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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1answer
4 views

IMAP Dovecot cannot connect

I am trying to set up my own mail server (for 'fun'). I followed this tutorial to the bone. But I get this error message: imap-login: Disconnected (auth failed, 2 attempts in 9 secs): ...
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1answer
746 views

Upgraded to Ubuntu 14.04 - Mail server missing dovecot-lmtp even though it is installed

So I upgraded to Ubuntu 14.04.1 from 12.04 the other day. Easy upgrade process. Everything worked fine except for my mail server stopped receiving mail. The logs show the mail arrives and is ...
1
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1answer
1k 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 ...
1
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1answer
12 views

Tool for migration of service configuration

Is there a tool that handles generic migration of config? For example if I have httpd, postfix, MySQL and users and groups data, is there a tool that can extract the config data for each service so ...
2
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1answer
1k 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: ...
4
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4answers
10k views

How to create Maildir directory with enough permissions for Postfix?

I have CentOS 5.5 with Postfix installed on it. I want to use local delivery agent with default setting, but I want it to store mail with Maildir directory style mailboxes. When I set the mailboxes ...
1
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2answers
31 views

Migrate from Sendmail to Postfix

We have an HP-UX environment running HP-UX 11.31. The system was originally built to send email out through Sendmail. The server only sends email out, and the programmer has built a number of programs ...
1
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2answers
85 views

postfix multidomain myhostname configuration

I have two IP address running on Postfix and each IP has own domain. In short i want to isolate domain so outside folks think it is running on own IP and fully isolated even PTR also But in postfix ...
1
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3answers
128 views

Run script on receipt of email

I run a Postfix/Dovecot mail server for personal use. There's only a handful of actual mailboxes, essentially just postmaster@domain.com and username@domain.com. I frequently use the virtual file to ...
1
vote
1answer
539 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 ...
3
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2answers
578 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
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1answer
21 views

can i get imap access using just postfix and mailx?

I have postfix and mailx installed on a CentOS 7 server. I am able to send and receive email from the command line using the mailx command. I am also able to read email in each user's inbox using ...
3
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1answer
490 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 ...
-1
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3answers
100 views

unable to view postfix email from centos 7 command line, why not?

I have postfix installed on a development box and I used the parameters from this other posting to configure postfix to work on localhost only. But the other posting does not explain how to send ...
1
vote
1answer
51 views

Relay access error when I try to send mail from outside to postfix

I run a debian 7 system and I run postfix as smtp server. I can send mail from postfix to outside (even though it gets to spam folders by google) but when I try to send a mail from, lets say my google ...
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0answers
20 views

Postfix multi IP/Domain SMTP Helo'ing

We have Postfix running with two domain and each domain has own IP so it's isolated. But Spamhuaus blocked my IP and saying you are sending "localhost.localdomain" HELO I am already using ...
4
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2answers
485 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
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1answer
1k 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, ...
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0answers
39 views

hooking up dovecot/postfix to mysql on CentOS 7

On a CentOS 7 web server, a java web application with a mysql database needs to be able to process incoming email. This means that each email message received by a specific email address needs to be ...
0
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1answer
52 views

How can I programmatically access the contents of a Dovecot mailbox in CentOS 7?

I just set up postfix and dovecot on a CentOS 7 server using this tutorial. I am able to successfully create a mail record using echo "TEST" | mail -s "testmail" youruser@localhost && tail -f ...
3
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1answer
102 views

ACL/MAC Permissions for dovecot and postfix in CentOS 7

I am using this tutorial to set up Postfix and Dovecot on a CentOS 7 web server. But when I try to send a test email using sudo echo "TEST" | mail -s "testmail" newuser@localhost && sudo tail ...
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2answers
2k 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
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1answer
56 views

Force sending emails on port 587

I have an email server that is running postfix and dovecot for emails. Receiving emails works just fine, however my ISP blocks port 25. I'm trying to use either TLS or SSL to avoid this. The problem ...
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0answers
30 views

/private/var socket not created with postfix/dovecot sasl

I'm currently running into a problem I have with my email server. I try to setup Postfix and Dovecot with SASL authentication but I get the following error when I connect with telnet (port 25) to the ...
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1answer
44 views

Stopping postfix - are messages queued when postfix is idle?

I am running some scans on my server tonight and would like to disable email notifications since there is a chance for a LOT of them to be sent out. I am planning to issue service postfix stop ...
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0answers
29 views

Postfix - send email from catch-all adress

I have a domain with a catch-all address. Let's say every mail with @example.com as destination-domain will be routed to my primary address. That is working fine with postfix and virtual addresses. ...
2
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1answer
39 views

is there a way to stop users sending to unwanted email accounts?

I want to set a command that only allows users to send emails to accounts ending in @hotmail.com @gmail.com @talktalk.net for example. Is there a way to set it so users can only enter these ...
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0answers
80 views

Setting up a highly available Mail service with Postfix and ISCSI

in an academic project these days we've got to set up a highly available Mail service with ISCSI and Postfix... For now i have a highly available ISCSI SAN and also a highly available Postfix server, ...
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0answers
45 views

ZIMBRA 8.5.1 : error: unsupported dictionary type: LMDB

We upgraded the Zimbra from version 8.0.5 to 8.5.1 as in these below steps. su zimbra echo smtp.DOMAIN.com UN:PW>/opt/zimbra/conf/relay_password postmap lmdb:/opt/zimbra/conf/relay_password ...
2
votes
1answer
56 views

Rewriting from header when forwarding email using Postfix

I'm sending email using Postfix on my Debian server, which is working fine. Now I want to receive email by forwarding all incoming email to my email address (which is not on this server). I got this ...
0
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1answer
74 views

No Sendmail but ISPConfig Postfix

This is what php uses to send php mail with the php mail() function: ; For Unix only. You may supply arguments as well (default: "sendmail -t -i"). ...
2
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1answer
38 views

postfix virtual domain on specific IP address

We are running postfix with single domain (example.com) currently and we have appropriate PTR record for that. Now we want to add one more domain but i want to isolate that domain totally, Even i ...
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1answer
56 views

Is it safe to remove “received” header?

Is it safe to remove "received" fields created by my mail server for all outgoing mail? For example like this (all "received" headers from my server are deleted by postfix "smtp_header"checks"): ...
2
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0answers
71 views

How should I deal with smtp_relay_restrictions in postfix?

I just setup a mail server with postfix and dovecot, now I'm having trouble sending emails with evolution. e.g When I send an email to to@gmail.com, I got an error: NOQUEUE: reject: RCPT from ...
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0answers
12 views

Postfix: Map display name with smtp_generic_maps [duplicate]

I have a server where I have postfix configured to relay all mails to a smart host. Even mails sent from local accounts to local accounts. Furthermore all mails sent to local accounts are mapped to a ...
1
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1answer
42 views

How to mark read mails as unread in Postfix

In our postfix server, the mail directories cur and new are under /home/<user>/Maildir. I don't have much of an experience with mail servers, but I am aware that new e-mails land in the new ...
2
votes
1answer
46 views

How to configure SMTP with postfix with user and pass

I'm looking for a way to enable postfix (or any other mail delivery system) in which I can easily have aliases (user and domain aliases), and in which I can have an external user send mails through ...
1
vote
2answers
71 views

Postfix trivial-rewrite expands recipient incorrectly after virtual aliasing is done

I host a handful of domains on a single box (Linux, Ubuntu 13.x) and am attempting to use Postfix 2.10.2-1 to route mail to them. (I used sendmail for the past 10 years, so this is new to me.) All ...
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0answers
57 views

Unknown user in postfix (virtualmin)

I'm getting these mailer daemon errors when receiving email to support@domain2.com. Both domain1.com and domain2.com are main level domains in virtualmin. I can't understand why domain1.com is ...
0
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1answer
167 views

mailx: nss-config-dir=/etc/pki/nssdb/: No such file or directory

I am trying to send email using mailx using remote SMTP server (in my case it is office365 SMTP Server). Here is the command: # echo "THis is the Body of the email" | mailx -v -s "This is email ...
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0answers
123 views

Logwatch is not sending mail to my email address on CentOS

I assume logwatch is using postfix because this is what I see in the log files.. 2014-11-03T15:01:35.509850+11:00 workshop2 postfix/smtpd[7048]: disconnect from ami[127.0.0.1] ...
1
vote
1answer
66 views

Postfix no longer logs to /var/log/mail after it has been deleted and re-created?

I accidentally deleted the /var/log/mail file. Until that point I was able to monitor it using postfix stuff. Now, it seems that Postfix doesn't send its logs to /var/log/mail, since the file is not ...
3
votes
1answer
119 views

My IP is blacklisted for sending spam, logs aren't showing anything

I have Ubuntu server which is more or less acting as a web and mysql server. There is no postfix or anything similar installed. With a help of Virtualbox there is also virtualised Ubuntu server which ...
6
votes
1answer
334 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 ...
1
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2answers
81 views

Redirect specific e-mail address sent to a user, to other email-recipients

I'd like to know if it is possible to configure postfix to redirect to many email addresses (including the original recipient) instead of only one? Here is my scenario: When an e-mail is: Sent from: ...
1
vote
1answer
474 views

How to configure sendmail.postfix to relay on exchange 2010?

I'm currently trying to figure out how to configure sendmail.postfix in Red Hat 6 to work with exchange 2010 relay. I've already configured our exchange server to allow our web server to relay. What ...
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0answers
43 views

Dovecot/Postfix and mail vmail directory

I've setup a Postfix/Dovecot mail server. I'm using Postfixadmin to set up a SQL users database. My question is If I ever migrate to another server and I don't have the /var/vmail directory ...
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0answers
113 views

Postfix unable to send mail from mydomain only

My domain DNS is served by the domain registrar. I am able to send mail successfully from any address with postfix but not from mydomain.com From this machine - I only want to be able to send mail. ...
2
votes
2answers
439 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 ...
3
votes
1answer
193 views

Disable postfix HELO checks completely

I'm trying to set up a mail relay for a cranky old voicemail system. I set up postfix on a vm, enabled relaying, verified that I can telnet to port 25 from the same subnet and send mail wherever I ...