Questions tagged [mail-server]

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Slow email receiver in postfix configured on Ubuntu

We are sending emails to destinations and the email traffic is high but recipient server is not accepting all emails due to their security rules and source emails can't be restricted. How to deal or ...
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Configuring mail server in Google Cloud

I am configuring on Google cloud a server based on Ubuntu 20.04, where I already have hosted some domains and their webpages assigned in several virtual hosts. When I bought these domains, the domain ...
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What is the Best Practice to switch between Old and New Email Server to minimize outage?

I have been using self built email servers for years now on Ubuntu Server with Postfix + Dovecot. Once before, I have decided to build a newer email server, and I called it by a different Fully ...
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Postfix email address issue

I'm new to configuring mail server in ubuntu server. I would like to setup a mail server in ubuntu server 20.04 LTS with postfix. I follow this guide: https://blog.cloudware.bg/en/set-up-your-own-mail-...
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How to determine whether a DMARC record exists, or not?

A quick search at mxtoolbox.com shows: Category Host Result dmarc example.com No DMARC Record found More Info spf example.com No SPF Record found More Info mx ...
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Ubuntu Server - Looking for software to take commands through email an execute them

I am looking for preferably Opensource software for Ubuntu Mail Server . Requirement from software would be: Listening for incoming emails on a certain@email.address . In case the incoming email ...
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How to configure DNS records for mail server not also registered as name server

I have a single server (server1.host.com single static ip address 12.34.56.78) setup as follows: 1.apache (websites) client1.com, client2.com client3.com 2.postfix/dovecot (SMTP and IMAP) info@...
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How to unistall mailcow from terminal?

I have recently installed mailcow from terminal using the following commands $cd /opt $sudo git clone https://github.com/mailcow/mailcow-dockerized $cd mailcow-dockerized I tried to uninstall using ...
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Server won't receive emails from Instagram

I am having issues receiving emails from instagram to my server domain. The email works fine (to and from) everywhere else. Facebook also wouldn't send to a different email using the same domain. Any ...
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Dovecot 1:2.3.7.2-1ubuntu3.3 not logging failed authentication on Ubuntu 20.04.2 LTS server

I am running Dovecot 1:2.3.7.2-1ubuntu3.3 on Ubuntu 20.04.2 LTS server. My postfix/dovecot self hosted mail server works fine! I can send and receive mail without any problem. All the packages ...
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Postfix Send-Only SMTP Server domain name configuration

I found 2 ways of sending mails from Linux/bash : through a service , like sSMTP, which implies using an external SMTP server, like gmail through Postfix server, which configures the Linux server to ...
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iRedMail + Apache + MySQL + Ubuntu 20

I have VSP with Ubuntu 20. There is already installed Apache and Mysql. Is it possible to install and run iRedMail server on this device? I started with Mail-in-a-box mail server but it requires fresh ...
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How to setup iredmail or dovecot with ssl ubuntu? [closed]

How to setup iredmail or dovecot with ssl ubuntu? i want to create emails and connect them to lampp server
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Problem installing opendmarc

I am trying to install opendmarc on an Ubuntu 18.04.5 server. During apt-get install opendmarc I get: Job for opendmarc.service failed because the control process exited with error code. See "...
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Nodemailer not working with local smtp server

I have setup local smtp server in my linux machine. The following command works and successfully received mail from test@<machine-name>. echo “THIS IS A TEST EMAIL” | mail -s "This is ...
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How to set up mail server (postfix or anything else) on Ubuntu?

I have installed Ubuntu Bionic on my virtual machine and have an application set up. Now what I need is to send emails from my own server. I am trying to set up postfix to do that but nothing works. ...
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What replaced mail-stack-delivery?

Trying to install mail-stack-delivery on 19.10 Eoan I see it's now a transitional package that only installs dovecot-core. Before it used to install both Dovecot and Postfix and write a basic config ...
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When i'm sending the mail it's not delivering to the recipent here is the log ........can anyone help me what i need to configure?

mail -s "test mail" recipient@domain.com < messagebody.txt Dec 16 06:45:23 Ambidextrous postfix/pickup[16021]: D493648123F: uid=1000 from=<praveen@Ambidextrous> Dec 16 06:45:23 Ambidextrous ...
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Swap memory usage high on server

I am observing high swap memory usage on my server host.But I do not see the same memory usage on both of the VMs. Host memory usage: total used free shared buff/...
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postfix on Ubuntu 16.04 LTS can't find sasl_password or sasl_password.db

I followed this slightly outdated tutorial for setting up my ubuntu server as a send-only mail server using my FastMail account as an SMTP relay but I ran into some problems. When I start the postfix ...
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Setting up freshly installed Ubuntu 19.04 to send out mail with PHP application

I have a brand new ubuntu 19.04 install and I want to send emails from it via my PHP application. What software should I use if I want to send it from my server? And what software would I need if I ...
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340 views

Ubuntu, postfix, dovecot mail server cannot configure with Outlook or Thunderbird mail client

I have successfully configured my email server with digital-ocean ubuntu 18.04 LEMP droplet and everything work fine so far. I can send & receive email and also successfully configured with round-...
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help me my server seems to be sending spam!

Running on Ubuntu 18, pretty recently installed server (started a couple of weeks ago, installation is not yet finished...). Trying to setup a simple mail server to send mail from php and host a few ...
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6 votes
2 answers
2k views

What simpler mail server can I use instead of postfix?

I have a home server which needs a mail server for error messages, mostly. I used postfix but I find the features/complexity compromises not optimal for my home server: there are tens of lines to ...
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Can I have a mail server and use gmail at the same time?

I am configuring a mail server (vps) I installed Postfix and Roundcube, after some hours of configuration I got the connection with MySql and gmail working, the problem is I don't have a user yet so ...
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1 answer
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Is it safe to delete folders for unused accounts in var/mail?

My colleague sadly died last year, and managed the Dovecot accounts on our ancient Ubuntu (6.10) server, and I know absolutely zero about Dovecot or email server admin. We have several discontinued ...
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1 vote
1 answer
91 views

Sending email from Gmail account to local Ubuntu server

I have configured postfix on ubuntu 14.04 and can send email from command line to my personal Gmail account. Now I want to send email from my Gmail account to my Ubuntu server. How can I do that?
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How to set Thunderbird leave messages on server in Ubuntu 18.04?

I'm trying to set up Thunderbird with secondary mail account and want it to leave messages on server. There was such a feature, at least in Windows earlier, like this: But I can't see those tick box ...
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Postfix.Dovecot/mysql mailserver setup

I started setting up my mail-server in February. I haven't been able to get it working since. I also haven't been able to get issue specific guidance from google. My issue as it stands now is as ...
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2 votes
2 answers
159 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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How to deny authentication on port 25 in Exim mail server

I have the following config in exim.cnf daemon_smtp_ports = 25:465 ######################## Exim TLS tls_advertise_hosts = * tls_on_connect_ports = 465 tls_certificate=/opt/ssl/...
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Simple Mail/SMTP Server with DKIM

I want o set on my Linux machine(Ubuntu Server 18.04) a simple email server. I need to: be able to create emails be able to forward (receive in one email) and sent to others Not deliver itself ...
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how to get squirrelmail, Apache2 and citadel working together?

I need to know how to get Apache2, citadel and squirrelmail to work together as citadel is a powerful and useful mail software. The problem is that it can only receive mails from inside it's own ...
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Running multiple services on one Ubuntu Server

I have 2 PC's - 1 i am running pfsense and will be a dedicated machine for that purpose(unless i can run it all on one). 2nd machine i have i was thinking of putting Mail Server, NAS, and Nexcloud/...
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2 votes
1 answer
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Hostname in postfix changing automatically during installation

I was installing tlp for ubuntu. During installation a dialog box for changing postfix configuration had popped up, and I went with the default options, setting the hostname as Jayant. Now, when I ...
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1 answer
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Is it wise to install mail and webhosting on one server? [closed]

I own a server, which runs apache to deliver webpages. Because I already own a domain and a server, I asked myself whether it's wise to install mail services on this server. A mail server is very ...
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3 votes
2 answers
7k views

How can I change displayed name as sender?

I send email from my server like this: echo "This is the body of the email" | mail -s "This is the subject line" user@example.com Noted that I replace user@example.com with a real email address. And ...
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2 votes
0 answers
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How to setup a mail server on Ubuntu to send and receive mail?

For the last couple of days I have been trying to setup my VPS server to send and receive emails without using 3rd party services (e.g. gmail, hotmail...). I have a website hosted on my VPS that is ...
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1 answer
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Build a local mail-server

I want to set an email local server on my system. I found an article for Windows in which the guy use hmailserver. In this article seems that you don't need of an external DNS server. Is there ...
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0 answers
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my mailserver is not responding when I send a ehlo localhost

I tried to make a mailserver with this tutorial I work with Ubuntu Server 16.04 Executing the testing part doesn't provide any respond from my local mailserver (when I send a ehlo localhost message)...
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1 vote
1 answer
576 views

Where can I find a tutorial on setting up a secure mail server? [closed]

Is there somewhere a good tutorial on how I can set up a secure mail server with Ubuntu server? I'd like to try it so I can do some practice with Linux system administration.
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Dumping spam emails to one mailbox for processing using spamassassin and postfix on a mail relay server

Our organization is using postfix on Ubuntu as a mail relay server so there's no official mailboxes on it other than root. I've noticed some spam in the log which spamassassin caught, but they're ...
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4 votes
1 answer
2k views

Setting up sendmail on a server without webserver

I want to use sendmail so that fail2ban can send me notifications. I have read multiple guides on how to set it up, but I cannot get it to work. What I have done so far: apt-get install sendmail ...
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web and mail server under same ip with different names

i have followed this Digital Ocean Mail-in-a-box tutorial to set up Mail server in existing Web server. hostname: box.somename.com i also have domain with Domain name: www.somename.com Name ...
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UFW blocks all traffic after enabled

I have Ubuntu 16.04 mail server. Suddenly ufw block all traffic (incoming and outgoing). I have not changed any config files. What can I do now? When I turn on ufw, all traffic is blocked.
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Ubuntu Server 14.04 suddenly stopped serving webpages

I installed iRedMail and set up virtual hosts to put up my own webpage along side the iredMail installation. I also put in free certificates from StartSSL.com. Everything was working great. Then I ...
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Where is the junk folder that I created in Thunderbird on an ubuntu system?

I am using Thunderbird on Windows 7 to fetch emails from my ubuntu server. I found my mails being stored in /var/qmail/mailnames/domain.de/info/Maildir/cur but neither in /var/qmail/mailnames/domain....
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2 votes
1 answer
735 views

Ubuntu 14.04 Exim 4.82 how to make tls_sni variable expanded in tls_certifcate?

I can't figure out how to make exim 4.82 recognise variable ${tls_sni} in tls_certificate section. I'm trying to make exim use per-domain certificates, but I'm getting an error expansion of ...
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SpamAssassing handles only one domain

After installing Postfix, Dovecot, SpamAssassing, Sieve and Amavis on my server (web01.mydomain.com) everything seems to be fine - spam mails addressed to e.g. stefan@mydomain.com or info@mydomain.com ...
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3 votes
1 answer
9k views

Cannot open mailbox /var/mail/<user>: Permission denied

Why can't I read mail with the mail command? (There's almost certainly a problem with the mail-stack-delivery configuration, either postfix or dovecot, or both, but I should still be able to at ...
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