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Messaging

Messaging involves the exchange of certain data between processes, applications, and servers (both virtual and physical). These messages can consist of anything from plain text messages to blobs of binary data and serve to address a variety of different needs.

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    • Question

      The email has been received locally, but I couldn't read it through POP3 / imap？

      Maillog doesn’t show any errors. I see a new email in my / home / mail / domain / user / new. I just can’t read the email by using the client or telnet 110 / 143. Dovecot info The log doesn’t seem to show any errors. ...
      No answers yet • 2 months ago • By GiantElectricBlueShipCentOSMessagingNetworkingPostgreSQL
    • Question

      Access Mosquitto MQTT via Nginx

      I did a droplet with Nginx, Node-red, and Mosquitto because I want to send MQTT message from a RaspberryPi to the droplet. I adjusted the Nginx based on this page: https://iotassistant.io/home-assistant/install-mqtt-w...
      No answers yet • 4 months ago • By galgoczibalintUbuntuMiscellaneousMessagingQuickstartUbuntu 18.04NginxDigitalOcean Droplets
    • Question

      my emails not reaching the destination

      i set up powermta,ran an email test on smtper.net just to see if there will be any errors, but there was none, infact when i put in all required details ,immediately it said - message sent.but to my greatest surprise,...
      2 answers • 5 months ago • By yvonnekessy109DNSEmailMessaging
    • Question

      No access to my blog: www.truesource.xyz

      For about a month now, I cannot enter into my blog www.truesource.xyz Please make my blog accessible to me. I am still be charged for it. Please I am desperate. Here attached are copies of the receipts of my payments ...
      1 answer • 11 months ago • By truesource310Messaging
    • Question

      How to setup SMS notifications for when site is down?

      Our site went down and we did not know until a user contacted us. How can we setup SMS notifications similar to what AWS has? It will send an SMS message if the site is down for more than 5 min. Thank you
      2 answers • 2 years ago • By support1AnglerHigh AvailabilityMessaging
    • Question

      I can't sign into the support portal due to SSO issue

      Login Error We were unable to log you in to the support portal.Error: Unable to find a user
      2 answers • 2 years ago • By blbnguyenMessaging
    • Question

      How Do I Connect PHP Email Script to Postfix?

      I have a VPS where I’ve installed my site files, including the PHP email script that uses the php mail() function inside of the following directory (how my site directory/path is set up): /var/www/mywebsite.com/html/h...
      2 answers • 2 years ago • By AaronEsteban1EmailPHPUbuntu 18.04Messaging
    • Tutorial

      How To Install Apache Kafka on Debian 10

      Apache Kafka is a popular distributed message broker designed to efficiently handle large volumes of real-time data. In this tutorial, you will install and configure Apache Kafka 2.1.1 securely on a Debian 10 server, ...
      2 years ago • By bsderApacheMessagingDebian 10Open Source
    • Question

      Working with TheTexting SMS API

      Hi, I just had a quick question for anyone who might have experience with this using a Digital Ocean Droplet. I am a student trying to use the TheTexting SMS API from my droplet to send SMS messages. If you are not fa...
      1 answer • 3 years ago • By StellaCarterAPIMessaging
    • Question

      forward emails to non existing accounts to one central one in Postfix

      Hey guys, I have a (Linux) server running with Postfix as an email server. When registering to a new site I do not want to use a single mail twice so when my email gets leaked by a security breach at any site only thi...
      1 answer • 3 years ago • By ThoreMessagingEmailSecuritySolutionsInitial Server Setup
    • Tutorial

      How To Install Apache Kafka on Ubuntu 18.04

      Apache Kafka is a popular distributed message broker designed to efficiently handle large volumes of real-time data. In this tutorial, you will install and use Apache Kafka 1.1.0 on Ubuntu 18.04.
      3 years ago • By bsder, Hathy AApacheJavaMessagingUbuntu 18.04Ubuntu
    • Tutorial

      How To Install Apache Kafka on Debian 9

      Apache Kafka is a popular distributed message broker designed to efficiently handle large volumes of real-time data. In this tutorial, you will install and use Apache Kafka on Debian 9.
      3 years ago • By bsderApacheMessagingDebian 9
    • Tutorial

      How To Back Up, Import, and Migrate Your Apache Kafka Data on Debian 9

      Backing up your Apache Kafka data is an important practice that will help you recover from unintended data loss or bad data added to the cluster due to user error. In this tutorial, you will back up, import, and migra...
      3 years ago • By bsderMessagingApacheDebian 9
    • Tutorial

      How To Install Apache Kafka on CentOS 7

      Apache Kafka is a popular distributed message broker designed to efficiently handle large volumes of real-time data. In this tutorial, you will install and use Apache Kafka 1.1.0 on CentOS 7.
      3 years ago • By bsderApacheJavaMessagingCentOS
    • Tutorial

      How To Back Up, Import, and Migrate Your Apache Kafka Data on CentOS 7

      Backing up your Apache Kafka data is an important practice that will help you recover from unintended data loss or bad data added to the cluster due to user error. In this tutorial, you will back up, import, and migra...
      3 years ago • By bsderMessagingApacheBackupsCentOS
    • Tutorial

      How To Back Up, Import, and Migrate Your Apache Kafka Data on Ubuntu 18.04

      Backing up Apache Kafka data is an important practice to prevent unintended data loss. This tutorial will walk you through backing up, importing, and migrating your Kafka data on single and multiple Ubuntu 18.04 serve...
      3 years ago • By bsderMessagingApacheUbuntu 18.04Ubuntu
    • Question

      i have buy 5 $ and my account is under view when you think he will right to use because i have wait many time

      i have created my account and pay 5 $ but nothing the message say on my account your account is under view but when he will check
      2 answers • 4 years ago • By moistyjaysonMessaging
    • Tutorial

      How to Install and Secure the Mosquitto MQTT Messaging Broker on Ubuntu 18.04 [Quickstart]

      In this condensed quickstart tutorial we’ll install and configure the Mosquitto MQTT messaging server, and use Let’s Encrypt SSL certificates to secure our MQTT traffic.
      4 years ago • By Brian BoucheronMessagingMiscellaneousQuickstartUbuntuUbuntu 18.04
    • Question

      Can't Send Emails Using Both Postfix & Sendmail On Debian-9-64bit Fresh Droplet

      There’s a problem with either the DigitalOcean firewalls or something similar. Can’t send emails using both Postfix and Sendmail. I’ve put no firewalls in place. All ports open, but still can’t send. Please fix ASAP. ...
      1 answer • 4 years ago • By praneethcodesEmailApplicationsConceptualDigitalOcean Cloud FirewallsFirewallMessagingDebian
    • Question

      This is a test question

      This is a simple test question. Please ignore :)
      3 answers • 4 years ago • By Stephen BeckstrandMessaging