How email delivery works, queue architecture, and IP strategy. — 3 guides.
Email Infrastructure
From Send button to inbox — MTA handoff, SMTP conversation, MX lookup, and TLS negotiation.
Mar 25, 2026 · 2 min read · Beginner
Email Infrastructure
How Senddera breaks campaigns into queue jobs, processes them with workers, handles retries, and tracks status.
Mar 21, 2026 · 1 min read · Intermediate
Email Infrastructure
Compare dedicated and shared IPs — reputation, warmup, and recommendations by volume.
Feb 13, 2026 · 2 min read · Beginner
One-time license · unlimited subscribers · full PHP source.