#postfix

Introduction Postfix is one of the most widely used Mail Transfer Agents (MTAs) in Linux...

xFusionCorp Industries has planned to set up a common email server in Stork DC. After several...

I started this post with a dig and felt good about it: $ dig +short TXT...

A relay with more than two years of uptime failed nearly every Gmail delivery because SPF, DKIM and forward-confirmed reverse DNS were broken independently. The root cause of the DKIM half was one word: tables mounted as refile: instead of file:, whi

Security researcher Cory Solovewicz says noreply.net received 401,796 messages after he acquired it...

Open Source Email Infrastructure 2026: Complete Self-Hosted SMTP Guide Building your own...

PostMTA vs Postfix: Enterprise Email Delivery Compared Postfix has been the default MTA...

Postfix is free and works for basic email sending. But for high-volume business email, PostMTA wins:...

If you run Linux servers that need to send alerts, backup reports, or monitoring notifications,...

My boss at work decided it was time to test my knowledge, patience, and DevOps engineering skills, so...

One way to send emails is by using third-party APIs. Another way is to connect to the SMTP server...

Open a tab on your browser, head to Gmail or yahoo mail or whatever other mail agent you use and then...