The Fromly blog
Guides on email authentication, deliverability and email marketing for SaaS, in plain words.
Fundamentals
- FundamentalsWhat is an email API? How sending email from your code worksLearn how an email API works, from the API key and HTTP request to delivery events, retries and rate limits, with curl and Node.js examples. · 9 min read
- FundamentalsTransactional vs marketing email: the difference, the gray zone and the rulesLearn what separates transactional from marketing email, where the gray zone is, which unsubscribe and consent rules apply, and how to send each one safely. · 7 min read
Deliverability
- DeliverabilityEmail bounce rate: what it means and how to bring it downLearn how to calculate your email bounce rate, tell hard from soft bounces, read SMTP bounce codes, and keep bounces low with suppression and list hygiene. · 6 min read
- DeliverabilityEmail deliverability: how to reach the inbox, not the spam folderLearn how email deliverability works, what inbox providers look at, what the Gmail and Yahoo sender rules require, and how to measure your inbox placement. · 7 min read
- DeliverabilityEmail list hygiene: how to keep your list clean and your emails in the inboxLearn why email lists decay, how bounces and spam traps hurt your sender reputation, and how to keep your list clean with verification and a sunset policy. · 7 min read
- DeliverabilityEmail sender reputation: how inboxes decide whether to trust youLearn how email sender reputation works, what builds and damages it, how to check it, and how to warm up a new domain or recover from a bad reputation. · 6 min read
- DeliverabilityHow to avoid the spam folder: what really decides itLearn how to keep your emails out of the spam folder: authentication, sender reputation, engagement, complaints, list quality and content, in order of weight. · 6 min read
Analytics
- AnalyticsEmail click-through rate: how to measure it and get more clicksLearn how email click-through rate and click-to-open rate are calculated, how click tracking works, why bots inflate clicks, and how to earn more clicks. · 7 min read
- AnalyticsEmail open rate: what it measures, and why you should trust it lessLearn how email open rate is measured and calculated, why Apple Mail Privacy Protection inflates it, what a good open rate is, and how to improve yours. · 7 min read
Email marketing
- Email marketingEmail marketing best practices: a practical guide for emails people wantLearn how to send marketing emails people actually want: permission, segmentation, subject lines, design, automation, testing and the metrics that matter. · 8 min read
- Email marketingFailed payment emails: how to recover subscriptions before they churnLearn how failed payment emails and dunning sequences recover SaaS subscriptions: timeline, what each email should say, card expiry reminders and metrics. · 7 min read
- Email marketingSaaS onboarding emails: trigger them on what users do, not on day 3Learn how to build SaaS onboarding emails triggered by product and billing events, with a sample sequence, example emails and the metrics that matter. · 7 min read
Authentication
- AuthenticationWhat is DKIM? How email signatures workLearn how DKIM (DomainKeys Identified Mail) works, what a DKIM key is, and how to set it up to protect your emails from spoofing and improve deliverability. · 8 min read
- AuthenticationWhat is DMARC? The policy that protects your domainLearn how DMARC works, what alignment and DMARC policies mean, and how to set it up to protect your domain from spoofing and improve deliverability. · 6 min read
- AuthenticationWhat is SPF? How the sender list behind your domain worksLearn how SPF (Sender Policy Framework) works, how to read an SPF record, and how to set it up to protect your domain and stay under the 10 lookup limit. · 6 min read
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