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Notes on B2B outreach and deliverability

Practical guides, comparisons and checklists on cold email, SMTP and getting to the inbox.

Email Marketing Advanced Email List Segmentation for Hyper-Targeted Campaigns Segment your email list for hyper-targeted campaigns. Deliver relevant content, boosting engagement and conversions. Apr 14, 202610 min read Cold Outreach Boost Cold Email Replies: Crafting Irresistible CTAs Boost cold email replies with irresistible CTAs. Focus on clarity, low commitment, and specific, benefit-driven actions. Apr 4, 20269 min read Cold Outreach Advanced Cold Email Sequencing: Strategies for 2024 Boost conversions with 2024 cold email strategies. Multi-channel, personalized sequences drive results. Mar 24, 202610 min read Lead Generation Building an ICP for Cold Email: A Step-by-Step Guide Craft an ICP for cold email by analyzing best customers, firmographics, psychographics, and pain points. This boosts engagement and conversions. Mar 20, 202610 min read Email Deliverability SMTP Ports 25, 465, 587, and 2525: Which to Use Choose the correct SMTP port: 25 for server relay, 465 for implicit TLS, 587 for STARTTLS submission, and 2525 only as a provider fallback. Mar 17, 20263 min read Email Deliverability Email Warm-up for Agencies: Maximize Deliverability & Client ROI Boost client email deliverability and ROI. Warm-up ensures your agency's emails land in inboxes, not spam. Mar 16, 202610 min read Lead Generation Cold Email vs LinkedIn Outreach: Which Channel Wins for B2B in 2026? Cold email and LinkedIn outreach are key B2B channels. Learn which wins for 2026 strategy. Mar 16, 202613 min read Compliance Google and Yahoo Email Sender Requirements in 2026 Current Google and Yahoo sender requirements for authentication, DMARC alignment, DNS, spam rates, and one-click unsubscribe, checked for 2026. Mar 16, 20265 min read Email Infrastructure SMTP Relay vs Direct Sending: Differences and Use Cases SMTP relay outsources queues and delivery; direct-to-MX sending gives full control and full operational responsibility. Compare architecture, cost, and use cases. Mar 16, 20264 min read Lead Generation How to Build a B2B Email List from Scratch: Ethical Methods That Work Build a B2B email list ethically. Use public data, enrichment tools, and content marketing, not purchased lists. Mar 16, 20269 min read Cold Outreach Cold Email for Startups: Get Your First 100 Customers Without a Budget Acquire your first 100 customers with cold email. This guide details how to master outreach without a budget. Mar 16, 20269 min read Cold Outreach Cold Email Automation: How to Build Sequences That Convert Build converting cold email sequences. Combine personalization, multi-touch follow-ups, and smart logic for better outreach. Mar 16, 20268 min read

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