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Thoughts, tutorials, and insights about web development, design, and technology. Sharing knowledge and experiences from my journey.

Transfer Emails From Mailcow Server to Another Server
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Apr 02, 2026 3 min
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Transfer Emails From Mailcow Server to Another Server

<h1>🛠 FULL EMAIL MIGRATION PROCESS</h1><hr /><h2><strong>Step 0: Preparation</strong></h2><ol> <li>SSH access to <strong>both servers</strong> (OLD and NEW).</li> <li>Make sure <strong>both Mailcow servers are running</strong>.</li> <li>Verify the …

Truncates the logs of the docker
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Mar 26, 2026 1 min
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Truncates the logs of the docker

<p>To truncate the logs of the Containers which grows lager&nbsp;</p> <p>It and see the how much it free space&nbsp;</p> <pre> <code class="language-bash">sudo find /var/lib/docker/containers/ -type …

Complete Mailcow Multi-Server Configuration Guide
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Mar 19, 2026 6 min
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Complete Mailcow Multi-Server Configuration Guide

<h1>Complete Mailcow Multi-Server Configuration Guide</h1> <h2>Overview</h2> <p>This guide documents how to configure two Mailcow servers to communicate using&nbsp;<strong>private IP addresses</strong>&nbsp;for reliable email delivery, bypassing public …

MailCow Mail Server Debuging
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Mar 18, 2026 1 min
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MailCow Mail Server Debuging

<h2>🔍 1. Search Postfix logs (main proof)</h2> <p>Run this on your server:</p> <pre> &nbsp;</pre> <p>docker compose logs postfix-mailcow | grep developers@samratnepal.com</p> <h3>Interpret results:</h3> <ul> <li> …

How to backup postgres database from docker
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Feb 24, 2026 2 min
11

How to backup postgres database from docker

<h1>🏗 Assumptions</h1><p>Your <code>docker-compose.yml</code> looks something like:</p><pre>&nbsp;</pre><p>services:<br />db:<br />image: postgres:15<br />container_name: my_postgres</p><p>Your database service name = <code>db</code></p><p>If yours is different, adju...

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