Questions tagged [mail-server]

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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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1answer
48 views

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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51 views

Thunderbird error: mail server xyz is not an IMAP4 Server

Rather silly question, but I'm getting: Mail server xyz is not an IMAP4 Server which is, indeed, correct. However, I can't see where to correct the mail server. I've looked in SMTP and of course ...
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42 views

18.04: Unattended Upgrades Don't Send Email Notification

After installing unattended upgrades and set it up correctly with all the security updates. I can see everything in the log files. However, it does not send me email notifications. I have the option ...
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1answer
906 views

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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30 views

How to setup a perfect HA solution in Ubuntu

I am trying to set up an HA solution that can be used with a web application and a web server. One stack is drbd + pacemaker + corosync. with drbd I am not able to replicate data automatically. I am ...
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1answer
41 views

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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1answer
250 views

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I followed this slightly outdated tutorial for setting up my ubuntu server as a send-only mail server using my FastMail account as an SMTP relay but I ran into some problems.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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0answers
30 views

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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197 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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1answer
128 views

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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2answers
687 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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2answers
78 views

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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1answer
137 views

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 ...
1
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1answer
33 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?
1
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1answer
278 views

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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1answer
106 views

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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2answers
95 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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1answer
733 views

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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1answer
632 views

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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0answers
138 views

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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1answer
618 views

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/...
2
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1answer
513 views

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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1answer
39 views

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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2answers
3k 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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0answers
749 views

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 ...
0
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1answer
1k views

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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0answers
149 views

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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1answer
537 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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1answer
517 views

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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0answers
434 views

Package Installation failed

im trying to install mailcow on my Ubuntu 16.04.2 VPS. The installer try to install the following packages: apt-get --allow-remove-essential -y install dnsutils sudo zip bzip2 unzip unrar-free curl ...
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1answer
884 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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0answers
386 views

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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1answer
901 views

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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1answer
224 views

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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1answer
7k views

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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1answer
638 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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1answer
50 views

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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1answer
6k 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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1answer
475 views

Unable to receive mail from outside on ubuntu webmin postfix mail server

I have an ubuntu server which is on virtual machine running on windows server. I have installed webmin on my ubuntu server to be able to configure mail settings and mail servers. I've set my adsl 2+...
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1answer
2k views

Server hangs on reboot when clam is running

In a nutshell Rebooting normally takes under 1 minute, but if clamav-daemon is running, a reboot will take 30 minutes exactly. Overview I have a Ubuntu 15.10 "cloud" mail server: postfix, dovecot, ...
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1answer
14k views

Round cube login connection to storage server failed

I have multiple domains working on my mail server, and all are working normally, I configured new mail domain "newdomain.ae" normally on mysql mail db, created new user, inbox was created on server, ...
1
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1answer
980 views

What is installed with the `mail-server` metapackage installed from `tasksel`?

I'm in the need of installing the mail-server metapackage on my Ubuntu Server 15.10 machine. I have installed the mail-server metapackage with the sudo tasksel command; but I'm not sure what to do ...
1
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2answers
1k views

Train rspamd filter

I have rspamd installed and configured as my spam filter of choice, along with dovecot and postfix. It's working well, but it occasionally misses the odd spam message here and there. How can I train ...
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0answers
62 views

Mail Server send spams

My mail server got black-listed on Barracuda for some reason, how to make sure if my mail server is sending spams or if some script on it is sending bulk mails/spamming ?
2
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1answer
9k views

postfix - can't send external mail - relay access denied

I've been trying to set up a mail server with postfix. Sending/receiving local mail and receiving external mail works. However, sending external mail does not work. When I start sending a message ...
0
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1answer
4k views

Error connecting to IMAP server: mail.mydomain.com. 111 : Connection refused

I get Error connecting to IMAP server: mail.mydomain.com. 111 : Connection refused when logging to my mail server through Squirrelmail I made mail server setup using this tutorial https://www....
1
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1answer
352 views

My Kmail does not load mails from gmx.de anymore

Being on Kubuntu 14.4, my Kmail stopped loading mails from GMX.de a couple of days ago. Getting mails from WEB.de (both freemail services belong to the same company) works. I have no idea what ...
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1answer
381 views

i installed iredmail on my ubuntu desktop 14.04 but why is it i cant access the emails on another pc

I installed ired mail but I can only access the web mail app using my own computer but if I try to access it in another computer is saying server not found on the web page
2
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1answer
136 views

Ubuntu mail server worth it?

Currently i have 3 domains on a vps from digital ocean (running 14.04). Ive installed a lamp stack by following tutorials. Now I looked for an own mail server but most forums said it wasn't easy and ...