The Kaysid blog
Straight answers on deliverability, copywriting and outreach strategy, from the team building Kaysid. No fluff, no “10x your pipeline” promises: just what works in 2026 and why.
Deliverability
Why cold emails land in spam and how to fix it: authentication, sending volume, warm-up, content and reputation. A practical 2026 deliverability checklist.
· 9 min read
Get to the inbox: authentication, warm-up, volume and reputation.
Deliverability
Gmail, Yahoo and Microsoft bulk sender rules explained for cold email: SPF, DKIM, DMARC, one-click unsubscribe, spam rate limits and a compliance checklist.
· 6 min read
Deliverability
Step-by-step SPF, DKIM and DMARC setup for Google Workspace and Microsoft 365, with copy-paste records, testing, and the mistakes that break cold email.
· 5 min read
Deliverability
How long email warm-up takes, a week-by-week schedule for new domains and mailboxes, and the mistakes that undo it. A practical warm-up guide for cold email.
· 5 min read
Deliverability
Safe cold email limits per mailbox and per domain, Google Workspace and Microsoft 365 sending limits, and how to calculate how many mailboxes you need.
· 5 min read
Deliverability
Scale cold email with multiple mailboxes and secondary domains: how many to set up, inbox rotation, threaded follow-ups and signing as the right person.
· 5 min read
Emails, subject lines and follow-ups people actually answer.
Copywriting
12 proven B2B cold email templates for sales, agencies, SaaS, recruiting and partnerships, with examples, why each works, and how to personalize them.
· 6 min read
Copywriting
40 cold email subject line examples by category, the rules that make people open, what to avoid for deliverability, and how to A/B test subject lines properly.
· 5 min read
Copywriting
How many follow-ups to send, how many days apart, what to say in each one, and when to stop. A complete cold email follow-up sequence with templates.
· 5 min read
Lists, offers, personalization and the numbers that matter.
Strategy
Use ChatGPT, Claude or Grok to write a personal cold email for every lead: the prompt, the spreadsheet workflow, quality checks, and how to send it.
· 6 min read
Strategy
Cold email metrics worth tracking in 2026: reply rate, positive replies, bounces and spam complaints, healthy ranges, and why open rates mislead.
· 5 min read
Strategy
A cold email playbook for agencies, freelancers and consultants: pick a niche, craft an easy-yes offer, find leads, write emails that get replies, win clients.
· 5 min read
Strategy
Where to find B2B leads, which fields to collect, and how to verify, de-duplicate and clean a B2B lead list before you import it for cold email.
· 5 min read
Choosing and setting up cold email software.
Tools
How to choose cold email software in 2026: must-have features for deliverability, and an honest look at Instantly, Smartlead, Lemlist, Apollo and Kaysid.
· 5 min read
Sending cold email legally, wherever your leads are.
Compliance
Is cold email legal? A plain-English guide to CAN-SPAM (US), GDPR (EU), PECR (UK) and CASL (Canada) for B2B cold outreach, with a compliance checklist.
· 5 min read
