Free and open source mail transfer agent (MTA) that routes and delivers email. When asking about postfix problem, please include the relevant maillog lines and output of the following command: "postconf -n" (content of main.cf) and/or "postconf -M" (content of master.cf)

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1k views

Can't send emails using client with postfix (time out)

I've set up postfix on my VPS so that I can send/receive emails. Accessing emails through SquirrelMail works fine - I can both send and receive emails. However, using an email client (Thunderbird) I ...
0
votes
1answer
688 views

How to Isolate source of spam on Centos 6.3 Plesk 11 server

Been spammed and the header is showing: X-No-Relay not in my network X-No-Relay not in my network X-No-Relay not in my network X-No-Relay not in my network X-No-Relay not in my network Received ...
0
votes
1answer
699 views

Telnet to new SMTP server port 25 times out

I just got Postfix 2.9.6 up and running on a Debian 7 Wheezy server and I can send and receive mail to the outside world but I'm unable to login to the SMTP server. I've tried telnet, first by ...
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votes
1answer
278 views

How to increase the speed from Interspire to postfix MTA?

Currently I'm getting a speed of 5 emails /sec from Interspire to postfix server. I tuned each and every parameter to the max level, even then didn't get any increase in speed. Here I'm pasting my ...
0
votes
1answer
222 views

Postfix can't write queue file

We had a problem with our mailserver lately: Setup: Server with Raid 1 running XenServer VM with Mailserver What happend? 1 disk failed Raid-Controller locked the disks so nothing could be ...
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votes
1answer
580 views

Can't connect to Postfix/Dovecot with Airmail.app but I can with Mail.app (Connection refused?)

So I installed Postfix, Dovecot and MySQL as per this guide: https://library.linode.com/email/postfix/postfix2.9.6-dovecot2.0.19-mysql Uses encryption and only SSL and seems like a newbie way of ...
0
votes
1answer
194 views

Load balancing of recipients email adresses on Linux SMTP servers

Background information: We are a provider of web-hosting and email (among other services) and we need several load balanced SMTP servers to fix all our customers needs. The problem: Every once and a ...
0
votes
1answer
478 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 ...
0
votes
1answer
245 views

Postfix blacklist not working

I am trying to blacklist some email addresses but I simply can't get postfix access to work. Can some point out what I might have don't incorrectly? Added smtpd_recipient_restrictions = ...
0
votes
1answer
128 views

Email host rewritten by sendmail/postfix

I have a Postfix mail server running, and I'm trying to understand why emails sent to myself@example.com are actually sent to myself@some-server.example.com instead. On the command line, I send a ...
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votes
1answer
510 views

SMTP Authentication issue on a postfix/dovecot setup

I have just setup my debian mailserver using postfix, dovecot and SASL as explained in this excellent tutorial. I have used postfixadmin to setup a virtual list of aliases for sending user@domain.com ...
0
votes
1answer
108 views

Possible spam emails from our server but not from our domains

I encountered something weird with my mail server. For about 3 days now I am noticing that my mail server sending emails that aren't included in my domains. There are from different IPs different mail ...
0
votes
1answer
381 views

Authentication issue with mail server

I followed the instructions at https://help.ubuntu.com/community/PostfixCompleteVirtualMailSystemHowto to setup a smtp and imap server on my local network. But when i try to login with thunderbird ...
0
votes
1answer
271 views

Manually set Reply-To header in postfix

I have a legacy application that emails via php. 5% of the emails aren't going through. The solution is to route all email through a fancy verified mail server like Amazon's SES. I am having some ...
0
votes
1answer
72 views

Invalid user when sending emails

I have a Ubuntu server with Postfix and Courier (both appear to be running fine). We used to have a control panel provided by our host but after upgrading the server it's no longer available. But now ...
0
votes
1answer
182 views

Backup postfix relaying to itself

I have two machines running postfix, one is the primary mail server, the other is a backup relay. Both servers have an MX record, the backup having a lower priority. Most mail is relayed fine, but ...
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votes
1answer
34 views

Dovecot-core fails to start

I am attempting to follow this tutorial: https://www.digitalocean.com/community/tutorials/how-to-configure-a-mail-server-using-postfix-dovecot-mysql-and-spamassassin I believe someone before me ...
-1
votes
1answer
52 views

Telnet Port 25 responds via localhost but not remotely

I just set up Postfix + Dovecot on Ubuntu and it doesn't seem to behave 100% as expected. If I run telnet localhost 25, I get: Trying ::1... Connected to localhost. Escape character is '^]'. 220 ...
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votes
1answer
44 views

Postfix relays to wrong host

A recent bounced mail sent from our Ubuntu server is puzzling me. Apparently, Postfix tried to deliver a mail to ___@ofir.dk through Hotmail: Mar 15 01:47:37 flap postfix/pickup[1561]: ...
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votes
1answer
52 views

postfix conditional canonical maps

i have a postfix MX and i need to make the following logic: if a message arrives with aaa@example.com in the rcpt to header, then i need to change the from header to bbb@example.com. any ...
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votes
1answer
65 views

Sending emails from non-configured domains with postfix/dovecot

I am trying to setup a mail server with postfix/dovecot. I can currently receive emails and send emails from domains that I have configured. I have a lot of domains and my email setup is simple - ...
-1
votes
1answer
134 views

Secure postfix smtp from spammer

I run on Centos 5 with Parallels Plesk 12 and look for to secure my smtp server. When I watch at log, I see some strange line like that, which I supposed it's hack connexion. Has someone any idea on ...
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votes
1answer
198 views

Swiftmail cannot use sendmail/postfix

When I try to run some Kohana swiftmailer I get the following error in maillog: Jul 23 17:18:37 ads postfix/sendmail[5818]: fatal: execv /usr/libexec/postfix/smtpd: Permission denied The output of ...
-1
votes
1answer
184 views

Postfix + Mailq: Mailbox Full no bounce

I have a mail server and alot of clients. Some of my clients have many email accounts and dont use some of them. So, I have alot of mailboxes full, which receives dozens of emails every day. So, my ...
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votes
1answer
61 views

Sending mail via PHP gives fatal error in postfix

Any idea why sending mail via PHPs mail() function gives the following error in postfix: fatal: no login name found for user ID 6000. 6000 in this case is the user I have configured in the PHP-FPM ...
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votes
1answer
704 views

Postfix virtual domains and Cyrus for imap

I am setting up a email server on a centos box where I am using the virtual(8) delivery agent within postfix so that I dont need to create a unix user for each email address, and I have set up Cyrus ...
-1
votes
1answer
1k views

“Postfix SMTP server: errors from *” repeated automatic response

I'm attempting to setup a mail server with Postfix and Dovecot. It's not really working all that well, but there's something more urgent I'd like to get fixed first. I sent a few test e-mail ...
-1
votes
1answer
744 views

Postfix/Dovecot cannot receive email from external sources

HELP! Haha. I recently was an idiot and foobared my server. I had a mail server running on it. On my new server, i am trying to set it back up and I cannot get it to work. I have almost the same exact ...
-1
votes
1answer
201 views

Automatically whitelist Postgrey for outbound email?

I have a mail server with Ubuntu Server 12.04, Postfix, Dovecot, and Postgrey, using MySQL (MariaDB) and managed through Postfix Admin. I am looking for a way to automatically add outbound email ...
-1
votes
1answer
88 views

Configure postfix to view catch-all address in mail header

I configured catchall for postfix as follows: # vim /etc/postfix/virtual @example.com test So if we send mail to xyzjsdv@example.com will get delivered to test@example.com. But the problem was it ...
-1
votes
1answer
349 views

working mail system (real users) switch to virtual users Postfix+Dovecot+Roundcube Debian Wheezy

I have a working configuration on a Debian Wheezy VPS of: postfix 2.9.6 dovecot 2.1.7 (imap and pop3 but only use imap) roundcube 0.9.5 This is using real mailboxes (i.e. my linux ...
-1
votes
1answer
99 views

Allow spoofing on postfix server

I'm trying to set up help desk software which requires the ability to change the headers of a message (aka 'spoof' it). Right now, my mail server is configured to use SASL and requires authentication ...
-1
votes
1answer
115 views

dovecot and postfix from debian repository

I installed dovecot dovecoot-mysql postfix and postfix-mysql from debian repository 7. I start them with /etc/init.d/postfix start and /etc/init.d/dovecot start but When i use nmap localhost I see ...
-1
votes
1answer
1k views

Postfix smtp mail to external hosts not possible

I administer a server (Ubuntu 12.04 LTS) running a web server and a mail server - The web server is running all fine, but the mail server is a problem. I have Dovecot installed and configured ...
-1
votes
1answer
357 views

How to do Postfix accept outgoing mail from another internal servers

I have a MTA with Postfix SSL/TLS configured and sending messages perfectly fine. In the same internal network, I have other servers that I want to send mail through this MTA. In main.cf variable ...
-1
votes
1answer
140 views

Setup Postfix and Dovecot with mysql but can't receive mail for users defined in database

I setup Postfix and Dovecot with mysql but can't receive mail for users defined in database. Actually I can login to webmail and even send mail. Remote host said: 550 5.1.1 ...
-1
votes
1answer
296 views

Something keeps connecting to Dovecot and Postfix

My Dovecot mail server and Postfix MTA seems to be generating logs about attempts to login from localhost. How could I investigate this issue? Log excerpt: Jun 8 09:36:31 mailserver ...
-1
votes
1answer
282 views

Postfix Relay access denied in centos

I have install postfix in centos 6.4 server and made changes in main.cf file like this. nano /etc/postfix/main.cf myhostname = server.kavirajan.com mydomain = kavirajan.com myorigin = $mydomain ...
-1
votes
1answer
161 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 ...
-1
votes
1answer
37 views

Why does my mail server reject mail from a particular domain?

Below is an excerpt from the log: exchngdel postfix/smtpd[11617]: NOQUEUE: reject: RCPT from unknown[220.77.94.202]: 554 5.7.1 <unknown[220.77.94.202]>: Client host rejected: Access denied; ...
-1
votes
1answer
86 views

storing bounce notifications in database

I want to get the error code and the bounced mail when a bounce occurs. I have added content filter below bounces in master.cf and created a piping. I created a transport map in main.cf and I ...
-1
votes
1answer
181 views

Procmail Postfix issue

Our server is using CENTOS uses postfix: Nov 1 11:31:52 webserver postfix/smtpd[30424]: 822A91872F: client=unknown[5.133.168.42], sasl_method=PLAIN, sasl_username=ashley@website.co.uk Nov 1 ...
-1
votes
1answer
110 views

Postfix mail server - forward email on failed delivery

Just wondering if there was a way to setup in Postfix mail server a 'redirect' email address if any emails fail to deliver to any of the intended recipients?
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votes
1answer
476 views

Postfix “Relay access deined” error with Outlook

I am following this tutorial and finished the basic setup. I can login and send via squirrel mail and telnet but receive a "relay access denied" error in the logs when i try and send from Outlook. all ...
-1
votes
1answer
185 views

Dovecot problems downloading mails

When I run telnet localhost imap2 both from localhost, using IP from external, mutt -f imaps://lasse@"mydomain"@localhost and using webmail, I can view my messages. But If I run mutt -f ...
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votes
1answer
215 views

Cascading smarthost in postfix failed

For some reason, we have three MTA namely MTA-A (IP:10.1.8.1), MTA-B (IP:10.1.9.1), MTA-C (IP:10.1.10.1):- MTA-A is a MX exchange which is responsible for local delivery only MTA-B is a MTA ...
-1
votes
1answer
1k views

postfix, relay local domain

I have virtualmin and settings on virtualhost: mailname and hosts mydomain.com I have all my emails accounts on gmail e.g. support@mydomain.com However when sending emails in Joomla (PHP Mail ...
-1
votes
1answer
44 views

Mails from specific mailaddress cannot be delivered through mailing list(mailman)

I got some troubles. Mailing lists of mailman cannot receive mails from only my mail-address. I stated trouble details in the following. The server have mailman software. Any lists created on the ...
-1
votes
1answer
214 views

Problem with e-mail server

I follow this tutorial step by step and in the end http://wiki.mediatemple.net/w/DV:Install_Postfix_on_Ubuntu#Configuring_TLS_and_SASL_authentication and i can make mi server work correctly the ...
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votes
1answer
383 views

configure postfix to put the incoming mail into folder instead of send it to another machine

We have an webmail service. Now, the MX record is postfix server (configured as domain relay) that check the mail with amavis, spamassain and clamav, and after that the postfix server (or the ...