Questions tagged [postfix]
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
14 views
Closing port 25 for SMTP when using Gmail via Postfix
On my server, I need to send email via Postfix. The SMTP settings are as follows and these work. Email is sent via Gmail properly:
relayhost = [smtp.gmail.com]:587
smtp_use_tls = yes
...
0
votes
1answer
29 views
opendkim.sock file not being created or does not exist
I'm attempting to configure opendkim on my raspberry email server that has a dovecot/postfix setup already configured.
I have followed some tutorials and some forum posts to further diagnose my issue....
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0answers
5 views
Filter connecting mobile device with Postfix email server [closed]
I need to filter users that connect to my Postfix email server from smartphone and don't have installed particular software (AV).
Your suggestions please.
Thanks
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0answers
19 views
Debian / Postfix / Header Checks / Changing Subject based on “To:”
I'm trying to configure a change of subject for incoming emails based on the "To:" address of the (virtual) email address, rather unsuccessfully. I run into two problems.
The first problem is that I ...
2
votes
2answers
43 views
Send mail to SMTP server on same LAN from CLI (confused with Mutt and Postfix)
I need to send mail from CLI (Cron) to a mail server that is on the same LAN. After some googling Mutt seemed like a good option as it appeared simply installing Mutt and adding SMTP options to ....
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0answers
16 views
how to omit warnings of mail command, can these warnings be ignored
how to omit the warnings in output of mail command .
user@sanadmcode:~> echo "Test mail from postfix" | mail -s "Test Postfix" myemail@domain.com
user@sanadmcode:~> send-mail: warning: /etc/...
1
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0answers
11 views
Randomly failing services CentOS7 - Monit too [closed]
I've recently created a new CentOS 7 setup with Apache, Nodejs, Lfd and Postfix and i'am also using monit to track failed services.
For some reason randomly, services are failing including monit as ...
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0answers
20 views
postfix dual delivery to local (virtual) mailbox and google smtp
We're migrating from our own mail server to Google Apps and I need to somehow deliver any incoming mail to both the local mail server and Google until we have everyone moved over. I'm following the ...
0
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1answer
10 views
How to build Postfix from Debian Salsa Git? (gbp:error: upstream/3.3.2 is not a valid treeish)
I would like to rebuild the Debian package 'postfix'. Without anything fancy, so no local patches and unsigned packages are fine.
Here's what I tried:
Install some dependencies:
$ apt install ...
0
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0answers
8 views
postfix maillog realtime Formatted?
Question: I can "tail" the maillog for a real time view of the postfix mail log BUT... is there anyone out there whom wrote a way to do this that is "reasonably formatted?"
Meaning: It's garble......
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0answers
24 views
Debian - problem related to procmail
recently I started getting an error like that:
This is the mail system at host xxx.
I'm sorry to have to inform you that your message could notbe
delivered to one or more recipients. It's ...
0
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1answer
34 views
Repairing postfix - unable to create /root/mailbox.lock
Because of recent policy changes at our office's ISP (no more SSL or TLS 1.0, only TLS 1.1+), I've had to ditch ssmtp as our mail relay on a Debian 9 workstation. I reinstalled postfix, which ...
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0answers
105 views
Mutt error SMTP session failed: read error
set ssl_starttls=yes
set ssl_force_tls=yes
set imap_user = 'name@gmail.com'
set imap_pass = 'password'
set from='name@gmail.com'
set realname='name@gmail.com'
set folder = imaps://imap.gmail.com/
...
1
vote
1answer
40 views
fail2ban will not ban again after first one expires
I couldn't make fail2ban to block IP address coming up in postfix log on Debian 9. I rewrote the failregex to be like this:
NOQUEUE: reject: RCPT from (.*)\[<HOST>\]:(.*) 550 5.7.1 Service ...
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0answers
78 views
How to install Postfix in an all default way (no setup wizard) and to be used with no email DNS records?
The following question is a follow up to this question.
In a latest Debian 9 stable I desire to install Postfix to send email from my machine to my very own Gmail account by the quickest install ...
1
vote
2answers
121 views
Understanding sendmail binary
I have a website with some PHP based CMS on which I'm the only user. This website has a simple contact form (name, email, phone and body) by which I get mail from non registered users.
I'd like to ...
0
votes
1answer
43 views
Postfix: Whitelist all entries in address book
my postfix currently rejects emails that are potentially SPAM. Howver, some of my contacts have servers that are not correctly configured and I want to avoid rejecting their email.
...
1
vote
1answer
54 views
Postfix domain not found
I have set up postfix on a server that has to send all output from root to R*****@gmail.com - But the problem is that when it sends mail it tries and sends to "root@rene-desktop" which I am notified ...
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0answers
20 views
change maillog default path in rsyslog
I am using redhat linux and the default location of my postfix is /var/log/maillog
. I am trying to change maillog location to /app/log/maillog. I have tried to update rsyslog.conf
mail.* ...
0
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0answers
30 views
Rsyslog concatenate postfix output
I'm trying to concatenate postfix log output with rsyslog directly. This is my template.
template(name="TestMailTemplate" type="list"){
property(name="timestamp" dateFormat="rfc3339")
constant(value="...
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0answers
121 views
Update postfix/mail version
When I'm checking my postfix version
postconf -d | grep mail_version
the output I get is
mail_version = 2.11.0 milter_macro_v = $mail_name $mail_version
But when I run apt-get install postfix, ...
2
votes
0answers
170 views
Warning in the logs of Postfix: “restriction NNN ignored: no SASL support”. But it does have SASL support
I have postfix + dovecot + pgsql. All has been working. Recently I've changed something in the config to combat spam. Now I see this in the logs:
localhost postfix/smtpd[2299]: warning: restriction `...
1
vote
1answer
50 views
Sendmail migration: Replicating all incoming mails to another mailserver
I am migrating a mailserver running sendmail 8.14.3 to a postfix server. The MDA on the new server is Dovecot. In order to ensure a seamless transition, it would be best if incoming mails are ...
1
vote
0answers
63 views
Why does postfix main.cf contain configuration like readme_directory, manpage_directory etc? [closed]
I am setting up yet another mailserver with postfix.
So while configuring I see these configurations in main.cf. Can someone tell me why these are in the main.cf? I mean, why would a daemon config ...
1
vote
2answers
98 views
Postfix: Remove the software name in the email header
I need to remove the software name in the email header. Every time when I send the emails, the postfix server sent emails at the destination the emails headers include the following:
by mail.example....
3
votes
2answers
44 views
Hide “You have old mail” message when logging into shell?
I have a mail system set up on my server (Postfix + Dovecot) that I use for personal and sys-admin email. Every time I login via shell (for all of my accounts), the message "You have old mail." is ...
2
votes
2answers
113 views
Sending attachments with GNU mail to @kindle.com
Background: I'm trying to set up a server to regularly pull RSS feeds, package them up in a mobi-ebook and send them to my kindle.
Problem: If I configure the server to send to my @kindle.com email ...
2
votes
1answer
90 views
Automating postfix installation
I have been trying to automatically install postfix in a non-interactive way via startup-script on machine boot up.
After a bit of research I found out some suggestion that I could try to install it ...
1
vote
0answers
32 views
With “reject_sender_login_mismatch” I can no longer send email [duplicate]
I've added "reject_sender_login_mismatch" to "smtpd_sender_restrictions" as was suggested to me. Now I get this when sending an email:
<my_email@my_domain.com>: Sender address rejected: not ...
4
votes
2answers
351 views
I can't send email via my own Postfix anymore due to enforced restrictions that I made
Until recently my server with Postfix has worked well. Then I enforced some restrictions to a) combat spam b) disable sending emails to me on behalf on my own name -- I have begun receiving emails ...
2
votes
2answers
50 views
Auto-notify when postfix requires TLS?
I've set up postfix on CentOS 7, and configured it to require STARTTLS to accept incoming mail. I've run into a couple instances where a server doesn't, for whatever reason, support TLS encryption, ...
0
votes
1answer
118 views
How to install MIMEDefang on Debian?
I'm trying to install MIMEDefang on my Debian Stretch but it doesn't work out the of box and I can't find any guides that work.
After apt install mimedefang I added the following to /etc/postfix/main....
2
votes
2answers
169 views
Configure Postfix to Send Mail Using Gmail in Ubuntu 16.04
I have configured Postfix to Send Mail Using Gmail.
I have modified the file /etc/postfix/main.cf
adding
myhostname = fqdn.peris.app
mydestination = $myhostname, peris.app, localhost, localhost....
2
votes
2answers
637 views
How to fix postfix set-permissions without user named root?
I'm trying to setup Postfix from Entware (a repo for embedded devices).
There is no SElinux involved and chroot is disabled in master.cf.
# postconf -n
command_directory = /opt/sbin
...
1
vote
0answers
691 views
Postfix send mail problem “connection timed out”
I have Windows 7 local machine and virtualbox Ubuntu virtual machine.
i have installed Postfix on it and configured it, but when I try to send test mail I get the following error (in var/log/mail.log ...
0
votes
1answer
96 views
Postfix not accepting mail from procmail in Centos7?
I have a Centos 7 server setup with Postfix, Spamassassin and procmail. It works fine, it receives and sends email , it passes it to the spam filter and delivers it to the required user or external ...
3
votes
1answer
360 views
Permission problems for postfix to connect to clamav-milter socket
I am running postfix postfix-3.3.1_1,1 and clamav-milter clamav-milter-0.100.1_1 on FreeBSD 11.2. Postfix and the milter are set to communicate via a socket. I am not able to get the milter and ...
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votes
0answers
32 views
Indexing dovecot's date and time in solr
I'm using Solr with dovecot for full text search. Everything working fine but I want to index date or date time. I tried several ways but I can't find the correct field name to index.
Few types that ...
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vote
0answers
78 views
Postfix server: Mailman email double checked with SpamAssassin
I have set up postfix with spamassassin, and then added mailman for mailing list management, everything on Debian 9 Stretch:
postfix: 3.1.8
mailman: 2.1.13
spamassassin: 3.4.1
The problem is that ...
1
vote
0answers
18 views
postfix wont send or receive email [closed]
I am running CentOS7 with postfix and dovecot connect to a mysql backend for user authentication.
When I run doveadm user it responds correctly and the mailboxes get created automatically so I know ...
1
vote
1answer
212 views
How to add Date: header to received emails without break DKIM signatures
Some server send email without Date header, and Thunderbird doesn't recognize the date.So, I want to use following settings and add Date header.
local_header_rewrite_clients = permit_inet_interfaces, ...
2
votes
0answers
94 views
postfix ssl cert permission issues
I am setting up a Postfix server on CentOS 7. Selinux would be the obvious culprit, so it is disabled. and I am having the same issue.
My certs are stored in /etc/ssl/certs/<domain>. My master....
2
votes
1answer
63 views
Source-MAC Filter iptables
I have a HAProxy box with centos7 and doing load balance proxy for a smtp cluster providing mail relay to our customers.
default gateway => 10.0.0.1
master-relay.example.net => 10.0.0.254
...
0
votes
1answer
43 views
Does an SMTP Server have to be reachable from outside our networks
We have an environment set up with VMs and docker container. Now I have installed an SMTP Server with PTR Record bind to an IP and on the IP there is an VM running with a docker container on which ...
0
votes
1answer
35 views
local mail setup to debug root cron jobs on debian
I'm running the following setup:
beaglebone black [wireless version - 4.9.82-ti-r102 #1 SMP PREEMPT] -- running debian 9.3 stretch.
I've attempted to install the latest postfix mail server -- just so ...
0
votes
1answer
219 views
fail2ban fails 2 ban login attemps to smtp (postfix) server in docker container
I got a problem with my host / docker setting as follows:
Host runs fail2ban, which accesses the mail.log files from the docker container, which are mapped over a volume. This all works fine, I ...
1
vote
1answer
89 views
Postfix SMTP auth
I have installed a postfix server with dovecot sasl and TLS.
The problem when I try to send mail from PHP code, if I use login auth type as 'smtp' the server accept the connection without any ...
1
vote
1answer
106 views
Are both mitigations required when audit2allow suggests both restorecon and one type enforcement rule?
SELinux is permissive mode to help avoid operational issues during a transition to a new RHEL7 server deployment. Whilst some SELinux issues are fairly easy to review and resolve with a modicum of ...
0
votes
1answer
53 views
Postfix can't send email to popular email sites
I have an installation of iRedMail version 0.9.7 running on Scientific Linux (RHEL) 7 :
Linux smtp.fabricobjects.com 3.10.0-862.6.3.el7.x86_64 #1 SMP Tue Jun 26 12:13:22 CDT 2018 x86_64 x86_64 ...
0
votes
1answer
49 views
How to automatically move mails to SPAM or JUNK folder instead of removing them?
I have problem with amavis-new. amavis-new removes an e-mails tagged as
SPAM are removed instead of leave them tagged by SpamAssassin. Here's
/var/log/mail.log:
Jul 20 20:04:09 cloud-vps opendmarc[...
