15 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
27 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
42 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
vote
0answers
43 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
31 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 ...
1
vote
0answers
52 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
65 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
25 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
97 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
67 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
47 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
votes
0answers
11 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 ...
1
vote
1answer
28 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
57 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
37 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
62 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
votes
0answers
23 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
29 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
57 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
37 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
80 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
39 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) ...
1
vote
1answer
82 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
95 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
62 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
29 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 ...