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

learn more… | top users | synonyms

0
votes
0answers
2 views

Is it possible to redirect root email to axigen internal e-mail?

For a few month I've been using Axigen webmail as my main e-mail server. For the last month I was looking for a way of redirecting my root e-mail, as well as my crontab outputs into an internal ...
-1
votes
0answers
13 views

Which is a cheaper smarthost for alert messages on AWS: SES or or Gmail? [on hold]

Like I imagine many startups, we use Gmail for business email and AWS for our VMs. For infrequent automated messages from AWS, which is cheaper (e.g. free): Amazon's sessmtp or a Google gmail relay as ...
1
vote
1answer
28 views

Postfix using external smtp server problem

I am not sure if this is the right stack exchange for my question, there are multiple stack exchange were my question might fit. I have setup my postfix configuration to send my emails through an ...
-3
votes
0answers
16 views

How do I resolve postfix installation issues? [closed]

There is some problem with postfix. When i try to remove it so that i can reinstall: learner@juggernaut:~$ sudo apt-get remove postfix Reading package lists... Done Building dependency tree ...
3
votes
2answers
43 views

Forward Postfix mail based on regexp

We are buildng a ticket system using PHP. We have now bumped into the problem of identifying customer replies. Placing an id in the subject will not do because users could remove this. Posting an id ...
4
votes
2answers
27 views

Change user maildir to custom location upon creation of the user

I use Ubuntu 14.04.3 LTS . How to change the location of the Mailbox /home/user/Maildir/ to /Location/Mail/? I dont have to create home directory for that user. I did some changes in the ...
1
vote
2answers
29 views

Postfix: Remove References to Server Software

Every time my postfix servers sent emails at the destination the emails headers include the following: by suppaserver.example.dev (Postfix) with ESMTPSA id 79D412E1A3A How can I remove the ...
1
vote
1answer
25 views

Postfix: Users impersonating other users at same domain

I've a postfix email server running and everything was fine... well until someone decided to impersonate other users. The current situation is: user1@mydomain.dev can send email with a faked from ...
0
votes
0answers
30 views

Mark emails on my mail server as read

I have a Virtual Private Server, running a mail server for my domain. I use postfix and dovecot. I'm using IMAP. On my MacBook, I can retrieve my mails using the default app Mail. However, every time ...
1
vote
0answers
11 views

postfix forward throttling

I have some problem with throttling for my mail system. main.cf initial_destination_concurrency = 1 default_destination_concurrency_limit = 1 default_destination_recipient_limit = 2 ...
3
votes
2answers
23 views

Control character handling in cron/mailx

I have a cron job which runs a long script producing lots of output. Some of the output is lines delimited by single carriage returns; when run from the command line, these make the successive lines ...
1
vote
0answers
12 views

Scan outgoing Postfix email for spam with Spamassassin

Is there a way to filter outgoing Postfix email for spam possibly with Spamassassin? I found this answer about how to do it with Amavis but it's terribly outdated and not very well explained.
1
vote
1answer
44 views

postfix log messages: RBL lookup error: Host or domain name not found

I'm finding quite a few of these types of messages in my postfix log: 17:40:55 smtpd: warning: 34.77.82.185.b.barracudacentral.org: RBL lookup error: Host or domain name not found. Name service error ...
2
votes
0answers
25 views

Postfix: Outgoing Email Filter + Deliver sent email to a folder

I'm running a filter for incoming email on Postfix that basically sends the email through SpamAssassin and then delivers it to the user by using dovecot-lda. This is happening by editing Postfix's ...
2
votes
1answer
24 views

Mutt and Postfix : relay access denied

I try to send mail with Mutt through my own mail server. My mail server run Postfix and Dovecot, I configured it by following this tutorial. So, I can send / receive email on my server with Gnome ...
1
vote
1answer
26 views

Serve mail for multiple domains on a single server?

I am running a Debian Jessie 8.1 server with a functioning postfix, dovecot, and suirrelmail/rainloop. I have multiple domains on the server. The main server domain is set via example.com.vhost ...
1
vote
1answer
45 views

Postfix virtual aliases & domains?

(I am a Postfix newbie, was using Exim -which I don't master well- poorly till a recent system update on my VPS; but I am using Linux since 1995 and Debian since end of previous century on my home ...
3
votes
0answers
30 views

Postfix rewriting subject for specific addresses

I would like to add a tag to all email messages sent to a particular address. I have tried to copy examples from the web, but can't seem to get it working. Here's what I've done so far: Add to ...
1
vote
0answers
17 views

Problem in sending email from postfix

I have followed an online guide to install and configure postfix with dovecot in CentOS 6. Now I can login on the POP3 server from Thunderbird but when I want to send email the following error ...
3
votes
1answer
60 views

Adding reply-to header for simple postfix mailing list

I have a postfix with the following in /etc/postfix/main.cf: virtual_alias_domains = hash:/etc/postfix/mydomains virtual_alias_maps = hash:/etc/postfix/virtual These specify the domains set up for ...
2
votes
0answers
36 views

Hosting Dovecot and Postfix Behind nginx?

So I'm looking at setting up postfix and dovecot on a server that is currently hosting some web-sites via nginx, and I've stumbled upon the mail {} configuration option for nginx, but I'm having a ...
6
votes
2answers
121 views

Postfix + SpamAssassin: Incoming mail headers changes

I made a Postfix + SpamAssassin setup following the instructions most website recommend for this kind os setup. Basically I edited my master.cf to add: smtp inet n - - - ...
2
votes
1answer
20 views

Postfix database unreachable behaviour

I have a server running postfix and dovecot with a local mysql database to store virtual domains and users. I'm considering to move the database to another server and perhaps switch to using ldap ...
0
votes
1answer
27 views

All emails are going to spam

So, i purchased a dedicated server just over a month ago and its running CentOS (Plesk). Every email that is sent out to gmail accounts are going to spam, and its not happening to any other email ...
3
votes
1answer
43 views

What is the correct helo for a smtp server that does not receive mail and does not have a FQDN?

What is the legal and correct helo for my SMTP server. Out going email only. Behind a NAT with no inbound ports open. SMTP server does not have a FQDN. Send mail for 2 different domains We are a ...
1
vote
0answers
38 views

Authentication failure with postfix and sasl using sasldb

I'm really not sure what my issue is. I've checked several guides, and I am sure I have set this up correctly, including config fails, restarting the service, permissions etc. OS is Ubuntu Server. ...
1
vote
1answer
74 views

Postfix mail logs keep showing “NIS domain not set”

I just set up a new email server using Postfix and Dovecot. I've been troubleshooting, and this line keeps appearing in my logs (specifically, mail.info and mail.log). What is a NIS domain, and how do ...
4
votes
2answers
44 views

How to hold mail for only certain users with postfix?

I would like to hold all outgoing email for certain users (all users except a few) for a set period of time, or until I approve (even if that means changing a config and restarting the service). Users ...
1
vote
0answers
69 views

Postfix cannot start but dovecot is ok

My postfix service cannot start. Here is message: Job for postfix.service failed. See 'systemctl status postfix.service' and 'journalctl -xn' for details. And here is service status: ...
1
vote
2answers
44 views

Fetchmail with local Postfix on Home-Server

a small question... I have a fully configured postfix server which have a few domains, few users, and much more. Then I have a smart host which receives all mails and send all mails. For example ...
4
votes
1answer
50 views

Add warning to emails received by Postfix without TLS

Is it possible with Postfix to add a warning to all emails received over a cleartext (non-TLS) connection? For example modifying the subject and/or adding a custom header.
0
votes
0answers
21 views

Postfix: enable authentication through port 25

I would like to configure postfix so that authorized devices can only send email through port 25. By default this is not so. Postfix currently relays emails through 587 TLS. My plan is to use port 25 ...
0
votes
0answers
18 views

Hosting email for multiple domains on the same server? [duplicate]

I have a single server with dovecot and postfix installed to handle email. If i create a user on the OS (centos) i can then use this user to log into any email client and send/receive emails. The ...
0
votes
1answer
66 views

Every email that I receive gets sent to root@example.com (Postfix on CentOS)

I've got a bit of a strange problem going on. It seems that all emails I receive never make it to my actual inbox. They go to the root email. (in my case this is root@dougbeney.com) Here is my ...
1
vote
1answer
119 views

I can send mail but can't receive it (CentOS with Postfix)

I followed this tutorial and was able to create a mail account that can be configured in an email client. The problem is that I can't receive any messages to my inbox BUT I can send messages ...
2
votes
1answer
41 views

Can't send local mail message between users on linux

In http://unix.stackexchange.com/a/21336/99621 it says that if you do echo 'body' | mail -s 'subject' myuser It will send a mail message to the myuser linux account on the local system that this ...
2
votes
1answer
136 views

How can I have multiple email accounts from different domains using Postfix?

I just made it through this helpful article and successfully have my mail server set up with a single domain. What I'm wondering now is how I can be able to add multiple email account for different ...
1
vote
2answers
33 views

Regex on Postfix using Centos

I have a Centos server running only postfix. I want to filter out mails containing word gratis or grátis or grétis or grâtis. The second letter is the problem. So I used this rejex: ...
0
votes
0answers
21 views

Amavis Spam Summary

I recently switched from the classic SpamAssassin to the "advanced" and more featured "Amavis" (which includes Spamassasin and a virus scanner). I'm missing a great feature of SA: the spam report. ...
1
vote
0answers
63 views

CWP Postfix send mail the host does not accept mail from localhost

Plesase help me, below postfix config: alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases broken_sasl_auth_clients = yes command_directory = /usr/sbin config_directory = /etc/postfix ...
1
vote
1answer
83 views

Where does Postfix store attachment inside email?

I am trying to find the folder where Postfix store email's attachment but I can't seems to find it. Anyone know how?
0
votes
0answers
22 views

How to direct mail by From: address?

I have postfix running and directing mail to a smarthost at my ISP. I would like email with a particular outgoing email address to be forwarded to another server, specifically GMail; all the rest ...
2
votes
1answer
507 views

CLIENT wrappermode (port smtps/465) is unimplemented

I am getting the following error when I try to send email using a relayhost from a CentOS 7 server using postfix: Oct 19 19:53:08 localhost postfix/pickup[7174]: 64DAF1A53CB: uid=1002 ...
1
vote
1answer
74 views

enabling smtp on port 465 and imap on port 993 for webapps running on centos 7

A CentOS 7 development server is used for prototyping webapps that send and receive email using JavaMail to connect with a remote mail server elsewhere on the internet. The remote mail server uses ...
1
vote
1answer
45 views

Postfix is not releasing email

I got a Ubuntu 14.04 server and I am testing Postfix. My /var partition got full at a certain moment, but I could still send some emails (locally and to a different host too). Postfix accepted for ...
2
votes
0answers
64 views

Postfix SMTP client won't authenticate with AUTH LOGIN

Log extract: 127.0.0.1[127.0.0.1]:11127: 250-AUTH LOGIN PLAIN maps_find: smtp_sasl_passwd: hash:/etc/postfix/sasl_passwd(0,lock|fold_fix): [127.0.0.1]:11127 = XXXX smtp_sasl_passwd_lookup: host ...
1
vote
0answers
23 views

Postfix sending spam [duplicate]

I am running Ubuntu 14.04.3 with apache2, postfix and dovecot. Today (about 24 hours ago) my server started sending spam (like 10-20 mails to random addresses every 2-3 minutes) and I got blacklisted. ...
1
vote
0answers
118 views

gmail Internal parse error: Illegal envelope To: address (invalid domain name): root@[1.2.3.4]

Sending e-mails to my own gmail account from a server without a domain name. When using internal hostname basinsrv.localdomain, cannot reply. Tried these non-default settings in main.cf: myorigin ...
0
votes
1answer
74 views

Postfix does not work with TLS but Dovecot does

I have posted this question on Sever Fault but as soon as I mentioned that I have a control panel installed on my server (even though it has nothing to do with the issue) my question was closed. Here ...
1
vote
0answers
75 views

One account stopped receiving emails - postfix / dovecot

My server was working properly but now one account is not able to receive emails. Forwarders are working on the same account. I have postfix/dovecot installed on ubuntu with this guide: ...