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

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1answer
47 views

postfix mail gateway recipient address verification for some domains

I want to do the recipient address verification for some domains, but many domains I want to exclude from verification are subdomains of domains that are being verified and mysql (table where keys are ...
0
votes
1answer
129 views

How to configure postfix/dovecot setup to reject certain mail

I followed this (https://workaround.org/ispmail/squeeze/big-picture) tutorial to set up my mailserver and it works very well. I'd like to be able to reject email from certain users or if it contains ...
0
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0answers
233 views

centos 6.5 postfix postgresql support

i m trying to use postfix with postgres to create a virtual users mail boxes. I get the following errors : fatal: unsupported dictionary type: pgsql warning: process /usr/libexec/postfix/smtpd pid ...
0
votes
1answer
40 views

Postfix store emails

Is it possible to store email message before every check?\ I use postfix -> amavis -> spammassassin -> av So on spamasasin level there no problem, but on when postfix receive message it can reject it ...
1
vote
1answer
158 views

PAM won't authenticate with mysql (make_scrambled_password deprecated)

I have spent some time searching for this and it seems I'm the only one having problem with PAM not authenticating through mysql due to current updates so I thought I will post my problem here and if ...
2
votes
1answer
183 views

telnet unable to connect to remote host

I have installed postfix and devcot on one of my live servers to send bulk mail (system messages on sign-up, wrong passwords etc). I use the php_imap function to check bounces and flag those email ...
1
vote
0answers
73 views

Postfix performance and how to increase my throughput?

What I've read so far: Postfix Tunning Postfix Bottle Neck Analisys The Book of Postfix (chapter 22) I have similar specs to this guy but I'm only able to send about ~1300 emails/hour What I've ...
0
votes
3answers
35 views

How to set up postfix to accept mail for erroneously spelled domain?

Let's say I have an email address, bob@mystudio.com, with a working SMTP server. I want to set up my server and DNS so that if they mistakenly email bob@mystudios.com, it still gets there. I have the ...
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votes
1answer
137 views

Configure Ubuntu 12.04 LTS for Sending Emails for/from Multiple Domains [duplicate]

I have a cloudserver running on rackspace with Ubuntu 12.04 LTS The server is a LAMP stack that runs multiple live websites. Most sites are wordpress while others are PHP with a few scripts that use ...
0
votes
2answers
85 views

Postfix: Filtering Outgoing Mail According to Sender Subnet

I need some specific LAN subnets to send e-mail to only my corporate domain such as printers or kiosks. How it could be possible via Postfix?
0
votes
1answer
112 views

Contact sender via Postfix Mailer-Daemon on “Bad recipient address syntax”

I would like Postfix to generate and contact via Mailer-Daemon the sender recipient when the following case occurs Bad recipient address syntax. I've been reading through Postfix docs but haven't ...
2
votes
1answer
305 views

Postfix TLS connection not verified

  Hi! I am in the process of setting up postfix. What I want to achieve is trusted TLS connection between all internal parties. We deployed a PKI infrastructure with a Windows Server 2012 R2 ...
0
votes
0answers
47 views

Mail Server: Postfix & Dovecot Security

For the fist time I decided to configure my own email server on a VPS from the scratch, I've been following some guides and doing some research but I've some doubts about the security of my Postfix ...
0
votes
0answers
67 views

Postfix claims it can't connect to mysql server through socket even though mysql is up and auth is correct

I have setup Postfix (version 2.9.6) to use MySQL (5.5.35) to get alias > real e-mail. When I try to send an e-mail to the server it outputs the following in the Postfix logs. postfix/smtpd[3297]: ...
1
vote
0answers
795 views

postfix queue active and mail transport unavailable

I am not very familiar with postfix, but I am pretty sure that what I am seeing in my logs is not a good thing, and I was hoping someone here might be able to shed some light on what is going on and ...
-1
votes
1answer
47 views

Make a copy of email using pipe in postfix alongside 1 content_filter

I am using postfix and already usHi. I am using postfix and already using a script as a content_filter which re-injects back to smtpd to all users, but before this happens, I would like to make a copy ...
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votes
2answers
57 views

Why my Postfix is trying to send emails over Google smtp? [duplicate]

Im trying to set to my postfix send e-mails from my server, not from Google SMTP and it keeps trying to send over Google's SMTP: Feb 20 22:04:14 elusive postfix/smtpd[9008]: connect from ...
0
votes
1answer
88 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 ...
0
votes
1answer
74 views

Fedora 17 postfix postgresql support

I have been reading this : http://wiki.dovecot.org/moin.cgi/DovecotPostgresql I decide to use the postgresql instead of mysql Is there anyone who is using dovecot with postifx running virtual users ...
2
votes
1answer
2k views

Postfix - Host or domain not found

I just installed Postfix on my ubuntu, on a local network. On this network, I have an Exchange Server (using domain mail.example.com). I had a problem sending an email to a local address : ...
-1
votes
1answer
48 views

Postfix and Google's MX [duplicate]

I have a VPS server with Google Apps MX records. But as I have a newsletter delivery framework, I cant send over Google's smtp due daily sending limits. That's why I need my server to handle php ...
2
votes
0answers
199 views

How to stop double-bounce FROM sender in postfix

I am getting huge amount of these in my mail log, and unable to find its originator. What could be the reason? Here is log entry: postfix/cleanup[9626]: 4413082E40: ...
1
vote
1answer
68 views

Postfix Thinks VSFTPd is… Postfix?

[root@dc ~]# service postfix status master (pid 1616) is running... [root@dc ~]# ps -FHww -p 1616 UID PID PPID C SZ RSS PSR STIME TTY TIME CMD root 1616 1 0 1794 ...
1
vote
0answers
30 views

How to configure Postfix to only send out emails with a certain header?

I'm setting up a local development VM and I was able to redirect all sent out emails to a local mailbox using virtual_alias_maps with the entry /.*/ username. What I'd like to add is an option to not ...
0
votes
2answers
30 views

Marking emails with DKIM - safe?

Im running an email server as part of a research study. We have subjects connecting and sending email from a variety of clients. One function of this server is to communicate with said subjects - ...
0
votes
1answer
17 views

including an external file in postfix aliases file using “:include:” directive

Some entries in my postfix alias file are static, whereas others are intended to be dynamic, and updated via a cron-job script every hour. I would like to have the static entries be in a file by ...
0
votes
1answer
52 views

postfix: how to set the correct “Content-Transfer-Encoding” for Envelope return messages

Is there a way to force postfix to add a "Content-Transfer-Encoding" line to the header of DSN ("Delivery Status Notification") messages? May be some clients / Groupware systems (like zarafa) have ...
0
votes
0answers
107 views

debian isp3, dovecot / postfix not receiving and sending emails

I have a problem with dovecot on isp config3. Not receiving and sending any email. Smtp and imap connection working. Pls help. Here is the maillog: Feb 18 08:35:05 vm10127 postfix/smtpd[14214]: ...
0
votes
2answers
56 views

Redirect mail from system user account to real email account

First, I would like to thank you for your time. I've come to the following situation: I've got a mail server named mx1.domain.com This mail server is virtual hosting some domains mail accounts like ...
0
votes
1answer
76 views

Scrub header for internal servers in Postfix?

We have all internal Centos servers sending mail to 2 outgoing MX servers in our business. I want to scrub the headers on our 2 outgoing MX servers to remove the information from where they ...
0
votes
2answers
25 views

Postfix : multi user one maildir

I have a problem : i've two domain : domain1.tld and domain2.tld. All my users are created in domain1.tld and i would like that my users could use user1@domain1.tld or user1@domain2.tld for log and ...
0
votes
0answers
71 views

Postfix+dovecot unable to receive mail

I'm having a problem setting up my mail server, im able to send mail, but can't receive, this is the error according to /var/log/maillog : postfix/virtual[4158]: B1C781341D56: ...
0
votes
0answers
31 views

Email being lost from a specific domain

Today I experienced the loss of email from a specific domain. I can initiate the sending of the email from a vendor website, watch it show up in the logs, but it never arrives in my mail client ...
1
vote
1answer
50 views

Postfix with virtual users won't send mail to domainname on server

A debian mailserver with postfix and courier is able to receive and send mail for domains listed in virtual_mailbox_domains without a problem. But if there is a mailadress used that is used during the ...
0
votes
1answer
61 views

Postfix: hostname being stripped due to subdomain

How do you prevent Postfix 2.6.6-2.2 from stripping the hostname off of a server that uses subdomains? FQDN: hostname.dev.example.com Here is what the delivered message contains: From: ...
0
votes
1answer
231 views

Postfix stop working, email stuck in queue

Few day ago i recognize that my postfix have 600 000 mail in queue. The causes was php files in one of my domains. I removed this php files, flush postfix queue and block ip adress which access to ...
0
votes
2answers
472 views

Postfix: Helo command rejected: Host not found

i have a Postfix 2.9.6 running on Ubuntu with the following configuration https://gist.github.com/anonymous/400fb4afa05e18c6da2b and i'm suffering the following issue where a valid client tries to ...
0
votes
1answer
114 views

postfix smtp-auth with dovecot cannot authenticate

On Centos 6.5 i run postfix with postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases broken_sasl_auth_clients = yes command_directory = /usr/sbin config_directory = ...
0
votes
1answer
107 views

Splitting emails for a single domain into two

I have a situation, where i have about 20,000 emails hosted on a server with domain mydomain.com. Out of those 20,000, there are 20 email accounts, for which i want my MX servers, to route their ...
0
votes
0answers
78 views

Amavis log clean passed mails to mail.log

I use amavis on my Ubuntu host to scan emails for spam. Unfortunately amavis log all clean passed mails to the 'mail.err' and the 'mail.log'. How to prevent the 'mail.err' logging? mail.err example ...
0
votes
0answers
371 views

Postfix: reject instead of defer type=MX: Host not found, try again

i'm looking for the postfix directive which lets me immediately reject instead of deferring the following kind of errors: Feb 12 20:03:11 we postfix/smtp[9692]: 5B8CC48DCC: to=, relay=none, ...
1
vote
2answers
372 views

lost connection with mx.servername while performing the HELO handshake

I am new to administering a mail server so I am at a loss when the mail server can send to certain emails like gmail, telus, and shaw but not other email addresses. Just specific ones I guess. Here is ...
0
votes
1answer
109 views

Postfix: Reject reject_unknown_recipient_domain and receive instant email notification

when an email is sent to a non existing domain or recipient, i would like the sender to receive an immediate email from mailer-daemon informing the recipient does not exists. Actually, what happens ...
2
votes
1answer
123 views

Unable to Connect to SMTP Host

I am trying to configure Postfix on CentOS 6 server, and the problem is that I cannot receive mails. I tested it on http://mxtoolbox.com/ and I get an error Unable to Connect to SMTP Host. I check ...
0
votes
1answer
47 views

Postfix-processing incoming email based on subject and saving the email details in db and flag/tag the email in “courierimapkeywords/:list”

can we processing incoming email based on subject and save those matching email details in db and flag/tag the email in courierimapkeywords/:list for the keyword to be used in IMAP client. We need ...
0
votes
1answer
71 views

SMTP Fallback relay server explanation

I am using postfix on Linux redhat server, I can't understand the functionality of smtp fallback relay configured in both main.cf & master.cf Could you please advise?
-8
votes
1answer
110 views

Postfix rejects php mails

I get errors such as Feb 11 05:45:07 htz postfix/sendmail[6465]: fatal: User web6(5006) is not allowed to submit mail Feb 11 05:45:56 htz postfix/sendmail[6466]: fatal: User web21(5012) is not ...
0
votes
1answer
110 views

Postfix mail from outside not received

I am using Dovecot with Postfix and virtual user/mailboxes. Everything works fine accepting receiving mail from outside (other domains named as the mailserver) I am able to: - send mail from my mail ...
0
votes
2answers
53 views

Can I get postfix to drop all mail meant for a specific MX?

TL;DR: can I DISCARD outgoing mail to a specific server by DNS name of the MX record , or failing that, by its IP? We've some 'trouble' (well, more of an annoyance really), of people filling out some ...
1
vote
1answer
55 views

postfix virtual aliasing between two domains hosted on the same mailserver

The situation: I have two domains: domain.pl and domain.com. I configured two emails tom@domain.pl and jerry@domain.com. I also have SSL certificate valid only on ssl.domain.com. The problem: I want ...