How to Configure Separate SMTP Credentials for Multiple Applications on One VPS
Learn how to give each website or application its own SMTP username and password on one Linux VPS. Configure authenticated submission, restrict…
Tag: Postfix
SMTP VPS for OTP and Password Reset Emails: Setup and Reliability Checklist
Learn how to configure an SMTP VPS for OTP and password reset emails. Follow a practical checklist for secure SMTP ports, DNS…
How to Fix a Stuck Email Queue on a Linux SMTP Server
Learn how to fix a stuck email queue on a Linux SMTP server. Check Postfix and Exim queues, read delivery errors, repair…
Mailcow vs iRedMail vs Postfix: Which Mail Server Setup Is Right for You?
Compare Mailcow, iRedMail, and Postfix for self-hosted VPS email. Learn the key differences in mailboxes, server requirements, setup effort, and SMTP delivery…
How to Set Up a Postfix SMTP Server on Ubuntu VPS
Learn how to set up a Postfix SMTP server on Ubuntu VPS, from installation and hostname configuration to TLS, DNS authentication, testing,…