Email Outreach
Building a Multi-Domain Email Sending Architecture
Sending all cold outreach from one domain is a single point of failure. Here is how to build a multi-domain architecture with redundancy and isolation.
Basel Ismail
May 29, 2026·9 min
Email Outreach
Email Sending Infrastructure for Cold Outreach: A Complete Setup Guide
Set up a scalable cold outreach infrastructure with multiple domains, sending accounts, and proper authentication for maximum deliverability.
Basel Ismail
May 27, 2026·9 min
Email Outreach
SPF, DKIM, and DMARC: The Technical Foundation for Outreach Success
SPF, DKIM, and DMARC are mandatory for email outreach in 2026. Here is how to set up all three protocols with a step-by-step rollout timeline.
Basel Ismail
May 25, 2026·9 min
Email Outreach
How Email Verification Prevents Your Domain from Getting Blacklisted
A 5 percent bounce rate can destroy your email deliverability. Here is how email verification prevents blacklisting and protects your sender reputation.
Basel Ismail
Apr 24, 2026·9 min