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

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152 views

How do I configured postfix and to use SES, and still be able to forward email from unverified external addresses?

We are using postfix for email group lists (eg "members@domain.com" will go to all members) from Amazon EC2 systems. For a variety of reasons (scalability and reliability) we would like to use SES ...
3
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751 views

SMTP authentication failure + PAM-MySQL cannot authenticate

I am building a mail server using Postfix, and set up the authentication to check against a database set-up using Postfixadmin. I can authenticate via Courier IMAP okay, as it can authenticate ...
3
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846 views

Outlook 2011 (Mac) refuses to send email, error -17092. All other clients work [Solved]

Having spent a while debugging this, I thought I'd post here so others can save some time. The error from Outlook 2011 is: "The SMTP server does not recognize any of the authentication methods ...
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213 views

Postfix removing domain from user names before passing to Dovecot for IMAP authentication

In IMAP authentication with Dovecot, Postfix is stripping the domain name from virtual users who share a name with a local user, causing them to fail authentication. Virtual users without local ...
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47 views

Postfix not receiving external mail. Sending mail OK

I am having some issues setting up Postfix to receive mail on Centos. This is a web server that I'm setting up to only pipe mail to a php application so the server hostname is hostname.mydomain.com. ...
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20 views

postfix, dovecot, dovecot-sasl, ldap, and static UIDs for NFS-shared email storage

I'm trying to build a Ubuntu 12.04 mail server as such. Must: Auth against an existing Open-LDAP server. Storage in Maildirs on an existing NFS server, everything owned by 8:8 (mail:mail). Auth is ...
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34 views

PostFix not sending received emails to users correctly -> wrong directory

I'm trying to setup a mail server on Mac OS X Mountain Lion (10.8) Here's the thing: the emails do show up corrrectly in the .Sent Messages folders (when I send from one user to another in accounts ...
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93 views

Postfix server begins send spam immediately after starting

I've installed a postfix server on a debian os & also I've installed apache 2.0 with php on same machine Several days ago my server begun to send a lot of spam messages via postfix. I understood ...
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37 views

postfix not passing email through policy server

after installation of cluebringer on Plesk 11 postfix, the postfix does not talks to policy server, or does not send emails through the policy server at all: postconf -n output alias_database = ...
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70 views

Conditionally rewriting From and Reply-To headers in Postfix

I've got a web app running on Amazon AWS and it's using Amazon SES to send emails. One of the things I really want this system to do is to be able to forward emails to certain addresses from anyone ...
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40 views

Fetch all Mail from an IMAP server with Postfix to distribute on local IMAP server

The situation: The constellation: We have a managed, dedicated server from a professional provider. We currently have Tobit David.fx server in use within our local network which fetches all E-Mails ...
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19 views

sasl username some time send mails or sometime show error please check sasl username and password

I have a mail server (VPS) on CentOS 6.3. I have created a virtual server in virtualmin and I use this virtual server user as a SASL user for my mail server. After sending 50 to 100 emails using this ...
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76 views

ubuntu 12.4 relay access denied postfix

I have been reading all relay access denied in this forum with no luck. Most of those issue have to do with some other packages that work with postfix. I hope you can help me here since this may be a ...
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188 views

php mail + postfix with multiple domains send from right domain?

i followed this tutorial to set up Postfix+Dovecot+postfixadmin on Ubuntu: http://www.exratione.com/2012/05/a-mailserver-on-ubuntu-1204-postfix-dovecot-mysql/ I want to send emails from multiple ...
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39 views

Postfix sometimes ignore sasl_passwd

I have a server (server1) configured to use a relayhost (server2), with a specific username and password. server2 is another of my servers. server1 configuration: /etc/postfix/main.cf: relayhost = ...
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39 views

DKIM on postfix server but not Exchange server?

We are looking into setting up DKIM to improve email deliverability and conform better to best practices for email. We currently have two servers that can send email for a domain - one is CentOS ...
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82 views

Dovecot Mysql Auth Mechanism

First time poster, long time lurker. I am currently rebuilding my postfix/dovecot mail server for support with MYSQL and am unable to figure out which auth mechanism to use. dovecot: auth: Fatal: No ...
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69 views

In postfix how can I conditionally enforce check_sender_access

I am servicing 2 virtual domains: domain1.org , domain2.org. I want to enforce the following policy: If a client connects from an IP address in $mynetworks then I want to allow only mails for which ...
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145 views

Thunderbird does not recognize that my server supports STARTTLS

Ok. So I have been setting up a mail server of late. I have it mostly set up, but when ever I try to send mail with Thunderbird I get the error: Sending of message failed. An error occurred sending ...
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96 views

Postfix, Attachments and Virus scanning, difference between Milters AND Filters? Efficiency and Performance

I'm re-implementing an overloaded Postfix cluster, which beyond its many problems, has major efficiency concerns. The cluster is a dedicated MX Gateway, so mailboxes are not a consideration. ...
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118 views

No more emails being received for user from an email sender

I've set up a Postfix installation based on http://flurdy.com/docs/postfix/ with modifications where I felt was sensible. Emails are being received fine until some users simply no longer receive ...
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115 views

Can't send mail with TLS enabled

I am receiving the following error when trying to send mail in Thunderbird: "An error occurred sending mail: Unable to establish a secure link with SMTP server smtp.myserver.com using STARTTLS since ...
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149 views

postfix won't deliver

I have been setting up an email server based on this tutorial on ubuntu 12.04 with MySQL virtualuser. After having problems with postgray I'm again in that situation that I don't know where should I ...
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110 views

mail server on ubuntu can't recive mails

I have been setting up a mail server on ubuntu 12.04 following this tutorial. Setting up mailboxes in postfixadmin and sending email from this addresses is working, but sending email to my servers ...
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94 views

Postfix: Modify sender address based on recipient

We have a Postfix server that receives mail from our application servers. Senders are in the form user@host.fqdn (where host.fqdn can vary, depending on source server) and recipients can be internal ...
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63 views

How to enable Postfix filter on OS X server (Lion) without getting overwritten?

I have a Postfix after-queue content filter that works fine on stock Ubuntu Postfix install. However, on a OS X Lion Server I'm testing out, I see this "auto-generated" language in the master.cf ...
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65 views

opendkim reporting read private key failed: no start line

I've set up keys with the following: opendkim-genkey -t -s mail -d test.com The private key (pertinent to this question) contains: -----BEGIN RSA PRIVATE KEY----- (some stuff here) -----END RSA ...
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25 views

Postfix /etc/aliases mailinglist queueing issue

I have the following Phenomenon. I am using a Postfix mailserver with amavis/clamav/postgrey/spamassasin. That all works fine.. the only problem is when we are using a mailinglist for all users, the ...
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156 views

Postfix: rewrite sender's email address AND display name

I am using the sender_canonical_maps setting in main.cf to rewrite the email address of all outgoing emails to the same address (I'm using Amazon's SES transaction email delivery service and they ...
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0answers
98 views

Can Subject Alternative Name accommodate multiple virtual mail domains?

I am currently running a postfix server with self signed certificates serving one mail domain, mycompany.com, the mail server is mail.mycompany.com and so is the CN of the certificate. Now, I need to ...
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167 views

haproxy read: timeout error?

I want to configure Haproxy for outgoing mails load balancing on my centos 5.6 vps server. for this i have installed postfix on load balancer. My postfix sasl configuration as follows to use Haproxy ...
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122 views

iRedMail alternative for Amazon default AMI

I would like to use iRedMail, but I am having trouble installing it on an AWS instance using the Amazon default AMI. Is there an alternative open source mail package that includes similar features? ...
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279 views

Postgrey Fatal Error during mailserver installation

i've got a problem with my email-server. I installed postfix, mysql, dovecot and postgrey. when I start the postgrey-process, I get an error in /var/mail.err and /var/log/mail.log Aug 27 10:28:02 ...
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123 views

Enable postfix DSN for SASL authenticated users?

It seems that I can turn on Delivery Status notifications for all users, or just users on the local network. Is there a way to turn DSN on for our employees only, regardless of where they are? ie. If ...
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0answers
195 views

Dovecot authentification not working

I run a Ubuntu 10.04 VPS with Postfix and Dovecot installed. For a while I had problems with the mailserver itself (Postfix) but now it runs ok. I can telnet into it from localhost (telnet localhost ...
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200 views

Postfix : outgoing mail in TLS for a specific domain

I am trying to configure postfix to send mail in TLS (starttls in fact), but only for a specific destination. I tried with "smtp_tls_policy_maps". This is the only line in my main.cf file regarding ...
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491 views

Rewriting sender address based on the recipient

I'm trying to set up my postfix server to alter the sender address of outgoing e-mails for one specific recipient domain (example.com) -- otherwise I'd just configure smtp_generic_maps in main.cf and ...
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247 views

389 Directory Server + Zarafa + Postfix

I am installing two servers, one with 389 directory server and another with zarafa+postfix. I already managed to integrate the ldap authentication with zarafa but each time a try to send an email i'm ...
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250 views

How do I use an encrypted MySQL password with Cyrus SASL?

In /etc/postfix/sasl/smtpd.conf I have: auxprop_plugin: sql sql_engine: mysql sql_hostnames: 127.0.0.1 sql_database: mail sql_user: mailadmin sql_passwd: secret sql_select: SELECT password FROM users ...
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70 views

Check Exchange Quota Usage from Postfix / Prevent Backscatter With Postfix+Exchange

we have some troubles with our Mailsystems at the moment. We have an postfix server, handling all incoming mails and forward them to the correct internal mailsystem. This works well with the most unix ...
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0answers
479 views

Randomly getting Postfix SSL_accept error / Dovecot TLS handshaking Disconnected

I have this really weird problem since a couple of days/weeks: more and more people are reporting problems connecting to the mail servers (Dovecot IMAP and POP3 as well as Postfix SMTP) in SSL mode. ...
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0answers
183 views

Postfix: holding emails outside the Hold Queue possible?

Can I do this: mv an email out of the Postfix hold queue to say, /tmp/foo/. Keep the email in /tmp/foo/ for an arbitrary period of time (ranging from seconds to days). During this period, Postfix ...
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219 views

Is it easy to forward email on a debian server?

I am looking for way to forward email from info@mydomain.com to e.g. uglyname@hotmail.com. And I wish provide a webinterface for someone else to setup this mail forwarding. Mydomain.com runs on a VPS ...
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0answers
177 views

osx 10.6 sendmail submission: Postfix launchd stops before queue is empty

A PHP script run on a localhost development machine, needs to send 53 mail messages. After having sent 37 messages, sending stops. The postfix queue is not empty yet. The remaining messages will be ...
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412 views

postfix, courier-imap and virtual users quota

I am using Postfix MTA and courier-imap server. Clients and domains are virtual and stored in PostgreSQL database. Postfix reads quota data from SQL table OK and I can see such messages in maillog ...
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0answers
278 views

How can I get Postfix to actually forward emails?

I've been trying to redirect email to an external host. I've been using the virtual_alias_domains method. This occasionally works but where there is a SPF on a sender domain, it fails tragically. The ...
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0answers
149 views

Why did postfix deliver a bounce notification to a local spool file, when delivery to this user has been disabled?

My postfix configuration allows mail via several local_recipient_maps. However, delivery to "proxy:unix:passwd.byname" is specifically disabled. This normally prevents delivery to local unix users: $ ...
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212 views

How to setup multiple postfix servers for one domain

I was wondering how to setup multiple postfix smtp servers (mx1.mydomain.com, mx2.mydomain.com, ..., mxN.mydomain.com) for my domain. I've a postfix + courier with virtual users already running, but I ...
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224 views

Postfix policyd dual usage setup - greylisting and quotas

On our server we are using policyd 1.x together with Postfix 2.1.5 for greylisting and enforcing incoming quotas from unauthorized users (ie. mail for our domains). For this, I have set up Postfix ...
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2k views

SASL LOGIN authentication failed: generic failure

I'm setting up a mail server with SMTP authentication and the backend database is MySQL 5.1.53 with pam_mysql and cyrus-sasl2 2.1.23 on Slackware Linux 13.1. When I telnet to test my server-side ...

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