Questions tagged [postfix]

Open source email server for Unix

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Postfix SASLnot workign on upgrade to 19.10

I upgraded from 18.04LTS to 19.10. However, postfix with SASL (cyrus) has stopped working. It is configured as a smarthost/relay for smtp.office365.com:587 using the normal methods as described widely....
Ian Broster's user avatar
0 votes
1 answer
191 views

Not receiving mail notification

I recently installed Nagios Core 4.4.3, after a while I wanted to set up mail notification, I installed Postfix (GMAIL SMTP Config) and the config seems to be fine as I tried to send some mails but ...
Moses0404's user avatar
1 vote
1 answer
820 views

Change server mail from postfix to sendmail virtualmin

Hi I have already install an ubuntu server with postfix and sendmail mail servers.Although postfix runs perfectly when I go to Virtualmin panel>Virtual Configuration>And choose sendmail mail server to ...
Konstantinos's user avatar
0 votes
1 answer
200 views

Mails sent from the command line not appearing in inbox or spam folder

I sent some test mails using the command line. In the log I can see that status = sent, but I am not getting any emails in my inbox or spam folder. Oct 11 15:51:01 ip-10-0-1-80 postfix/local[20606]: ...
Siddhant's user avatar
1 vote
0 answers
1k views

Ubuntu Server, Postfix, Localhost, Temporary Lookup Failure

I installed Ubuntu Server 18.04, installed Apache, MySQL, PhpMyAdmin, Postfix, Dovecot, Mailman, etc from the Ubuntu Server guide on Ubuntu Documentation website and I am getting this error when ...
Levi's user avatar
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1 answer
6k views

Postfix + Ubuntu: SASL LOGIN authentication failed: authentication failure

On Ubuntu 18.04 server, I use Webmin and Virtualmin to manage the server and the virtual host. Looking at the file: /var/log/mail.log I have this: Sep 5 12:11:50 ns3147326 postfix/smtpd[17356]: ...
CuriousMind's user avatar
1 vote
1 answer
160 views

No email message when attachment is sent

I am writing a script that sends log files via the terminal to my email address. It appears, that when I'm using the -A flag, the message itself does not show in the email. echo "This is the message ...
drumcoh's user avatar
  • 35
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Postfix | Because When I send a email to Gmail, this is received as spam?

I had installed Postfix with the configuration mode: Internet SIte My file /etc/postfix/main.cf have follow it: # See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian ...
Mr Brown's user avatar
-1 votes
1 answer
56 views

Connect to postfix from two different servers with two different user/pass combinations

I have 3 vps servers: two of them hosting a website each and a third one hosts postfix. VPS [1]: domainone.com VPS [2]: domaintwo.com VPS [3]: smtp.domainthree.com How do i connect from vps [1] to ...
Melody's user avatar
  • 13
2 votes
0 answers
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Can Admin Notifications by Email be Set up without an FQDN?

I am attempting to migrate a personal/family server from AWS to a local Ubuntu 18.04 server. I want to experiment with this local server for possibly months before cancelling the AWS server, so prefer ...
HumanJHawkins's user avatar
1 vote
1 answer
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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 ...
d1che's user avatar
  • 21
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1 answer
114 views

Update Libreoffice and Delete Evolution mail client

I just update Libreoffice because it wasn't working properly by: snap install libreoffice But I install a newer version and keep the old one. And did not get the programs working yet. So I update ...
Juan José Ramos's user avatar
2 votes
1 answer
5k views

Why doesn't postfix/dovecot receive mails from Gmail?

I'm setting up a Postfix server that use Dovecot SASL Authentication on a EC2 virtual machine with an ubuntu 16.04 Xenial. I can send mails to my Gmail account but I cannot receive them. It supposed ...
Santiago Madrid's user avatar
0 votes
1 answer
6k views

Postfix outgoing SMTP: "connection timed out"

I have a little problem with my postfix. The thing is that I can receive emails but when I send an email I get a Connection timed out error. connect to outlook-com.olc.protection.outlook.com[104.47.5....
ddegraaf's user avatar
0 votes
1 answer
3k views

Postfix trying to contact wrong server when sending emails?

I'm new to Linux servers and am trying to setup a Drupal site. However, when the site sends an email, postfix/SMTP tries to contact the local web server, and the connection is refused. I've been ...
Hamish's user avatar
  • 3
1 vote
0 answers
487 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-...
Madushan Perera's user avatar
0 votes
1 answer
430 views

why sed is not replacing special character <

I am trying to replace charater < with empty or no charaeter in this file /etc/dovecot/conf.d/10-ssl.conf My script is sudo sed -i 's/\<\/etc\/dovecot\/private\/dovecot\.pem/\/etc\/dovecot\/...
masiboo's user avatar
  • 103
0 votes
1 answer
893 views

Find the process that is shutting down or killing a program or service in Linux

In my situation, Postfix mysteriously shuts itself down: postfix/postfix-script stopping the Postfix mail system On a fresh Ubuntu 18.04, when I run service postfix start It starts up, but the a few ...
Dagelf's user avatar
  • 1,267
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629 views

Send email to gmail using postfix

I am trying to send an email to my gmail using postfix. I am using bash on ubuntu on windows 10. I have tried the website tutorials and was unsuccessful. main.cf: # See /usr/share/postfix/main.cf....
Robert Phares's user avatar
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0 answers
593 views

Can't send email from Ubuntu 18.04.2 LTS inside Vmware [duplicate]

I have Ubuntu 18.04.2 LTS installed on Vmware, inside Windows. Using terminal, I'm trying to send a test e-mail using this command: echo "Test Email message body" | mail -s "Email test subject" ...
Rogério Dec's user avatar
0 votes
0 answers
72 views

Postfix and GMail

I have set up postfix on a server that it forwards root mail to my Gmail. I have a problem with postfix. When mail from root@mydomain come to Gmail it goes to Inbox Folder and Send Folder. The Send ...
Bob's user avatar
  • 208
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1 answer
246 views

Removing mail-stack-delivery doesn't remove its components

Once I installed mail-stack-delivery $ sudo apt-get install mail-stack-delivery I decided I wanted something else, so I tried to uninstall it $ sudo apt-get remove --auto-remove mail-stack-delivery ...
Mateusz Sowiński's user avatar
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1 answer
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Regex for fail2ban config file to match pregreet lines in mail.log

The lines in mail.log to match are like: May 6 10:06:16 mikes-serverbox postfix/postscreen[15486]: PREGREET 14 after 0.1 from [173.225.99.104]:57130: EHLO ylmf-pc\r\n May 9 11:36:36 mikes-...
viDim's user avatar
  • 23
1 vote
1 answer
2k views

How to reject incoming e-mail with Postfix?

I would like postfix to not accept incoming mail. I do however use it for sending e-mail, so I cannot simply uninstall it. How can I configure postfix to reject all incoming mail?
Amadeu Antunes's user avatar
0 votes
1 answer
1k views

Error when installing postfix 18.04 LTS

Haven't done much on this machine yet but when I try to install Postfix it does this to me. I am trying to build an email server for my Linux class. root@mail:~# sudo apt-get install postfix -y ...
LinuxNewb420's user avatar
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1 answer
348 views

Postfix--running--SMTPS still is closed

I have created a certificate and applied all the necessary changes to configuration files in the postfix.main and postfix.master files. I also edited the dovecot.file to enable SASL-AUTH. I have made ...
user avatar
2 votes
1 answer
3k views

Cannot send mail from command line, sasl authentication error

I followed the instructions here How to send an email using command line?, but it dont work. When I test mailing someone it return: (SASL authentication failed; server smtp.gmail.com[74.125.130.109] ...
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0 votes
1 answer
2k views

change outgoing (send only) email from www-data@ to info@

Running Ubuntu Server 16.04 having searched for days and tried many things that did'nt work, here i am. I have a PHP script that sends email (out bound only) to a list of subscribers and it works fine!...
lmao32895's user avatar
2 votes
3 answers
9k views

Postfix continue sending mails with the hostname instead of the domain

I'm trying to configure Postfix to only send (not receive) emails. I have followed this guide, but I didn't change my hostname to match my domain, because if I can avoid it, I would like to do it. So,...
amedina's user avatar
  • 121
-3 votes
1 answer
179 views

No report from backup.sh to mail

I have a problem with the backup report in Ubuntu Server 16.04. In /usr/local/bin I have backup.sh and for some time I do not get a report from this script to mail. In /var/mail/nobody I see that ...
k_turek's user avatar
  • 101
4 votes
1 answer
4k views

DKIM failure 'body hash did not verify', but only on CRON output

I have successfully installed Postfix and OpenDkim on my server, and it's correctly signing mail from several different domains. The host we'll call webhost.example.com. It's running Ubuntu 18.04.2 ...
CatchAsCatchCan's user avatar
0 votes
0 answers
152 views

Emails that forward back to us from external SMTP server

I have a Mail server (FQDN: mail.ours.com) using Postfix and Dovecot, users having email address like [email protected]. Like many others SMTP server, if user claim that they are from @ours.com, they need ...
Michael Ouyang's user avatar
0 votes
0 answers
433 views

Gmail does not receive mail from my server

Install Postfix on my server You have set all settings But the problem is that the server sends mail to all servers except Gmail Have any of you experienced this problem before? How can I solve it?
Ahmed Hekal's user avatar
1 vote
0 answers
1k views

Mail sent successfully but failed to be received

I tried to send mail to personal email me@host:~$ mail -s "Sending a Tesing" [email protected] Cc: [email protected] This is a testing mail. The records : me@host:~$ tail -n 15 /var/...
Alice's user avatar
  • 1,710
2 votes
1 answer
1k views

Baffling menu when installing RKHunter

Someone advised me to install a program called rkhunter for security. I've tried to do so, just using the apt command at the terminal, but am presented with a weird message about e-mail servers. I ...
A. B.'s user avatar
  • 121
0 votes
1 answer
4k views

Ubuntu MX records

I am little confused about MX records. At least I think that is the problem, I followed a lot of guides about how to setup postfix, postfixadmin, dovecot on my VPS with Ubuntu 16.04, but I had no luck ...
Tolis's user avatar
  • 11
0 votes
0 answers
231 views

POP3 problem. Cannot receive mail in Thunderbird

I'm having trouble with Thunderbird. Again. When I click Get Messages it gives me this error: When I click OK I get this: I tried to enter a new password. changed the user password twice but it ...
Habiba Khanfir's user avatar
0 votes
1 answer
2k views

Someone used my postfix to send mails

I just received mail from my server provider that my server is sending mails..i don't know about these mails and i never used smtp of that server before..can anyone guide me how this is possible?...
Minner's user avatar
  • 13
0 votes
2 answers
323 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 ...
Irodoku's user avatar
1 vote
1 answer
98 views

Ubuntu postfix help

I now have this setup in postfix: sudo nano main.cf inet_interfaces = loopback-only relayhost = [smtp.gmail.com]:587 smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/...
Rene Mortensen's user avatar
3 votes
0 answers
3k views

Postfix: Allow only one specific sender to send email

I want to allow only one sender with a specific address to send email on the localhost main.cf smtpd_sender_restrictions = check_sender_access hash:/etc/postfix/senders, reject senders ...
calypso51's user avatar
0 votes
0 answers
413 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 ...
brettstix's user avatar
0 votes
1 answer
882 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 ...
Asarluhi's user avatar
  • 1,607
2 votes
1 answer
744 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 ...
PROgram52bc's user avatar
0 votes
1 answer
2k 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 ...
Matija Lukic's user avatar
1 vote
1 answer
444 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....
VPAN's user avatar
  • 11
0 votes
1 answer
2k 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 ...
CarliumYT's user avatar
0 votes
1 answer
1k 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 ...
Qaiser Wali's user avatar
3 votes
1 answer
4k 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 ...
r4ptor's user avatar
  • 31
2 votes
2 answers
229 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 --...
Cliff Crerar's user avatar

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