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

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4 views

postfix setting outbound ip from mysql database

At the moment I am setting the smtp_bind_address using -o in master.cf. As this complicates the process of adding a new virtual domain (with a specific ip) alot, I would really like a solution how I ...
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16 views

Accept emails from specific user in multidomain

I want to know if is it possible to accept emails from specific user without domain differences. Example: info@domain1 accept info@domain2 accept test@domain1 bounce test2@domain2 bounce I need to ...
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1answer
27 views

Postfix & Gmail: STARTTLS error

I configured Postfix using this guide. When I send a test E-Mail I get the following error message: May 23 15:36:26 VM11 postfix/smtp[15321]: connect to smtp.gmail.com[2a00:1450:4001:c02::6d]:587: ...
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32 views

Can anyone help me set up postfix on my CentOS 6 box?

I can send email within my domain but can't send to external addresses like @yahoo.com or @gmail.com. my mail server is "abc.def.ghi". I tried telneting in commandline to someone@yahoo.com. and it ...
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2answers
32 views

PostFix and Dovecot- no smtp authentication

I used this guide to set up my mail server, and everything is working flawlessly, except there does not seem to be any smtp authentication. Have no idea what is going on since there is nothing in the ...
1
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1answer
24 views

PHP mail function can't send to att.net, MAIL FROM line is incorrect

When web apps on my VPS use the PHP built-in mail function, some domains (like att.net) bounce emails back. /var/log/mail.log reveals: 550 [PERMFAIL] att.net requires valid sender domain (in reply to ...
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2answers
17 views

Postfix time in queue manager very high

http://screencast.com/t/7Ok2PwDDj I have been running Postfix 2.6.6 for the last 5 months. There has not been any server changes and the config allowed me to send 150,000 emails per hour with no ...
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0answers
19 views

There are alternatives to pflogsumm? [closed]

i'm a novice user of postfix mail transfer agent. I would like to know how could I have complete usage information to make reports. In example: How many mails have been sent with a certain login? ...
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0answers
19 views

How to add postfix address that gets piped through script

I have a Debian server running postfix. In the file /etc/postfix/main.cf there is this line: mailbox_command_maps = pcre:/etc/postfix/mailbox-pcre The file /etc/postfix/mailbox-pcre contains lines ...
2
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1answer
33 views

Postfix: 554 5.7.1 Relay Access Denied

My Problem is this: I can send E-Mails from my E-Mail (evolutio@lars-dev.de) to my other Emails like @gmail @web @gmx ... But when I try to send a E-Mail from GMail to evolutio@lars-dev.de I have the ...
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1answer
52 views

Best Practice for Partitioning CentOS as a Mail Server? [closed]

I've got 8X HP900GB 6G SAS 10K SFF on a HP ProLiant DL380p , i am trying to find best practice to partition it's disk space for a mail server which will expand , while i've got so much i/o processes ...
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2answers
25 views

After uninstalling EHCP, how do I get my original postfix configuration back?

I tried installing EHCP recently, which was a disaster because it's not optimized for keeping your database on a separate machine from the mail server--"localhost" is hard-coded just about everywhere. ...
-1
votes
1answer
37 views

How to detect which account is sending spam [closed]

I manage a postfix SMTP server on a college. Every week at least one account is compromised and used to send spam. We developed an in-house monitor that suspend any local account that has more than 40 ...
2
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2answers
30 views

policyd-spf is rejecting mail with '?all' SPF records

One of our clients is getting mail rejected from one of his customers. The sender's SPF record is: v=spf1 +a +mx +ip4:12.34.56.78 ?all The mail is not originating from 12.34.56.78, but AFAIU the ...
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2answers
49 views

How to send mail by primary IP?

In a Debian server, I added a second IP by the following configuration in /etc/network/interfaces # The primary network interface allow-hotplug eth0 iface eth0 inet static address 1.1.1.1 ...
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1answer
37 views

Best resources for mail server administration

What are the best (updated) resources / manuals for sysadmins to learn how to manage a mail server (basically Postfix on linux)? I'm talking about advanced topics such as mail server replication, ...
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1answer
29 views

Postfix only allow authenticated users

I have postfix installed and configured so that only authenticated user can relay. If I test it with telnet this seems to work root@mx3:/var/log# telnet localhost smtp Trying 127.0.0.1... ...
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1answer
26 views

How to process incoming email sent to a catchall address (and a few valid email addresses)

I need to build a web application where people can send an email to custom email addresses (like - 1week@example.com, or 2days@example.com) and the email address '1week' and '2days' is used to perform ...
1
vote
1answer
28 views

Postfix piping to a ruby script. Is a new ruby process created for each email?

I'm writing a ruby script to process incoming email for a specific email address using a transport. Postfix transport table me@example.com ruby-script Postfix master file ruby-script unix - ...
1
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1answer
33 views

How to configure postfix to throw away all email to one domain and relay all other email?

I need to set up postfix in a development/test environment to filter e-mails so we don't spam our customers. In our test environments we scrub all our user data so that e-mail addresses are changed to ...
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2answers
21 views

Postfix piping to php issue: “cannot append message to file: cannot open file: Permission denied”

I am having some issues with setting up piping to a php app (WHMCS). The mail is coming to the server however it is bouncing. The maillog shows:- May 15 12:51:14 hostname postfix/smtpd[2123]: ...
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1answer
24 views

IMAP Folders with Ubuntu 12.04 mail server: postfix-courier-ssltls-spamassassin-clamav-amavis

I setup this mail server a few days ago according to this tutorial, worked fantastic: ...
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2answers
114 views

Postfix/Dovecot permissions on new files in a mailbox

According to this article: When creating new files inside a mailbox, Dovecot copies the read/write permissions from the mailbox's directory. I'm not seeing this. Here is what I'm seeing: ...
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118 views

Zentyal 3.0: Ubuntu 12.04 updated: gmail smtp sending spam

as of now I have stopped the zentyal mail service I only have one user setup as soon as I start it the service backup and run mailq from any system user it is full and keeps trying to send emails as ...
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0answers
51 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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0answers
28 views

My email server has been hacked. Postfix sending SPAM [duplicate]

My server has been hacked. Currently I host 10 sites in my serverand have Visrtualmin installed. All my emails are relayed to Critsend and yesterday I got an email from leaseweb telling me my IP has ...
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0answers
21 views

Forward copy of mail to different domain

Is it possible in post-fix to forward an Mail send from particular user From: abc@example.com TO:anyuser@ourcompany.com should forward copy of email to other user at external domain ...
0
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1answer
21 views

How can I configure Postfix to ignore relayhost when forwarding mail?

How can I configure Postfix to ignore relayhost when forwarding mail? I currently use the relayhost to send all outgoing email via an external SMTP service : # /etc/postfix/main.cf relayhost = ...
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0answers
25 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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1answer
24 views

Postfix deliver to inhouse Exchange never arrives

When I send a message though postfix to clients who have an inhouse exchange server the message never arrives. The strangest thing is it is being delivered as postfix responds with a 250 queued for ...
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1answer
40 views

Dovecot Forward Spam

I was wondering if anyone had any knowledge on how this idea can be done. It's not a requirement but more of an idea I came up with that I don't know how to word my google searches to find out if it's ...
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4answers
80 views

How to route email to a script

What I'd like to do is set up an address like something@myhost.com which will take whatever email it gets and run the full message as STDIN into a shell script. I can't seem to get this working ...
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43 views

Change Posftix, from name

I'm setting up postfix to relay email through Gmail and have it working, but when an email is sent, the from name comes across as "root". I want to set it up so it comes across as "Test User". How ...
0
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1answer
29 views

Postfix rate limiting entire server

I have searched around for a good answer to my question but have yet to find one. I deal with lots of Linux servers that send out newsletters. These servers are normally located at an office with a ...
0
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1answer
38 views

Connection Time out Postfix Email forwarding

I have a situation when forwarding from postfix mail server to yahoo,gmail,aol,icloud and many others forwarded email delivery to major ESP stopped at once though it works for my company email and the ...
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1answer
62 views

CentOS/Postfix cannot receive or send emails to external domains

I run CentOS 6 server on Windows Azure cloud. Plesk 11 installed. And the problem is that I cant use webmail service since it doesn't send or receive emails. Port 25 looks closed from MXTools Things ...
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votes
1answer
44 views

Postfix does not work over remote connections

I am attempting to set up an email server on a VPS running Debian Squeeze. I've setup Postfix according to the instructions at here. Everything seems to work fine if I connect to the server from ...
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2answers
55 views

SPF, DKIM, PTR & friends Passed, but postfix mail goes into spam How to Fix it? [duplicate]

I recently setup an email server with static IP address, (Ubuntu 12.04 & Postfix); Everyting looks OK, I did te test@allaboutspam.com test and everything passes in green (except for BATV format ...
0
votes
1answer
44 views

Postfix Temporary lookup failure

I am trying to set up postfix, but I get a "Temporary lookup failure" error main.cf: inet_protocols = ipv4 inet_interfaces = all queue_directory = /var/spool/postfix command_directory = /usr/sbin ...
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2answers
48 views

Replicate Gmail user+something@gmail.com functionality using Exchange 2010 and/or Postfix

With gmail it's possible to put a + after your username followed by an identifier. See here for an example. Is it possible to replicate this functionality with Exchange? We have a ...
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0answers
19 views

Piping Wildcard Email to Scripts [duplicate]

I am working on a server with this stack... Ubuntu 12.0.4 Posfix Apache MySQL ProFTPd BIND DNS I need to figure out how I can Pipe email to a PHP script. Let's say I make a domain testing.com and ...
0
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1answer
49 views

How to forward to dynamically determined addresses with Postfix?

Each message to a local user must go to an address that is obtained by running an external command. That command will look at the local address tag, make API calls to several processes, and then ...
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0answers
17 views

Configure postfix to DKIM-sign emails generated from the system

My web hosting server features a Postfix setup up and running. That postfix is also open with STARTTLS on port 587 for authorized users (only me, myself and I right now) to send emails to any domain ...
2
votes
1answer
43 views

Migrated mbox to Maildir, how to avoid mail client from re-downloading emails?

We have moved emails in a postfix server from huge mbox files to MailDir, but when trying out one Outlook client, found that it redownloads all mail as duplicate unread messages.
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0answers
31 views

How to reject smtp fallback server [closed]

We have a fallback server for our webservers. So the webservers are whitelisted. Now we have the problem that hacked websites on the webservers send spam trough the mail fallback server. What we ...
0
votes
1answer
42 views

Moving Maildir directory out of /home

I have a computer with Ubuntu 13.04 with a local IMAP server that I use to share email over the LAN. I set this computer up to have an encrypted /home, however this therefore means that anyone logging ...
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0answers
37 views

multiple login credentials for same relayhost

i struggle with my postfix config. i want to use the same relayhost for my two domains, but i have different credentials on the relayhost. is there a way to tell postfix to use two different login ...
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votes
1answer
27 views

What is the 'optimal' Postfix configuration to reduce overall system load? [closed]

We currently process >10k messages per day, and Postfix gets bogged down which results in slow delivery to local user, so I looked at older examples of how Postfix can fend off many spam senders, such ...
0
votes
1answer
38 views

Postfix conditional rules base on sending address

Email configuration on dev server: At the moment I have postfix configured to route all emails sent to itself. So if you try to send and email to any address say gareth@example.com it won't be ...
0
votes
1answer
59 views

Postfix - disable sending of NDR's

I have Postfix installed which I am using for SMTP only. It is configured for one of our client's domain and sending newsletters and notifications to the users. The problem is that because the ...

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