Free and open source mail transfer agent (MTA) that routes and delivers email

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-1
votes
0answers
12 views

roundcube/managesieve sends vacation replies only to local users

I've had a round cube / postfix setup with os x server (10.8) for some time working. Today we discovered that the vacation filter is only sending messages to local users. It was working some time ago, ...
0
votes
0answers
10 views

postfix discard or change Message-ID header

I want to change the Message-ID header or better yet, discard it. I know everyone is going to ask "Why would you want to do that?" because I know it sounds weird to even write it. Well I am developing ...
1
vote
1answer
503 views

postfix sender_access does not reject

I am trying to stop spam from one sender. They each time uses another mail server. here is headers from original email (i replaced my email and host with: my-email@my-domain.com, sender email and host ...
3
votes
1answer
49 views

Postfix SMTP relay server

I use gmail to receive e-mails both from my gmail address and my own domain, but gmail no longer allows you to send e-mails from your own domain name unless you provide your own SMTP server to send ...
6
votes
2answers
104 views

Can't receive mails from Gmail

A few days ago Gmail suddenly decided to stop sending mails to my mailserver. I am using Postfix and Dovecot with an paid SSL Certificate running on Debian 7 with everything updated. My mail.log ...
0
votes
0answers
23 views

postfix always_BCC mail system configuration error

I'm trying to setup always_bcc to an archive account in order to copy all inbound and outbound mail into a mailbox that can be sucked up by a third-party cloud archive solution. Outbound, works fine, ...
4
votes
1answer
144 views

Postfix SMTP authenticated can send as anyone

The server correctly accepts/rejects the logins though dovecot's authentication mechanism, but after that I can pretend to be anyone when sending emails. smtpd_sender_login_maps = ...
2
votes
2answers
27 views

postfix relay based on origin

I have 4 servers. prod1.example.com, prod2.example.com, dev1.example.com, and dev2.example.com. They all send their mails to smtp.example.com. This server does the relay. Now I want that dev1 and dev2 ...
0
votes
1answer
42 views

Postfix: sendmail (php-cgi) with different IP as authenticated SMTP Users

my Postfix-Mail Server is delivering two main types of mails Mail recieved from php-cgi (sendmail), localhost relay Mail recieved from authenticated SASL SMTP Users Is it possible to define a ...
1
vote
2answers
2k views

Postfix: Using google apps for smtp errors

I am using postfix and need to send the mail using google apps smtp. I am getting errors after I thought I had set everything up correctly: May 11 09:50:57 zedsaid postfix/error[22214]: 00E009693FB: ...
0
votes
1answer
41 views

mailman refused relaying after update

After I updated my mailman installation the server is now refusing to send the messages... and I can not figure out why. (I receive the messages since my mail account is on the same server, but they ...
0
votes
1answer
49 views

Postfix forward incoming emails to mailin

I've setup the smtp server using postfix with dovecot on mail.example.com server running on port 25. And then I've also setup another smtp server using mailin (http://mailin.io) on mail.example.com ...
6
votes
1answer
51 views

How widely supported is forced TLS on inbound SMTP connections?

I run an MTA consisting of the standard Postfix, SpamAssassin, ClamAV, SPF/DKIM checks etc. This MTA is used for inbound email only, doesn't host any accounts and forwards any mail that passes said ...
0
votes
1answer
25 views

Postfix - Need to log email and then redirect to same user different domain

My goal is to add emails to a DB and then send them on to the user at a different domain. My mail server is hosted elsewhere using my domain, (me@example.com). TO get this working, I set up postfix ...
0
votes
2answers
1k views

How to set per user mail quota for postfix using policyd v2?

I have configured cluebringer 2.0.7 mysql httpd and all services are running well . But now i want to set per user mail quota for outgoing mails and want to restrict for a fix number of mail. I have ...
4
votes
1answer
37 views

Postfix address verification server not working

I try to use the Postfix address verification server, but I can’t make it work. Here is the content of my main.cf file, generated by a postconf -n command. I mark the four line I modified myself. The ...
13
votes
2answers
4k views

Automate the installation of postfix on Ubuntu

My system configuration script does an "apt-get install -y postfix". Unfortunately the script is halted when the postfix installer displays a configuration screen. Is there a method to force postfix ...
0
votes
1answer
23 views

Postfix: how to redirect a single email address depending on the sender

I'm trying to add a rule to Postfix. My goal is as follows: when anyone EXCEPT (server@example.com) sends an email to (info@example.com) forward it to (sales@example.com). If server@example.com is ...
1
vote
1answer
23 views

Postfix restrict all incoming mail to certain domains, then allow all for specific user addresses

We use Postfix for company email address's given to employees... all are of the format username@example.com. Basically I want to restrict all incoming mail to these addresses to only allow emails ...
-1
votes
0answers
4 views

Setting up a highly available Mail service with Postfix and ISCSI [migrated]

in an academic project these days we've got to set up a highly available Mail service with ISCSI and Postfix... For now i have a highly available ISCSI SAN and also a highly available Postfix server, ...
0
votes
1answer
1k views

Telnet to SMTP gets no 220 response unless user is specified

My server is setup to generate outgoing email only (no receiving), and is timing out when attempting to contact smtp.example.com Essentially the email is generated by a process on ...
0
votes
1answer
861 views

How to block sending mail from domain in postfix?

How to block sending mail from domain? I tried main.cf smtpd_sender_access = hash:/etc/postfix/access access blabla.com REJECT But when i send mail from blabla.com to somedomain, it ...
1
vote
0answers
31 views

postfix - hock - extracting information out of processed emails

The setup Linux, Debian Wheezy, serves as mail server for about 1000 users. Courier and Postfix installed in this box. Info about the server It is a postfix setup which drops the emails to the ...
0
votes
2answers
921 views

Relay Access Denied - Postfix - Ubuntu

Been having a bit of trouble getting my Ubuntu server to relay my mail to external addresses. Here's whats currently happening: When I telnet locally to port 25 I can send email to any host just ...
11
votes
4answers
888 views

Is there any way to see if the mail sent by my server was received by the recipient server?

I've sent an important email that the recipient claims it wasn't received by them. They say that they asked their IT team to see if the email was received in their server. According to them the email ...
0
votes
1answer
18 views

How to scan mails with amavis from other mailserver

I have two postfix mail servers mailserver1 is running amavis to scan spam and virus mails mailserver2 is running without amavis. My question is how is the smartest way to use mailserver1 ...
0
votes
1answer
34 views

What is X-DKIM header for?

There are some emails with an X-DKIM header (next to DKIM-Signature) like this: X-DKIM: Sendmail DKIM Filter v2.8.2 DOMAIN SOMEVALUE However I am unable to find decent documentation for it. What is ...
-1
votes
1answer
36 views

Configure email SMTP Server on Apache2 [closed]

For a while we decided to use another Server (VServer "B") for our Mailserver. I transfered all email accounts and mailbox from VServer "A" to VServer "B". VServer "B" runs well and the clients are ...
1
vote
1answer
26 views

forward an exact copy of all mail to second archive mail server

I am setting up an mail server with postfix at the moment, and I am almost done with it. But I need to archive all incoming mails. My first setup was to set the sender_bcc_maps parameter and the ...
3
votes
4answers
220 views

Postfix e-mail addresses

I have setup postfix and everything works. But I would like one thing. I have a service ticket system, that should accept ALL e-mail coming in on address@support.example.com and then I have just ...
-1
votes
1answer
641 views

Linux - Dovecot - not receive emails - Connection refused

I try install Mail server on Ubuntu, I've installed dovecot server. telnet localhost 110 - correct telnet mail.example.com 110 - correct When I send email: echo "Testicek" | mail -s "Dovecot ...
1
vote
1answer
21 views

Postfixadmin does not work after update “Cannot redeclare hex2bin”

I had recently updated my Debian wheezy (7.7) and forgot to check all systems after that. So, I can't really say what the versions were before I upgraded or at which point it broke. When I tried to ...
2
votes
0answers
30 views

Prevent postfix appending search domain

I have postfix running on OpenBSD, and I'm having trouble with it appending a search domain when none is configured in either postfix or the local DNS server (dnsmasq). My domain has a wildcard CNAME ...
3
votes
1answer
47 views

increase file size for log files from scripts started from postfix

I am using Postfix to run a script whenever a message is sent to a specific address. The script is a Perl script and it writes a log to a file using Log4perl. The log file is being rotated on a ...
1
vote
3answers
4k views

SMTP mail error 452 4.3.1 Insufficient system storage

I have a server which uses Postfix as the mail system. The issue I am having is I am not able to send or recieve email. If I send an email I get an instant reply from the server which says: Subject: ...
-1
votes
1answer
24 views

Postfix Refused on 587

Postfix is refusing connection on port 587 when delivering mail. Here are my config files: main.cf # See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian specific: ...
0
votes
1answer
27 views

Make postfix not send bounce emails when rejected by Cluebringer (policyd v2)

I have recipient throttling (quotas) enabled on cluebringer and it's working well. However, every time someone is being throttled, postfix sends back a bounce mail. I do not want it to send back a ...
1
vote
2answers
60 views

How do I configure Postfix to accept SMTP for local users with “@” (at sign) in logins?

I have an Ubuntu 14.04 server at mydomain.com with a bunch of users with @domain in login, like us.er@mydomain.com. Each of them has an "pseudo" account us.er-mydomain.com with the same uid, passwd ...
0
votes
1answer
16 views

Postfix 'Too many hops' bounce back

When trying to send test mail my server gives me a 'too many hops' bounce back Error 554 5.4.0 Error: too many hops (in reply to end of DATA command) main.cf # See ...
1
vote
1answer
32 views

Postfix does not trigger my before-queue milter script

I can't get the milter triggered when a new email is accepted by Postfix before-queue. Obviously, I don't do something properly but I can't figure out what. I have the following setup: Ubuntu Server, ...
0
votes
1answer
957 views

Deliver Status Notification & Undelivered Mail Returned to Sender

daily I'm getting hundreds of these mails and have never been able to quite understand completely. Here are some high level types I have observed for these mails. Type 1 From: Mail Delivery ...
1
vote
1answer
64 views

postfix multiple IP SMTP banner

I've installed postfix 2.11.3 and we have multiple IP addresses on our server which we want to host two domains, isolated and running on their own IPs. domain1 unix - - n - - ...
0
votes
1answer
2k views

Postfix mysql Temporary lookup failure

I'm trying to configure a postfix/courier/mysql/SquirrelMail setup, using this guide, but i get the following error when trying to send an email: 451 4.3.0 <info@mydomain.com>: Temporary lookup ...
1
vote
0answers
14 views

postfix relayhost send as user@example.com [migrated]

I have a working setup of a postfix installation, but because I have a dynamic IP, gmail refuses any messages I send from my server. I searched arround and found that with relayhost I can send ...
0
votes
1answer
64 views

How can I disable local mail delivery in Centos?

I want to disable local mail on my Centos VPS because the I have a web form (on a website which is hosted by the VPS) which is delivering mail to the local mailbox rather than looking at MX records to ...
0
votes
1answer
627 views

centos 6.5 postfix postgresql support

i m trying to use postfix with postgres to create a virtual users mail boxes. I get the following errors : fatal: unsupported dictionary type: pgsql warning: process /usr/libexec/postfix/smtpd pid ...
1
vote
1answer
24 views

Why does NIS map error prevent postfix from resolving local alias?

Postfix quit sending me mail from an Ubuntu 10.04LTS server. I spent an hour to two checking /etc/aliases, running and re-running sudo newaliases and sudo postfix reload, web searches for my issue ...
0
votes
1answer
45 views

Website Contact Form stopped working when I moved mailserver [duplicate]

I have a Centos server with ZPanel Installed. This server is used for hosting a website. Previously, I hosted mail on this server using a "Roundcube" mailbox however, I moved to exchange therefore, I ...
0
votes
0answers
39 views

Possible to configure postfix for authenticated and non-autheticated sending?

I'd like to deploy a new (postfix) email service for my domain (example.com) to: allow sending email to ANY domain ONLY if the sender (our cloud applications instances) is authenticated (e.g. by ...
1
vote
1answer
18 views

postfix/procmail - preventing duplicate email in procmailrc

I've postfix on my server, I'm using procmail and customized shell script to process incoming emails for one of user accounts on my local domain/machine. (work@domain.com) Everything was just working ...