Expert insights on email deliverability, campaign optimization, and growth strategies. Learn how to build better email infrastructure with MailsFly.
A practical guide to sending email through AWS SES while staying GDPR-compliant. Covers lawful basis, consent management, data subject rights, region selection, retention policies, and the steps that actually matter.
By Rohit | | 14 min read
Learn proven techniques to personalize cold emails at scale without manually writing each one. Covers data sources, template variables, AI-assisted personalization, and the frameworks that push reply rates from 2% to 12%.
By Rohit | | 12 min read
A no-nonsense guide to email marketing for solo founders. Learn how to build a list from scratch, send your first campaign, and automate follow-ups — all while spending a fraction of what traditional ESPs charge by using AWS SES.
By Rohit | | 12 min read
A technical walkthrough of building cold email infrastructure from scratch. Covers domain architecture, DNS authentication, IP warming schedules, sending limits, bounce handling, and deliverability monitoring for engineers who want to do it right.
By Rohit | | 18 min read
You've got a growing list of leads, a tight budget, and zero patience for overpriced ESPs. Here's how MailsFly plus AWS SES gives you unlimited email power for pennies, and why you never need to buy dozens of inboxes again.
By Rohit | | 12 min read
A detailed, no-fluff breakdown of five email marketing platforms. We compare pricing at every scale, infrastructure ownership, deliverability control, and long-term cost so you can pick the right tool without overpaying.
By Rohit | | 25 min read
Configure A/B tests in MailsFly with automatic winner selection. Test subject lines, content variants, or send times across statistically valid audience segments.
By Rohit | | 12 min read
MailsFly's built-in A/B testing lets you test subject lines, preview text, and send times across segments, then automatically sends the winner to the rest.
By Rohit | | 13 min read
Tired of paying a 'subscriber tax' to your email provider? Learn how to combine the power of AWS SES with the ease of MailsFly to send professional newsletters at the lowest price possible.
By MailsFly Engineering | | 18
Learn about shared ip vs dedicated ip when to make the switch and how it impacts your email marketing success.
By MailsFly Team | | 5
See how MailsFly handles email marketing analytics automatically.
By MailsFly Team | | 4
Technical deep-dive into the risks and rewards of managing your own ip reputation. Best practices and implementation guide.
By MailsFly Team | | 12
See how MailsFly handles dedicated ip setup automatically.
By MailsFly Team | | 4
Learn about vanity metrics vs actionable email metrics and how it impacts your email marketing success.
By MailsFly Team | | 5
Technical deep-dive into debugging a sudden drop in open rates. Best practices and implementation guide.
By MailsFly Team | | 12
See how MailsFly handles api email sending automatically.
By MailsFly Team | | 4
Technical deep-dive into best practices for high-volume email apis. Best practices and implementation guide.
By MailsFly Team | | 12
Learn about when to switch from ui sending to api sending and how it impacts your email marketing success.
By MailsFly Team | | 5
Technical deep-dive into what to test beyond just subject lines. Best practices and implementation guide.
By MailsFly Team | | 12
Learn about the scientific method for email marketing growth and how it impacts your email marketing success.
By MailsFly Team | | 5
Technical deep-dive into separating reputation for transactional and marketing sends. Best practices and implementation guide.
By MailsFly Team | | 12
See how MailsFly handles transactional email best practices automatically.
By MailsFly Team | | 4
Learn about marketing email vs transactional email what is the difference and how it impacts your email marketing success.
By MailsFly Team | | 5
See how MailsFly handles crm integration guide automatically.
By MailsFly Team | | 4
Technical deep-dive into syncing email activity with hubspot and salesforce. Best practices and implementation guide.
By MailsFly Team | | 12
Learn about inbound vs outbound lead generation which is better and how it impacts your email marketing success.
By MailsFly Team | | 5
See how MailsFly handles lead generation strategies automatically.
By MailsFly Team | | 4
Technical deep-dive into scraping vs buying vs building lead lists. Best practices and implementation guide.
By MailsFly Team | | 12
Learn about why your email tool needs to talk to your crm and how it impacts your email marketing success.
By MailsFly Team | | 5
Learn about the modern saas sales playbook for technical founders and how it impacts your email marketing success.
By MailsFly Team | | 5
See how MailsFly handles dmarc implementation automatically.
By MailsFly Team | | 4
See how MailsFly handles saas sales playbook automatically.
By MailsFly Team | | 4
Technical deep-dive into building an automated sales funnel with email. Best practices and implementation guide.
By MailsFly Team | | 12
Learn about what is dmarc and why google requires it now and how it impacts your email marketing success.
By MailsFly Team | | 5
See how MailsFly handles email warmup strategy automatically.
By MailsFly Team | | 4
Technical deep-dive into setting up spf dkim and dmarc correctly for aws ses. Best practices and implementation guide.
By MailsFly Team | | 12
Technical deep-dive into the step-by-step guide to warming up a new domain. Best practices and implementation guide.
By MailsFly Team | | 12
Learn about why you cannot just start sending 10k emails a day and how it impacts your email marketing success.
By MailsFly Team | | 5
See how MailsFly handles cold email templates automatically.
By MailsFly Team | | 4
Technical deep-dive into data-backed subject line strategies for 2024. Best practices and implementation guide.
By MailsFly Team | | 12
Learn about why your subject lines are killing your open rates and how it impacts your email marketing success.
By MailsFly Team | | 5
Technical deep-dive into 5 high-converting cold email frames for b2b saas. Best practices and implementation guide.
By MailsFly Team | | 12
Learn about the psychology behind cold emails that actually get replies and how it impacts your email marketing success.
By MailsFly Team | | 5
Learn about opt-in vs double opt-in what is the real difference and how it impacts your email marketing success.
By MailsFly Team | | 5
See how MailsFly handles optin strategy automatically.
By MailsFly Team | | 4
Technical deep-dive into how modern email platforms handle opt-in verification. Best practices and implementation guide.
By MailsFly Team | | 12
See how MailsFly handles sending strategy automatically.
By MailsFly Team | | 4
Technical deep-dive into how to design email workflows that stop on reply. Best practices and implementation guide.
By MailsFly Team | | 12
Learn about how email frequency affects engagement and trust and how it impacts your email marketing success.
By MailsFly Team | | 5
See how MailsFly handles email compliance automatically.
By MailsFly Team | | 4
Technical deep-dive into why most email tools fail at compliance automation. Best practices and implementation guide.
By MailsFly Team | | 12
See how MailsFly handles aws ses fundamentals automatically.
By MailsFly Team | | 4
Learn about common email compliance mistakes startups make and how it impacts your email marketing success.
By MailsFly Team | | 5
Technical deep-dive into aws ses vs sendgrid choosing the right email provider. Best practices and implementation guide.
By MailsFly Team | | 12
Technical deep-dive into how to build a clean email list without killing growth. Best practices and implementation guide.
By MailsFly Team | | 12
Learn about what is aws ses and when should you use it and how it impacts your email marketing success.
By MailsFly Team | | 5
See how MailsFly handles list hygiene automatically.
By MailsFly Team | | 4
See how MailsFly handles unsubscribe management automatically.
By MailsFly Team | | 4
Learn about what is email list hygiene and why it matters and how it impacts your email marketing success.
By MailsFly Team | | 5
Technical deep-dive into managing unsubscribes and complaints at scale. Best practices and implementation guide.
By MailsFly Team | | 12
See how MailsFly handles email deliverability automatically.
By MailsFly Team | | 4
Learn about how unsubscribe rates impact future email delivery and how it impacts your email marketing success.
By MailsFly Team | | 5
Technical deep-dive into how to improve email deliverability with aws ses. Best practices and implementation guide.
By MailsFly Team | | 12
Learn about what is email deliverability and why it matters and how it impacts your email marketing success.
By MailsFly Team | | 5
See how MailsFly handles spam complaints automatically.
By MailsFly Team | | 4
Technical deep-dive into best practices for keeping aws ses complaint rate under 0.1 percent. Best practices and implementation guide.
By MailsFly Team | | 12
Learn about what happens when someone clicks mark as spam and how it impacts your email marketing success.
By MailsFly Team | | 5
See how MailsFly handles bounce handling automatically.
By MailsFly Team | | 4
Learn about what is a hard bounce vs soft bounce in email and how it impacts your email marketing success.
By MailsFly Team | | 5
Technical deep-dive into how to automatically handle bounces in aws ses. Best practices and implementation guide.
By MailsFly Team | | 12
See how MailsFly handles email suppression automatically.
By MailsFly Team | | 4
Technical deep-dive into how email suppression works in aws ses. Best practices and implementation guide.
By MailsFly Team | | 12
Learn about what is email suppression and why you need it and how it impacts your email marketing success.
By MailsFly Team | | 5
Gmail does not just scan for keywords. It uses a complex TensorFlow model analyzing thousands of signals from IP reputation to user engagement. This guide explains the engineering behind the filter.
By MailsFly Team | | 15