Folderly resource
Email deliverability, simplified for cold outreach.
Deliverability is not a mystery checklist. It starts with domain authentication, continues with sender reputation, and shows up in whether real prospects see your message in the inbox.
Inbox setup
Check the sending system before you scale
Use this guide before launching cold outbound, adding a new domain, or troubleshooting spam placement.
3
authentication records to verify
<2%
bounce rate to protect reputation
<0.1%
complaint rate to stay below
Authentication
Mailbox providers need proof that your sending platform is allowed to send for the domain.
Reputation
Inbox placement improves when bounce rates, complaints, blacklist signals, and engagement stay stable.
Message quality
Cold emails should look human, specific, and easy to reply to. Generic AI copy creates pattern risk.
Authentication
Verify SPF, DKIM, and DMARC first.
These records tell mailbox providers who can send for your domain and what to do when authentication fails. If they are missing or misaligned, better copy will not reliably fix placement.
Lists the platforms and IPs allowed to send mail for your domain.
Include every sender once and avoid stacked duplicate SPF records.
v=spf1 include:_spf.google.com include:sendgrid.net ~allAdds a cryptographic signature so receivers can verify the message was not changed in transit.
Use the selector provided by your ESP and confirm the public key is live in DNS.
selector._domainkey.example.com TXT p=MIIBIjANBg...Tells receivers how to handle mail that fails SPF or DKIM alignment.
Start with monitoring, review reports, then move toward quarantine or reject when legitimate senders are aligned.
v=DMARC1; p=none; rua=mailto:dmarc@example.comSender reputation checks
Blacklist signals need context.
One listing does not always explain every placement issue, but it should trigger a review of sending sources, recent bounce spikes, list acquisition, and authentication alignment.
Review deliverability in FolderlyMessage creation
Deliverability-aware copy is plain and specific.
The generator should help sales teams write messages that are easy to understand and easy to reply to. The goal is not flashy AI prose. The goal is a useful email that does not create avoidable risk.
Simple copy rules
What affects email deliverability most?
Authentication, sender reputation, list quality, engagement, and message content work together. Fixing copy alone will not help if the domain is not authenticated or bounce rates are high.
Do I need SPF, DKIM, and DMARC?
Yes. SPF and DKIM prove sending legitimacy, while DMARC gives receivers policy instructions. For cold outreach, all three should be present before volume scales.
How does Folderly Email Generator help?
Folderly Email Generator helps create concise cold emails with cleaner structure and fewer obvious deliverability risks. Folderly handles deeper monitoring, placement testing, and repair.
Related resources
Keep the next step focused.
Use these pages to move from draft quality to send readiness without opening another complex workflow.