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Questions tagged [postfix]

Open source email server for Unix

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10 views

Postfix and squid3

My question is about postfix and squid3 I Need to Know How configure postfix and squid basicly please help me i want from basic
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14 views

No selection list shown for dpkg-reconfigure postfix

I don't know if this is a problem with my terminal or something else entirely but when I sudo to root and run 'dpkg-reconfigure postfix' in the desktop terminal I get all the boilerplate text but none ...
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23 views

Dovecot-mysql has unresolved dependancies

I have set up a new Ubuntu 18.04 LTS server with a LAMP + Postfix + Dovecot setup. Almost everything is working but I am getting an issue with dovecot dependencies. I have installed dovecot-core using ...
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1answer
30 views

hostname and /etc/hosts

I intend to purchase a domain, say for instance muppets.org, for my web server and I would like to install Postfix on the same machine for sending transactional emails. Am I expected to set as ...
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51 views

What does the default Postfix-Dovecot installation actually do [on hold]

On Ubuntu 18.04, if one does sudo apt install postfix dovecot-pop3d it asks 2 questions, the first one is answered "internet site", and this is a link to the second one: http://davekimble.net/...
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1answer
59 views

Postfix using gmail relay without a domain name gets dns error

When I send mails using sendmail or mutt, /var/log/mail.log shows that emails get delivered to smtp.gmail.com. I can actually see the email appearing in my Gmail outbox. However, I receive an error ...
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8 views

Can't authenticate postfix server

I'm trying to set up a postfix server - it will be used to send alerts out from an access control system for certain event triggers. The server doesn't need to be able to receive mail, so there's no ...
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0answers
32 views

Postfix sendmail command receipient not showing up in mail header

I am trying to send an email from my gmail account to another email account using postfix's command echo content | sendmail myaccount@other.edu, the mail seemed to be delivered to the gmail server, ...
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1answer
36 views

How to use cron job to execute python script that sends emails without using MTA?

I've defined a cron job which use python script to send mails to office365 users emails from office365 email. 15 16 * * * 3 cd /home/path_to_app && /home/path_to_env/flaskvenv/bin/python -m ...
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39 views

Cannot open mailbox /var/mail/fmaster: Permission denied

I installed postfix and mailutils, to check it I used: sudo useradd -m -s /bin/bash fmaster sudo passwd fmaster And this: su - fmaster For checking email I used: mail I got this error message: ...
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1answer
81 views

Ubuntu Server 18.04 with Postfix

Good Day, I have POSTFIX + Courier-IMAP + Courier-POP on UbuntuServer 18.04; The server has two network cards; 1 card connected to the Internet with Dynamic IP and the other card to the local network....
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59 views

Unable to get my Postfix/Dovecot/Amavis/Spamassassin mailserver working

My mail server can't send or receive emails. I've been trying for months without success. None of the Google searches have helped either. Please have a look see and try to help me get this resolved. ...
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96 views

Problem with mailutils, ubuntu 18.04

Can someone help me about this problem, I've tried to find out where the problem is comming from, but have no luck, I've tried to re-install postfix and mailutils, but still have this problem, if ...
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32 views

OpenLDAP with MySQL backend

I'm trying to set up OpenLDAP to use MySQL database for a user database. I already have postfix set up on the same server and all the postfix users exist in the MySQL database. So now I need to set ...
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1answer
307 views

Sending email via gmail smtp ubuntu 18.04 php

In RoR in order to send email from the application, we simply provide smtp settings for gmail and the server start using them to send emails. I have bought Active Super Shop Multi-vendor CMS which ...
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104 views

Postfix/Dovecot/Sasl authentication issues with SMTP

I have been trying to get my mail server to work for the last few days. I have postfix/dovecot/sasl on ubuntu 16.04 configured with virtual domains and user. The SSL certificate comes from letsencrypt ...
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25 views

Is it safe to change /var/run/saslauthd to somewhere else?

I am setting up Postfix with saslauthd, and I am having trouble duplicating /var/run/saslauthd to /var/spool/postfix/var/run/saslauthd. I'm thinking of editing /etc/default/saslauthd so that saslauthd ...
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85 views

Postfix is not logging anything to journal

I'm trying to get journalctl in Ubuntu 18.04 to log everything, or mostly everything at least. One thing that I noticed was, that postfix does seem to log to journal. I can clearly see entries when I ...
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2answers
50 views

Strange symbols in front of suspicious services

I have an EC2 instance running a postfix-dovecot email server. I use an AWS security key to access this EC2 and I consider the security pretty tight. When I run: systemctl list-units --type service --...
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47 views

Ubuntu 18.04 Postfix

Installed and configured Postfix sending email fine. I reboot the server and email fails DNS lookup on the smtp hosts. Repeatable via reboot. If I restart the service all works fine until next reboot. ...
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32 views

Forward bounced emails to gmail too

i have configured an email account on postfix in my ubuntu server, to forward to gmail like this: mail to --> user@mydomain.com ----postfix-forward--> some_user@gmail.com and in gmail account of "...
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44 views

Mailserver on Ubuntu 16.04

I know, there are like hundreds of tutorials to install "a mailserver" on Ubuntu 16.04, but I just don't seem to get it working and resetted my server the 4th time now.... What I would like to have ...
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64 views

Postfix keeps inserting misplaced delimiter!

Setting up postfix (3.3.0-1ubuntu0.1) ... setting myhostname=akhilesh-Predator-G3-571..name in /etc/postfix Postfix (main.cf) is now set up with the changes above. If you need to make changes, edit ...
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1answer
113 views

Which database type is /etc/aliases.db?

Which database type is /etc/aliases.db? It is not SQLite, MySQL or PostgreSQL.
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1answer
209 views

Postfiix startup issue ubuntu server after upgrade to 18.04

What started as a suspected internet issue now looks like an issue with postfix Hopefully someone can help me fix? I seem to be having some random connection issues with my amazon AWS I upgraded 2 ...
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2answers
197 views

Where should I look for logrotate config file of /var/log/mail.log

I would like to change the suffix of mail.log rotated files to include the date, such as /var/log/mail.log.20180920 I read from this question that /etc/cron.weekly/sysklogd should be changed, but I ...
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25 views

14.04 disable a users mail

Everything I can find with "google" says delete account, I need the account, but I need to prevent it being able to send mail. The account is public and doesn't need mail at all. Ideally I need it ...
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23 views

Making An Email Address With My Domain | Postfix & Sendgrid

I've been stuck on this problem for a while now and I can't seem to find any clear instructions on what I really need to get an email address set up with my website. I've installed Postfix and ...
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81 views

Can't flush mail stuck in postfix mailq

Currently around 20 Emails are stuck (and not marked as deferred) on my mailserver (postfix, dovecot) from an hour ago. Any new mail that I try to send is sent normally but not the 20 that are stuck ...
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49 views

Installing GitLab CE on Ubuntu 18.04 - Sign in page can't load resources

Background Information I'm trying to install gitlab ce on ubuntu 18.04. General installation steps that I took: installed and configured postfix. Tested to make sure it's working like this: https:/...
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63 views

trying to correctly configure SPF records

Hi everyone I have inherited a Ubuntu server to maintain but unfortunately I know little about networking, and even less about Linux. It's had issues from the start, I've managed to fix a lot of them,...
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postfix installation hangs on first configuration screen

Intallation of postfix hangs on first configuration screen. I have reinstalled Ubuntu 18.04 but same problem occurs. I have run apt update and apt upgrade. What to do?
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146 views

Squirrelmail issue: ERROR: Could not complete request. Query: SELECT “INBOX”

I have website server hosted on digitalocean with Ubuntu 16.04, LAMP. So, when I need to have my own domain name email address, I followed this tutorial to create one. After going through the tutorial ...
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2answers
262 views

How can I configure postfix to send emails via gmail (2FA problems)?

I have a new Ubuntu 18.04 system and want to have mdadm, smartd, et al. to send warning emails through my gmail account. I have followed the guides in How can I configure Postfix to send all email ...
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38 views

I have an Ubuntu 18.04 server with NGINX,MYSQL website, I want to add Email

I setup my website on a Ubuntu 18.04 server with Nginx, MySQL and i already used let's encrypt for the ssl certificate. Now that my website is up and running. I'm wondering how i can add email to my ...
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121 views

Suspicious anonymous TLS connections to my Postfix SMTP server

I have a Postfix server set up on a Ubuntu droplet. Recently, I have hardened it with Fail2Ban because I found that it was constantly being attacked by brute force attempts. I was reading through my ...
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12 views

sendmail.postfix file?

I Have a spam problem on my VPS (Ubuntu 16.04) I have a Plesk install on it with postfix. Plesk support give me a procedure to find where is the script sending spam. My problem is at the point ...
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97 views

Steps to Create Postfix in Ubuntu 16.04 as SMTP outgoing only

I have googled a lot to try to find the steps I used when I was doing this a few months ago inside AWS but now that I am using Google Cloud and want to reproduce it, I cannot seem to find the steps to ...
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151 views

Postfix header_checks not FROM rewrite not working

I have a relay for internal to outbound only. I am trying to selectively rewrite the From: to no-replay. I have also been trying canonical maps without success. Only success I have achieved is reply-...
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1answer
271 views

MULTIPLE DOMAIN ON A MAIL SERVER AND WEBMAIL

I have a mail server on ubuntu 16.04 with postfix and dovecot and in the same server run roundcube webmail. I access a roundcube webmail with https://webmail.domain1.com (ssl). I need multiple ...
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17 views

Automatic eMail forwarder to email list stored in mysql database

I have email-addresses in a mysql database. By executing SELECT email FROM table I get a list of current emails. My goal is now to include the current list of emails into an email autoforwarder: ...
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0answers
52 views

postfix apparmor sasl workaround

so I'm trying to make a AppArmor profile for postfix, but I can't seem to get the SASL authentication working because permissions are being denied even though to me, I've already give permissions. My ...
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1answer
1k views

How to configure Postfix to use Gmail SMTP on Ubuntu 16.04 / 17.10

I installed the Postfix mail transfer agent using the command sudo apt install mailutils. I am using the following command in my terminal. echo "This is the body of the email" | mail -s "This is ...
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0answers
38 views

Postfix SMTP lookup in /etc/services failed

I am running a postfix server on Ubuntu 16.04. Probably related to an update the mail server did not work anymore. The log tells: postfix/master[4590]: fatal: 127.0.0.1:smtp: Servname not supported ...
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64 views

installing zesle cp giving error failed to restart MTA

Restarting dovecot (via systemctl): dovecot.serviceJob for dovecot.service failed because the control process exited with error code. See "systemctl status dovecot.ser$ failed! ^[[0;31mError: failed ...
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43 views

postfix squirrelmail dovecot sending email not reciving

Hello iam new to this i configured postfix with godaddy relay server for post fix installed dovecot and squirrelmail now all working fine when i am sending mail form my godaddy vps ubuntu server The ...
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37 views

Dovecot Godaddy Vps Gives error when installing with post fix

Iam trying to install dovecot on godaddy vps ubuntu 16 os i have installed postfix with smart host as godaddy works with relay server to send emails When i am installing Dovecot gives me bellow ...
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24 views

ERROR: mail loops back to myself

I'm trying to set up a mail server but when I send a mail I receive this error message: D05423F6: to=<contact@example2.com>, relay=none, delay=79840, delays=79840/0.02/0.03/0, dsn=4.3.5, status=...
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97 views

Configuring Gitlab with Postfix on Ubuntu Server 16.04

I'm trying to install a gitlab on my VM Ubuntu Server 16.04 connecting with hyperv. I followed the instructions from here and everything went good until I started to installing IMAP service. When I ...
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150 views

Postfix Mail not sending for gmail, yahoo, but working in third party mails like Mailinator — Ubuntu 16.04.4 LTS

I use Ubuntu for the first time. I have included mail functionality for my application, for which I am using postfix. Also I used phpMailer for sending mails. I cannot receive mail for gmail, outlook,...