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
338 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
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2answers
40 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: ...
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0answers
41 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. ...
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0answers
104 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
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1answer
209 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?
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0answers
28 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
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1answer
1k 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
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1answer
113 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
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1answer
93 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
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0answers
88 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 ...
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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. ...
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0answers
126 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
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1answer
143 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
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0answers
99 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: ...
1
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1answer
161 views

Postfix - envelope and body header

I have got a question regarding how one can protect himself from fake e-mails that are forged by putting in a fake message header while keeping normal envelope header? The issue is that what is ...
1
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3answers
511 views

postfix filter incoming mails based on 'mail from' and 'rcpt to'

I want to reject emails to my postfix server based on more than one criteria, specifically I want to block emails from Russian email addresses (or that contain Cyrillic characters, but this I suspect ...
0
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1answer
29 views

Mx not resolving to IP when pointing to its own domain

I'm running postfix and have setup previously a mail server on a domain e.g. mail.firstdomain.com. Recently I added another domain e.g. mail.seconddomain.com. In the MX records for the second domain, ...
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0answers
36 views

How do load balanced mail servers function with each other and clients?

If there are two mail servers running postfix/dovecot as both primary in a load balanced configuration, how do they function with each other and with clients? For example, my DNS record will look ...
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0answers
261 views

Postfix/Dovecot configuration Problem

i've a problem setting up my postfix with dovecot. After Login via Outlook and Thunderbird im getting a timeout. This is how my configuration looks like for postfix: postconf: warning: ...
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0answers
32 views

SSL/Secure MySQL access with Postfix/Dovecot Mail Server

I have two MySQL servers setup, one in each data center in the US. The east coast db is the master and replicates to the west coast slave db over SSL. When I try to connect my mail server to the ...
0
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1answer
488 views

Postfix: Recipient address rejected from another domain zones

I have successfully installed Postfix/Dovecot with virtual domains and TLS support like this article describes - https://geekpeek.net/postfix-with-dovecot/ ... But faced with the problem. I can send ...
0
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1answer
175 views

Sending email out at a specific time

I'd like to write emails now and have them go out at some specific time in the future, eg. when the office opens in the morning. What would be a good way to do that ? Most user agents don't support ...
0
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1answer
106 views

mail delivery goes wrong with mx lookup

in Plesk (11.5) you can deactivate mail service on a specific domain. I did this, because: At my domain provider I configured the domain DNS settings like this: A-record: IP points to web server with ...
0
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1answer
58 views

Postfix Email Troubleshooting

I'm having some trouble changing the server I use for Postfix emails. I've installed postfix on the Linux server (CentOS 5) and setup as follows. I added the settings to the /etc/postfix/main.cf ...
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0answers
44 views

Cyrus Performance Tweaks?

Okay guys, I have put a lot of research into this so bear with me. Here's what I am up against. I have been working with RC for a long time and I know some awesome SQL tweaks that work wonders, etc. ...
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2answers
239 views

Postfix on Centos7 not accepting Public port 25

I have a new mailserver (postfix) on a new CentOS7 install. I can connect (telnet) on 127.0.0.1 port 25 and on the public IP from the local machine but not on the public IP outside the machine. I use ...
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0answers
101 views

Postfix/Rancid - Confused by terminology, /etc/aliases, and relaying mail from localhost

I want to send notifications from a non-domain linux server, to my corporate email, me@company.com. My main concern is receiving notifications from an installed instance of rancid. I am confused by ...
0
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1answer
46 views

postfix - unknown group: vmail

I have a VPS running Debian 8 in which I used this tutorial to set up. It is running dovecot and postfix. Recently I have started receiving errors every few minutes in my mail.err log file which look ...
3
votes
1answer
285 views

how to use procmail as a MDA for postfix? (mailbox_command)

I am trying to setup procmail as a mail delivery agent (MDA) for postfix. I understand that I should use the mailbox_command option in postfix for this, but an internet search revealed contradicting ...
2
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0answers
43 views

How to trap spam sent from certain top-level domains?

I'm getting a lot of spam from eu TLD Maybe I could have put a rule set giving a score of say 2.5 or 3 for any mail originating from the .eu TLD; then this score + other factors could have made it ...
2
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1answer
87 views

Postfix - external email notification when an internal email is received

describing my specific case; on our centOS 6.6 final servers , I've installed yum-cron, in order to schedule a check every night if there are updates from the active repositories. I preferred to ...
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0answers
577 views

My server email can't connect to Outlook or Thunderbird

I have postfix for smtp, and dovecot for imap/pop with FROXLOR. I have configured correctly, but I can't succeed in configuring an account in client mail programs. From Outlook, I receive Log on to ...
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0answers
22 views

Does postfix support MySQL connections over SSL

I have a postfix server and a MySQL database server. I setup MySQL SSL and have it working successfully. I can connect from postfix to mysql with the user requiring SSL. The problem I have is, when I ...
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0answers
38 views

Postfix - Extract Final-Recipient from a large queue of mail

I have a large queue of backed up messages. I've checked a few and the Final-Recipient domain seems to be the same. I'm spotting a trend but I want to make sure before I take further action. How can ...
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0answers
211 views

Postfix does not send mails until the service is restarted

When I restart my server, postfix starts up - I can verify this by doing postfix status. It says "the Postfix mail system is up and running." When I try to send an email from a PHP script after ...
0
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1answer
288 views

Grep /var/log/maillog for email to a certain user, based only on his linux username

Level 1, beginner here. Question about grep and maillog. I have a learning environment, based on Linux CentOS, with Postfix and SquirrelMail running, but my assignment is more in general. I need to ...
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0answers
125 views

Postfix - domainkeys=neutral (no sig)

I have everything else working fine (SPF and DKIM) but I can't get domainkeys=neutral (no sig) to pass! domainkeys=neutral (no sig); from=foo.com; dkim=pass (ok) I know what some people are already ...
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0answers
638 views

Error 550 No Such User Here when sending mail to postfix server from certain servers

So, I've been doing a lot of Googling and researching, and I can't wrap my head around this. I set up a mail server using iRedMail. I'm not an incompetent Linux user, but I'm not experienced in the ...
0
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1answer
69 views

Postfix - Force emails to stay in the queue for at least X seconds before sending

So I have been trying figure out how to modify Postfix email body messages without any real luck. I can figure out how to modify the first word but anything after that doesn't work. So my second ...
2
votes
1answer
929 views

Postfix virtual alias domain matching with regular expression virtual alias map

Using Postfix (2.11.3) I want to redirect all mail to an external address. /etc/postfix/main.cf: virtual_alias_maps = regexp:/etc/postfix/rewrite /etc/postfix/rewrite: /^.+$/ hijacked@example.com ...
1
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3answers
310 views

Send mail at startup

I want to send a mail to myself at the restart of a server. We use AWS, and a restart results in a changed internal 10.x.x.x address. This address has to be configured in Postgres and elsewhere, and ...
1
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2answers
923 views

Cent OS 6.6 enable Plaintext authentication on dovecot and postfix

A customer of mine wants to use gmail as their default mail client but I have rolled forward to a new CENTOS server version (6.6, ok it's not "new" new) and the dovecot and postfix settings are ...
0
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1answer
23 views

Postfix - Delete queue for secondary installation?

I have installed multiple Postfix on the same server. To delete the queue for the main I run the following command postsuper -d ALL How would I do the same but for the second installation?
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1answer
74 views

CentOS 6 Cron Logging Without Postfix

On a CentOS environment I am setting up, I have no need for email of any kind. I would like to simply disable postfix entirely, however this also disables logging from cron which I do need to have. ...
3
votes
3answers
435 views

Installing Postfix conflicts with MySQL-server package

I had to install MySQL Server community on our server (team lead did not want MariaDB due to support or something). Therefor I removed MariaDB which in turn also removed Postfix. Now I need to ...
0
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1answer
212 views

Postfix - Modify header “Message-Id” twice

I am trying to do both of the following actions. However Postfix only changes the first Message-Id. With this example Precedence: bulk won't be added because it's at the bottom. ...
1
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1answer
453 views

PHP mail (using Postfix) send out to Gmail marked as SPAM

I'm totally new to "Email Systems" and it's concepts. I just use a simple email sending codes via PHP, like: mail("recipient@gmail.com","my header","my body"); I understand this is going through ...
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0answers
193 views

postfix sender mailaddress rewrite based on recipient mailaddress

I use postfix to send out mails to my contacts. Usually I use the info address for this and I've set a rule to rewrite my internal address into a valid mail address. So for example me@localhost gets ...
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0answers
151 views

Modify multiple headers before email gets sent out

I send emails through a PHP script and want to modify the headers of the following X-Mailer-LID: X-Mailer-RecptId: X-Mailer-SID: X-Mailer-Sent-By: I am not sure how or what to change them to ...
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0answers
79 views

Postfix relay - Remove all traces of main node domain

I am using mydomain.com as the central server and myrelay.com as one of my SMTP relays. I currently have the following set to convert the headers. /etc/postfix/header_checks /^Received:/ IGNORE ...