Articles about mail server | UserComp.com

Stop Postfix Sending Mail to Recipient Outside Domain
Stop Postfix Sending Mail to Recipient Outside Domain

Learn how to configure Postfix to only send emails within the local domain.

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Retrieving Emails on Fedora Dovecot Postfix Homeserver
Retrieving Emails on Fedora Dovecot Postfix Homeserver

This article guides you through the process of retrieving emails on a Fedora Dovecot Postfix homeserver, focusing on setting up a standard email account with Libero.it. Let's get started!

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Fixing Debian Postfix, Dovecot, and SpamAssassin: External Emails Not Accepted But Outgoing Mails Sent
Fixing Debian Postfix, Dovecot, and SpamAssassin: External Emails Not Accepted But Outgoing Mails Sent

Having trouble with your Debian email server using Postfix, Dovecot, and SpamAssassin? You may find that external emails are not being accepted, but outgoing mails are being sent. This issue might be related to incorrect parameter settings. Despite your server not being an open relay, you suspect there is a problem with the configuration. Read on to learn how to resolve this common tech support problem and optimize your email server for smooth operation.

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Troubleshooting Email Issues with Local Postfix Email Server Setup
Troubleshooting Email Issues with Local Postfix Email Server Setup

Having issues setting up a local Postfix email server with Dovecot? This article covers common issues, including incoming ports open in the firewall and enabled protocols (SMTP, IMAP). Learn how to optimize your email server for SEO and invite your audience to read more on our tech support site.

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Setting up Email Server with ISP blocking port 25 on VPS using WireGuard tunnel
Setting up Email Server with ISP blocking port 25 on VPS using WireGuard tunnel

This article guides you through the process of setting up an email server on a VPS when your ISP blocks port 25. We will use WireGuard to create a secure tunnel for accessing the server and testing the setup with a basic web server.

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Setting Up Mail Server Forwarding on Router for NAS
Setting Up Mail Server Forwarding on Router for NAS

Learn how to set up email forwarding on a router for a NAS running a mail server.

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Setting DNS Records for Your Mail Server on a Tech Support Site
Setting DNS Records for Your Mail Server on a Tech Support Site

Learn how to set DNS records for your mail server on a tech support site. Follow these steps to create a subdomain and configure your DNS records for your NAS domain registrar. This guide will help you get your mail server up and running in no time.

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Understanding SMTP Server Limits for Direct Email Relays with Postfix
Understanding SMTP Server Limits for Direct Email Relays with Postfix

Learn about SMTP server limits when setting up a Gmail relay mail server as the final destination, not another relay, and how Postfix can help. This SEO-optimized abstract introduces the topic of SMTP server limits and direct email relays using Postfix.

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Running Additional Services with Docker Compose: A Mail Server Example
Running Additional Services with Docker Compose: A Mail Server Example

Learn how to run a mail server using Docker Compose. This example uses the docker-mailserver image and sets up the container with a custom image name, container name, hostname, and ports.

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Configuring Docker Mail Server to Send Emails on Behalf of Another Domain
Configuring Docker Mail Server to Send Emails on Behalf of Another Domain

Learn how to configure a Docker mail server to send emails on behalf of another domain. This setup allows you to manage multiple email domains using a single mail server.

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Setting up DKIM on a MacOS Home Server with Dovecot and OpenDKIM
Setting up DKIM on a MacOS Home Server with Dovecot and OpenDKIM

Learn how to set up DomainKeys Identified Mail (DKIM) on a MacOS home server using Dovecot and OpenDKIM. Follow these steps to improve email security and deliverability.

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Setting Up an Internal Email Server (Docker) for Application Home Lab Use
Setting Up an Internal Email Server (Docker) for Application Home Lab Use

Learn how to set up an internal email server using Docker for application home lab use. This guide covers the basics of allowing applications to send emails using an internal server.

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Mail Server Rewriting Addresses: Handling One Envelope Recipient in Spam
Mail Server Rewriting Addresses: Handling One Envelope Recipient in Spam

Learn how to handle one envelope recipient spam in email delivery by configuring your mail server to rewrite addresses.

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Postfix Mail Server Installation Fails to Send Emails to Gmail, Works with ProtonMail: TLS Issue Solution
Postfix Mail Server Installation Fails to Send Emails to Gmail, Works with ProtonMail: TLS Issue Solution

This article provides a solution to an issue where Postfix Mail Server fails to send emails to Gmail but works with ProtonMail, which is caused by a TLS issue. Learn how to resolve this problem and successfully send emails from Postfix Mail Server to Gmail.

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Understanding Postfix Milter Use in Tech Support
Understanding Postfix Milter Use in Tech Support

Learn about Postfix Milter use in tech support, including its format and implementation.

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Accessing Docker Mail Server within Another Docker Container: Mailserver Vaultwarden (Bitwarden_rs)
Accessing Docker Mail Server within Another Docker Container: Mailserver Vaultwarden (Bitwarden_rs)

This article explains how to access the mail server provided by another Docker container, specifically Mailserver Vaultwarden (Bitwarden_rs), which offers SMTP IMAP services.

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Accessing Docker Mail Server: Vaultwarden (Bitwarden_rs) and Mailserver
Accessing Docker Mail Server: Vaultwarden (Bitwarden_rs) and Mailserver

Learn how to access the SMPT/IMAP services of two Docker containers, Vaultwarden (Bitwarden_rs) and Mailserver, running on a host.

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Postfix: Deleting Old Emails on a VPS with Ubuntu and POP
Postfix: Deleting Old Emails on a VPS with Ubuntu and POP

Learn how to configure Postfix on a Ubuntu VPS to delete old emails using POP. This tutorial covers Postfix, Dovecot, and SpamAssassin.

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Setting Up SMTP Server: Understanding Port Listening, Relay/Submission
Setting Up SMTP Server: Understanding Port Listening, Relay/Submission

This article explains the concept of SMTP port listening, relay, and submission in the context of setting up an SMTP server. By understanding these concepts, you'll be able to configure your server effectively. RFCs 821 and 6409 are essential resources for this task.

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Configuring Reverse DNS for Home Email Server IPv6 on Ubuntu 22.04
Configuring Reverse DNS for Home Email Server IPv6 on Ubuntu 22.04

Learn how to configure Reverse DNS for your home email server using IPv6 on Ubuntu 22.04. Ensure reliable email delivery by following this step-by-step guide.

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Handling DMARC Fails with SPF and DKIM Passes on Mail Servers
Handling DMARC Fails with SPF and DKIM Passes on Mail Servers

In this article, we will discuss how to handle DMARC fails with SPF and DKIM passes on mail servers. Learn the steps to troubleshoot and improve email security.

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Setting Up a Local Email Server with Thunderbird for Multiple Accounts
Setting Up a Local Email Server with Thunderbird for Multiple Accounts

Learn how to set up a local email server using Thunderbird for managing multiple email accounts on your PC.

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Dovecot: Mailbox Folder Disappearance after Migrating from mbox to maildir++ Layout
Dovecot: Mailbox Folder Disappearance after Migrating from mbox to maildir++ Layout

This article explains the issue of mailbox folder disappearance after migrating from mbox to maildir++ layout using Dovecot.

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Understanding Postfix Lookup Table in Tech Support
Understanding Postfix Lookup Table in Tech Support

When trying to send mail locally using Postfix, the concept of a lookup table might come up during troubleshooting. In this article, we'll discuss what a Postfix lookup table is and how it's used.

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Configuring Two Ubuntu Servers on LAN for Apache, Mail Server, Nextcloud, and Samba
Configuring Two Ubuntu Servers on LAN for Apache, Mail Server, Nextcloud, and Samba

Learn how to configure two Ubuntu 22.04 servers on a Local Area Network (LAN) to run Apache web servers, Mail Servers, Nextcloud, and Samba for local sharing.

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Configuring Postfix Mail Server for Multiple Domains: SPF, DKIM, and DMARC
Configuring Postfix Mail Server for Multiple Domains: SPF, DKIM, and DMARC

In this article, we will guide you through the process of configuring Postfix mail server to support multiple domains using SPF, DKIM, and DMARC. We will also cover the importance of setting up reverse DNS for each domain.

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Setting Static IP for Aim Hosting Site Email Server using Static DHCP from Cox Cable
Setting Static IP for Aim Hosting Site Email Server using Static DHCP from Cox Cable

Learn how to set a static IP address for your Aim Hosting site email server using Static DHCP from Cox Cable.

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Correctly Using Postfix Virtual Aliases for Email Routing
Correctly Using Postfix Virtual Aliases for Email Routing

In this tech support article, we will guide you on how to correctly use Postfix virtual aliases to route emails to specific user accounts. We will cover the process of editing the virtual file in Postfix to set up email forwarding for a specific domain and username.

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Migrating Zimbra Mail Server to G Suite or Google Workspace
Migrating Zimbra Mail Server to G Suite or Google Workspace

Learn how to migrate your Zimbra Mail Server to G Suite or Google Workspace. This article provides step-by-step instructions and tips for a successful email migration process. Discover the benefits of using Google's powerful productivity tools and seamless integration with your existing infrastructure.

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Multiple MX DNS entries for mail server backup / redundancy?
Multiple MX DNS entries for mail server backup / redundancy?

Learn how to configure multiple MX DNS entries for mail server backup and redundancy. Ensure uninterrupted email communication and protect against server failures.

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How to Get the Certificate of an Email Server with Offlineimap
How to Get the Certificate of an Email Server with Offlineimap

Learn how to obtain the certificate of an email server using Offlineimap and OpenSSL. This article provides step-by-step instructions for retrieving the certificate, ensuring secure communication with the server.

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Dovecot and Two Places for Messages: Troubleshooting Guide
Dovecot and Two Places for Messages: Troubleshooting Guide

Learn how to troubleshoot and resolve the issue of message duplication in Dovecot email server. This guide provides step-by-step instructions and solutions to ensure your messages are stored in the correct places, avoiding any potential data loss or confusion.

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How to Retrieve and Reconstitute Legible Email Data Locally When SMTP Mail Server Copies are Unavailable
How to Retrieve and Reconstitute Legible Email Data Locally When SMTP Mail Server Copies are Unavailable

Learn how to retrieve and reconstitute legible email data when copies on the SMTP mail server are unavailable. This article provides step-by-step instructions for recovering email data locally using popular email clients like Thunderbird and Apple Mail.

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Outlook.com Email Server Relaying to Other Organizations Using Outlook.com
Outlook.com Email Server Relaying to Other Organizations Using Outlook.com

Learn how to configure Outlook.com email server to relay messages to other organizations also using Outlook.com. This article provides step-by-step instructions and troubleshooting tips for seamless email communication within the Office365 and Exchange environment.

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