Pidgely
Practical guides on email deliverability, authentication and sending at scale.
How email feedback loops and ARF complaint reports work, how to measure complaint rate correctly, and practical ways to keep it under Gmail's 0.1% target.
5 min read
How to receive email event webhooks safely: verify Standard Webhooks signatures, block replays, handle retries and process events idempotently, with code.
4 min read
A practical checklist of the Gmail and Yahoo bulk sender requirements: authentication, DMARC alignment, one-click unsubscribe, spam rate limits and DNS.
5 min read
The difference between hard and soft bounces, how to read SMTP and enhanced status codes, and how to build suppression rules that protect your reputation.
6 min read
A practical IP warm-up guide: how to ramp volume on a new sending IP, which signals to watch at each mailbox provider, and the mistakes that reset reputation.
5 min read
Implement List-Unsubscribe and List-Unsubscribe-Post per RFC 8058: headers, DKIM signing, the POST endpoint, and how to avoid link scanners unsubscribing users.
5 min read
Should you run your own MTA or use an email API? A practical comparison of costs, deliverability work, control and vendor lock-in, plus how to stay portable.
6 min read
Shared vs dedicated sending IPs explained: how reputation works on each, the volume you need for a dedicated IP, costs, risks and a simple decision framework.
5 min read
How SPF, DKIM and DMARC work together, how alignment really works, and a step-by-step setup with DNS records you can copy and adapt.
6 min read
Why separating transactional and marketing email protects deliverability, and how to split streams by subdomain, IP pool, suppression scope and sending policy.
5 min read
How VERP encodes the recipient in the return-path, how to parse RFC 3464 DSNs, and how to tell real bounces from auto-replies in an automated bounce pipeline.
5 min read
Pidgely is a developer email API that runs its own MTA. Here is why we built it, what already works today, and what comes after email.
2 min read
Find out why your emails land in spam: a step-by-step guide to authentication, reputation, list quality, content and infrastructure, with checks to run today.
5 min read