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

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1answer
11 views

Postfix record recipient if unable to deliver or bounced

Help would be greatly appreciated. I am not a server admin but I have been tasked with making a means of auto-removing a email recipient from the database containing a table with a list of emails, ...
-1
votes
0answers
13 views

Adding users to Postfix and Dovecot from Web front-end

I have a basic email server running Postfix and Dovecot with webmail and all that jazz. Right now, I'm using a shell script I wrote to add new virtual users and mailboxes to postfix, and set ...
-1
votes
1answer
7 views

How is postfix relay configured by default on OSX?

On OSX, I don't need to configure postfix at all, I just sudo postfix start and it all works. In the log files, I see Apr 23 14:04:46 orcrist.local postfix/smtp[19506]: 9211B2E4B96C: ...
0
votes
3answers
54 views

How can I secure postfix so my ISP won't block it?

Our dev server is a CentOS LAMP system for developing web sites. We want PHP to send email. The server doesn't need to receive email or anything else, literally just send email to our developers. I ...
0
votes
1answer
10 views

postfix master.cf configuration from database

I am wondering if it is possible to configure postfix master.cf file from database. Same as, for example, in main.cf one can set alias_maps = pgsql:/etc/postfix/pgsql-aliases.cf What I'm ...
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votes
1answer
27 views

Leaving postfix 'mydomain' & 'hostname' empty in this scenario

I have a VPS server that only deals with email hosting. This server does not have any designated domain name pointing to it. Its only one VPS with one IP address. I am running CentOS 6.5 Minimal, ...
0
votes
1answer
17 views

Fail to relay email with Postfix

I want to relay mail to local SMTP to mandrillapp, with the /etc/postfix/main.cf smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no append_dot_mydomain = no smtp_sasl_auth_enable = yes ...
1
vote
0answers
19 views

Diagnose SASL LOGIN authentication failure with postfix and sasldb

I am trying to configure a Postfix SMTP server on my personal machine (ubuntu server) using sasldb2. So far what I have set up works well with the test command: testsaslauthd (however it may be ...
1
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0answers
14 views

Postfix tries to deliver forever

I have a postfix mailserver on LAN which is only used to send email alerts to internal domain names. It does not have any route to the internet, nor does it have a DNS setup. Now after couple of ...
0
votes
2answers
23 views

How can I set Postfix outgoing port to 465, but keep incoming port to default?

My ISP blocks port 25. So, I cannot connect to my server and send emails. I've tried changing it to 465. And it works! However, after this change, I cannot receive emails anymore. # # Postfix master ...
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0answers
33 views

Postfix Backscatter Issue

Good day, We have Postfix on Ubuntu 12.04 LTS. When we had 3 clients phished, it appears that when we cleaning up we may have messed up our main.cf and master.cf We used backups to bring us back. But ...
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vote
1answer
24 views

Setting myhostname and Mydomain in postfix for mutiple domains

I have 5 domain names currently pointing to my email server, which is running CentOS 6.5 with Postfix, Dovecot installed. Although I am now only able to receive emails but not send (for reasons I ...
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votes
2answers
30 views

Do I need SMTP when using Postfix/Dovecot? [on hold]

I have setup Postfix and Dovecot. Microsoft outlook tells me it cannot find the SMTP server. I thought dovecot would handle all the deliveries? Do I need to allow postfix to listen to external ...
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votes
0answers
19 views

Basic setup for postfix [on hold]

So I've spent about 8 hours trying to get something to work in postfix using various configurations, none of which work. I had a basic setup (1 local user to one email address) working fine so I know ...
1
vote
2answers
28 views

Postfix sending and receiving in strange way.

I have an email server, running on CentOS 6.5, 32bit system, with Postfix and Dovecot running along all their dependencies. Let's assume my domain is www.anw.com I have created A record in this ...
0
votes
0answers
19 views

Postfix relay_domains configuration for outgoing mail

im pretty new to Postfix and email administration in general. I have installed postfix on my debian 7 server following this tutorial Now, I can receive emails and if I try to send them using ...
0
votes
1answer
19 views

Postfix - E-mails missing, no message in the log

I'm setting up a postfix + dovecot mail server for myself on a VPS. I plan to host a couple of domains with it and be able to manage the users via MySQL. It currently works as I would like to but it ...
0
votes
0answers
14 views

force upstream smtp outbound through proxy

Upon inspection of emails sent outbound to external domains, the backend is revealed as being the true sender, rather than the proxy itself. When sending within the domain, from local user to another, ...
-1
votes
1answer
22 views

How do I get postfix to send and receive emails after server OS update?

I apologize in advance if this is a duplicate. As I've mentioned in other questions, I'm not a server guy by any means. Background information: I'm currently using an Ubuntu server which was updated ...
0
votes
1answer
38 views

mail issues. cent os6, postfix and php mail. many domains, one with google apps

I am running a private server with centos6. I am using postfix. My "main" domain is using google apps to deliver its messages. I have several other websites hosted on this server too. The problem is ...
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votes
0answers
10 views

Postfix + spamass-milter configuration: Do i need the -m option?

I have setup succcesfully Postfix 2.96 on Debian with opendkim and spamassasin-milter. Works fine but i have a question. Before I setup Postfix I have read many tutorials and there is one advice i do ...
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0answers
14 views

postfix: Creates bounce mails on mails which have auto-submitted set

Our Postfix creates "Undelivered Mail Returned to Sender", although the original has these headers set: Auto-Submitted: auto-replied Precedence: bulk Why does postfix create a non delivery report ...
0
votes
1answer
18 views

How I can set the errors in spanish language on postfix server email?

I have a postfix servers in my network and very much users not read the english lenguage, and I want set the errors in spanish language. My version of postfix email servers is: mail_version = 2.9.6 ...
0
votes
1answer
23 views

Create IMAP mailbox in linux server

I am using Postfix 2.10.2/Dovecot 2.2.5 on RHEL 5.9. I used to create normal virtual mailboxes. How can i create IMAP mailbox and use it and how to differentiate it from POP3 mailboxes ? I hope i am ...
0
votes
1answer
24 views

How do I simply forward email to an external address using Postfix aliases?

I don't want to deal with postfix virtual. I want to use aliases (/etc/aliases) Is there a way to do this?
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0answers
14 views

POSTFIX: how to determine how many connections are currently active

I'm running postfix on a mail server which is used by a couple hundered users. One user is getting "Connection Interrupted" errors in Outlook when attempting to send. I have not had reports of this ...
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0answers
10 views

Is there finer rate control for Postfix, e.g. 2/second?

I have managed to tune down postfix sending to one every second or one every five seconds. There's also an option to send only two or three concurrently. Is there any way to send two every second or ...
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0answers
23 views

Postfix/Amavis email vanish without a trace after cleanup/scan

Have this weird problem after amavis was triggered, mail vanished after cleanup. Apr 11 15:45:28 smtp postfix/smtpd[19861]: DD66613C04A: client=SENDER.com[66.66.66.666] Apr 11 15:45:28 smtp ...
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votes
1answer
30 views

Multiple mail servers for a single domain [closed]

Running a "DNS scan" to make sure my DNS zones are setup "correctly" led to the suggestion by the tool to run more than one mail server for redundancy. It got me thinking about how one would implement ...
0
votes
1answer
20 views

postfix multiple recipients for the one address

I'm running postfix on centos and in my /etc/postfix/address I have email@domain.com username which works and now I want two people to be on that list now. I've tried email@domain.com username, ...
0
votes
2answers
36 views

postfix permit_sasl_authenticated in smtpd_client_restrictions for submission on 587

First let me explain my setup. I'm using postfix 2.9.6 on Debian Wheezy. I do not allow AUTH on port 25, and force MUAs to use a submission service on port 587 instead. Debian comes with the following ...
0
votes
3answers
38 views

Maintain email timestamp when transferring between email servers using an email client

I am running two different email servers using Postfix and Dovecot. Some of my users have accounts on both servers and sometimes transfer emails from one to the other through their email client. When ...
0
votes
2answers
32 views

Efficient way to get Postfix talk to SpamAssassin

Traditional methods of doing this on SA wiki talk about shell scripts as content filters. Well that's an additional fork syscall on every email and the volume that will flow through the machine is ...
0
votes
1answer
14 views

Adding Reply-To header using Postfix if it does not exist in the mail headers

I would like to add a Postfix re-write rule to insert a Reply-To: header if there is not one already defined. This server is a web server with PHP and Perl scripts, we do not want the mail sent from ...
1
vote
1answer
42 views

550-Verification failed when forwarding email to some servers

I have a Postfix installed and working with SPF check and SRS-rewriting. When it forwards email for an external address, sometimes its smtp denies relaying the mail with the message: Relay access ...
0
votes
1answer
15 views

Using DKIM in my server for multiple domains (websites)

As I couldn't find this exact tutorial in Stack, I share my findings with al of you. I always get things solved thanks to this comunity. Thanks! Original question: I've read the tutorial posted by ...
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0answers
5 views

How to add identity in dkimproxy?

DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=simpel-mailclient.com; h= from:to:subject:message-id:date; s=k1; bh=5eALQvUpOrW373J9iUFeZW p3Nag=; ...
1
vote
1answer
35 views

Does postfix try all MX records by default?

One technique for preventing spammers hosing your SMTP server is to set your lowest MX record to something fake. I'm having an issue with Postfix not being able to connect to the Meaningful Use ...
1
vote
1answer
36 views

How can I disable sending mail through postfix smtp with out auth

I just setup a mail server with postfix 2.6.6 and dovecot. I have the auth related config in main.cf like below: smtpd_tls_cert_file=/etc/httpd/ssl/mail.crt ...
1
vote
1answer
53 views

I can´t send emails server with Postfix in Debian [closed]

im trying to sent mail through php, in a Debian server with postfix, when i run the following script in the server, the code tells me that the email was sent successfully, This is my code: <?php ...
0
votes
4answers
59 views

Configure postfix to block PHP-sent mail() to certain recipients

I'm trying to prevent my CentOS 6.5 server from sending out emails to a certain list of recipients. (dont_contact_me@hotmail.com, dont_contact_me@gmail.com and so on). I've configured postfix like ...
0
votes
1answer
44 views

“Warning: hostname localhost does not resolve to address ::1: No address associated with hostname” inside an openVZ/Debian container

I'm getting the mesage regulary inside mail.log from postfix. In special, but not only, at mails send received mailman. warning: hostname localhost does not resolve to address ::1: No address ...
0
votes
0answers
21 views

how to change postfix mail recipient(To:) when sending to multiple external accounts

I have configured postfix mail server for outgoing mails. This server is used to multiply emails via virtual_alias_maps. x@domain is email account which multiplys emails for aliases, y1@domain2.com, ...
0
votes
0answers
79 views

Postfix: Bounce checking. Emails are piped to php but prevents emails from being sent and received properly [closed]

As I was working, I made a guide of what I was doing, for future use. I have been trying to get this to work for some time and I have gotten the emails to pass through the script. The problem all ...
1
vote
1answer
26 views

Postfix, Dovecot - connection from outside, authentication

I want to run postfix + dovecot on my server. I'm doing it for first time. Postfix and Dovecot works on local - I can connect through telnet, and send/receive e-mails using commands. When I try to ...
0
votes
1answer
49 views

Postfix setup to send to unknown users

Been try to find a similar setup like this but cannot find it or simply don't know exactly what to search for. Scenario: we just took over abc.com email operations, but there is still another server ...
0
votes
0answers
26 views

Postfix trigger script breaking messages

I am trying to intercept messages coming in, run a script on them, and pass them on to MailScanner. For now the script simply reads the message into a file, but when I place that file into ...
1
vote
1answer
49 views

Spf passes or fails depending on receiver address

I have postfix with dovecot set up on Ubuntu 13.10. I send emails via a node application (using email-templates). If I send an email from noreply@mydomain.com to myacccount@gmail.com (email 1), the ...
0
votes
1answer
21 views

Postfix on two servers. Can I route all mail though just one of them?

I have at least two web servers which utilise Postfix to send mail from web applications. One is what I call the 'master' which will remain static and the other is what I call the 'slave', which is ...
0
votes
0answers
13 views

Adjust Authentication-Results header and verify DKIM reports are being send

i'm running OpenDKIM 2.9.1 through Postfix 2.11, using the following configuration. https://gist.github.com/sibok/97a8e33d5f7309b4fa1c As you can see i enabled DKIM reporting but i can't see any ...