Postfix is Wietse Venema's mail server that started life at IBM research as an alternative to the widely-used Sendmail program.

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6
votes
1answer
24 views

multiple clients accessing one email account over IMAP

I am using Postfix + Dovecot + IMAP + Maildir and I am accessing my server from two different machines (desktop and Laptop), i.e. two clients (Thunderbird). The are sometimes running simultaneously, ...
6
votes
0answers
20 views

Multiple instances of Postfix throwing error fatal: unknown service: smtp/tcp

I am trying to configure multiple postfix-2.12 instances on FreeBSD 10.0-RELEASE following the README. postmulti -e init postmulti -I postfix-out -G mta -e create ... This all works I can start ...
1
vote
0answers
17 views

Mail filtering with procmail in a postfix/dovecot system with virtual users

I had a postfix/dovecot system with mail users working. After unsuccessfully following a few tutorials online to enable procmail, now I have an unusable system. What I want is to enable procmail ...
5
votes
1answer
33 views

Postfix: disable authentication through port 25

When using Postfix and IMAP on a mailserver, at least 3 ports are usually opened 25 smtp : incoming emails from anybody (whole internet) 465 smtps : outgoing emails from authorized users (to the ...
3
votes
0answers
27 views

Postfix error: not yet authorized to deliver mail

I am running a private postfix server for my domain mydomain.com, on server 111.111.111.111 (IP and domain sanitized for privacy reasons) I have sent an email to info@example.com which is on server ...
6
votes
1answer
290 views

Mailman / Postfix Configuration Assistance

I am writing for some help regarding Postfix configuration. I cannot seem to get Postfix configured properly to transfer mail to the mailing list installed on the same server. I followed many steps ...
3
votes
2answers
445 views

Use /etc/aliases for outgoing mail relayed by postfix with local domain

I'm using Ubuntu 12.04 with postfix configured as satellite system that relays outgoing mail to Gmail. For sake of example, my registered domain is example.com I want root cronjobs' error output to be ...
1
vote
1answer
441 views

Postfix email bounced (mail for domain loops back to myself)

I have problem when i send a mail to example@orbialia.es for example2@orbialia.es My emails has bounced for this error: status=bounced (mail for orbialia.es loops back to myself) May 9 09:33:58 ...
2
votes
0answers
24 views

Mails from my server goes directly to spam

I am running an ubuntu server with plesk panel, Mails sent from this server goes directly to spam folder. All records seems perfect like spf, DKIM, Domain key, PTR etc.. I'm really stuck with this. I ...
4
votes
1answer
20 views

change smtps port in Postfix

Is it possible in Postfix to specify a non-standard port for smtps? Normally, smtps listens on standard port 465. Standard port is good for publicly used server. But if a server is only intended for ...
5
votes
3answers
76 views

Dovecot ignores settings for mailboxes

I have set up Dovecot on my Postfix mailserver. My mailserver is using Maildir format: home_mailbox = Mail/inbox/ A user's Mail directory looks like this: $HOME/Mail/inbox $HOME/Mail/drafts ...
1
vote
1answer
855 views

Setting up SMTP-AUTH & TLS in Postfix

So I have been in the process of installing a Postfix Server on my CentOS 6.2 Virtual Private Server. I have been following this tutorial: ...
2
votes
2answers
362 views

fetch data from Incoming mail in postfix

I have configured postfix for my kk.com domain successfully. Now I want to add function as described in the following example: If someone mails me at admin@kk.com, one php script will fetch ...
2
votes
2answers
1k views

CentOS 6.4 Mail Server

I'm trying to install a mail server on my root server. I'm relative new to Linux but not a absolute beginner. There are many many how to's on the internet I tried to get my own mail server with ...
1
vote
0answers
19 views

How to force email into queue?

I'm writing an application for Linux, and it needs to interact with the mail queue. Is there any way to force a message to be deferred?
2
votes
1answer
298 views

Restricting who can send to an email address

I'd like to do so that only certain From: addresses can send to an email address (mailing list) on an Ubuntu system running Postfix. Understanding the Postfix the manuals are requires a lot of ...
0
votes
1answer
704 views

SMTP issues - unable to connect : CentOS 6.5, Postfix, Dovecot, MySQL

I'm trying to setup an email server on a CentOS system with Postfix, Dovecot and MySQL. I'm following this article for an Ubuntu system: ...
1
vote
2answers
529 views

Thunderbird fails to connect to Dovecot and Postfix

I set up Dovecot and Postfix, but when I try to authenticate with Thunderbird, it gives this error: "Thunderbird failed to find the settings for your email account." ==> /var/log/dovecot-info.log ...
4
votes
2answers
443 views

configure postfix to accept mail from two WANs

I have a mac server but my question has long left the realm of the GUI. My last hope is a unix forum. I have a cisco router with two WAN ports. The mac uses postfix 2.8.3. I have correctly ...
2
votes
1answer
565 views

Mail forward: 550 5.7.1 Anonymous client does not have permissions to send as this sender

I want to install a small mailing list that forwards mails related to a specific project to all project members. So, lets say there are two members in that project userA@mailA.tld and userB@mailB.tld, ...
4
votes
2answers
7k views

“IPv6 support is disabled” warnings

I get the error while running a script which tries to send emails. send-mail: warning: inet_protocols: IPv6 support is disabled: Address family not supported by protocol send-mail: warning: ...
1
vote
2answers
1k views

sending email to IP address via postfix

My friend and I have configured two Postfix mail servers on our laptops. We succeeded in sending mail to a real network (to some Gmail accounts) from our computers; that was the easy part. We now ...
0
votes
0answers
19 views

firewall and SElinux disabled for postfix for configuration troubleshooting

Why would you disable your firewall and SElinux for postfix and not re enable after configuration? Also why would I have no conf file in SElinux folder only these restorecond.conf ...
1
vote
2answers
2k views

Postfix, Amavis-new, ClamAV: Permission denied. ERROR

Error lines in /var/log/maillog Sep 22 12:08:20 sun amavis[4493]: (04493-09) (!)run_av (ClamAV-clamd) FAILED - unexpected , output="/var/spool/amavisd/tmp/amavis-20130922T052321-04493-crApLkq5/parts: ...
1
vote
1answer
56 views

How to make postfix create maildir?

How do you make postfix create maildir folders automatically for all users? I have these two lines in postfix main.cf, which supposed do create maildir folder after the first mail but it is not ...
1
vote
1answer
29 views

How can I determine the cause of CF card corruption?

I installed qnx in my CF card and made it bootable and it was working well. However, yesterday it stopped working while my system was running. Checking the filesystem revealed that it was corrupted. ...
2
votes
0answers
147 views

Impossible to send mail to microsoft (hotmail, live …)

I cannot send mail to hotmail with my postfix server. I can send and receive mail from gmail and others, but not hotmail. I made an "Authentication Report" on auth-results@verifier.port25.com: ...
1
vote
0answers
52 views

postfix expand ldap group AND afterwards resolve alias

We have a postfix server which has the user config stored in a openldap directory. Recently we also implemented ldap groups which are expanded by postfix. This works fine, unless the group expands to ...
0
votes
0answers
8 views

Exchange NDR Hybrid Setup

NDR changed within hybrid messaging solution . Hybrid of Exchange Server + open sources base Mail Server (using postfix , Cyrus IMAP , etc) unable to view "Email id Or Users ID" in Bounced ...
1
vote
2answers
2k views

Helo command rejected: need fully-qualified hostname Error

My mail server is in some blacklist cause of spams. I reconfugured postfix. Aften then My customers get this error they can't send emails. 404 4.5.2 <PLLAMNAZIFE>: Helo command rejected: need ...
2
votes
1answer
793 views

Postfix: force local users (PHP) to use the SMTPD for outside recipients

My server has been hacked and was sending lots of spam over the Internet. The first thing I did is shutdown postfix, close the outgoing port 25 and take the time to clean the website, the postfix ...
1
vote
0answers
75 views

can't receive mails to thunderbird via postfix local server

A small introduction. I have a SMTP server ( Haraka - http://haraka.github.io/ ) on port 25 and a local postfix server on port 9267. I intercepts mails in Haraka and then I send them to my postfix ...
6
votes
1answer
412 views

Postfix configuration - keep the envelops

I have a postfix server that delivers mail and send a copy of the outgoing mail to a second server for content analysis using the following configuration (addresses and IPs have been replaced): ...
0
votes
0answers
28 views

Postfix does not respond after “Mail From”

I have a VPS with Linux on it, and Plesk. The /proc/version file has (Red Hat 4.4.6-4) in it. The mailer is Postfix, but it isn't working, if I telnet in to port 25: I Get the banner I do HELO I ...
0
votes
1answer
21 views

Whitelist virtual_alias_maps

I have one mailbox in postfix and several aliases to it. Is it possible to create whitelists for specific alias in order to allow only the addresses from the list to send messages. For example: ...
0
votes
1answer
54 views

Manually interacting with postfix mail queue

I need to manually be able to interact (check, remove, etc) with the postfix mail queue (through scripts and what-not). I know that this generally is a bad idea; so how can I interact with the queue ...
2
votes
1answer
59 views

Block local (unix) users from sending mail

Is there a way to block a local/unix user (or a list of local users) from sending mails via mail command (or maybe even in postfix, which is the MTA I have).
1
vote
0answers
28 views

Deliver emails outside network, from a server behind router DNS and port forwarding

I've been trying to configure webserver to deliver emails outside the local network. Server is connected directly to the router and relay on its DNS service, and one of that online service for resolve ...
5
votes
1answer
151 views

simple script for monitoring a mailserver

I would like to use a simple bash script (python would be second best) to monitor regularly (hourly) if my mailserver is online and operating. I know that there are dedicated solutions for this task ...
2
votes
1answer
89 views

Postfix Relay Multiple Domains with Multiple Origins

I currently have Postfix relaying multiple hosted customer solutions which all works as expected. There are no local accounts and it is used solely as a relay server. In the config I have the ...
0
votes
0answers
173 views

php Mails not send with in domain

My setup : Our current server 90.0.0.50 [example] which is containing domain testdom.com. testdom.com's MX record points to Google mail. Due to some issues we need to host our domain on some other ...
1
vote
0answers
49 views

Postfix/devcot MailServer - not receiving emails

I'm new to linux and unix in general, I've worked with a shared hosting provider over the years where everything was setup for me, including email. I'm now trying to create my own mail server in my ...
0
votes
0answers
130 views

Postfix: restrict all external access but allow for only mynetworks

How can I restrict access for an internal domain but allow all access for me the administrator? All users should be blocked from communicating outbound and no external domain may contact them, but I ...
1
vote
2answers
924 views

My Postfix installation is sending out spam; how to stop it?

Since a few days, my web/mailserver (centos 6.4) is sending out spammails by the bunch, and only stopping the postfix service is putting an end to it. SMPT is set up to only accept connections over ...
2
votes
1answer
129 views

How do postfix and mailx interact with mbox locking?

If postfix is setup as the MTA using its virtual transport to deliver mail to a local mbox file (and handling delivery of outgoing messages), and mailx is the MUA, being used on that same computer for ...
1
vote
1answer
82 views

Create a Filter for Postfix on Virtual Mails

This is what I am trying to do: I have a server using Postfix on a Ubuntu precise 64bits and I have a table list of emails in /etc/postfix/virtual, like this: artz@mydomain.com artz@gmail.com ...
0
votes
3answers
426 views

How to install postfix for sending mails to admin only?

I have a VPS running Ubuntu 13.10 on Digital Ocean. I'd like to install postfix on the server, but I want it to be able to send e-mails only to my e-mail address whenever a system message wants to be ...
0
votes
1answer
19 views

Disabling sentbox in postfix over Squirrelmail

I have installed POSTFIX over Squirrelmail on CentOS Linux... The services I have ran are: service httpd service ssl service mysql service postfix service saslauthd service dovecot But I want to ...
1
vote
1answer
40 views

How to get list of members subscribed to a list - Mailman

I have an Ubuntu server with Postfix and the Mailman list manager. My server stopped working, so I need to find a way to list the emails registered on the list of the Mailman. Note: I was able to ...
0
votes
1answer
54 views

Routing an Email from my server

I am a C# programmer and doing an internship as a programmer, where i have to work with linux, which I've never done before. I have installed and configured postfix successfully on a Linux server ...