Author: John Rolls
Zapmail vs Infraforge: Google Mailboxes or Dedicated IPs?
Zapmail resells Google and Microsoft mailboxes. Infraforge sells private SMTP with dedicated IPs as an add-on. Here is how they compare on price and control.
Read moreMaildoso vs Mailscale: Pricing, IP Pools and Which to Pick (2026)
Maildoso and Mailscale both sell cheap SMTP mailboxes on shared infrastructure. Here is how their pricing, send caps and domains compare, and when a dedicated IP beats both.
Read moreDedicated IP for Cold Email: When It Pays and How to Warm It
When a dedicated IP pays off for cold email, what it costs at each provider, and a four-week warmup schedule to get it to full volume safely.
Read moreWhat Google Workspace Really Costs for Cold Email
Google Workspace starts at $7 a user, but cold email needs dozens of mailboxes and domains. Here is the real monthly cost, the reseller shortcut and cheaper options.
Read moreSMTP Relay vs SMTP Server: Which One Can Send Cold Email?
SMTP relays like SendGrid and SES are built for opted-in mail. Cold email needs real mailboxes on an SMTP server. Here is the difference and why it matters.
Read moreHow Many Mailboxes Do I Need for Cold Email?
A simple formula for how many mailboxes and domains your cold email volume needs, with a table from 500 to 10,000 emails a day and what each setup costs.
Read moreCold Email Infrastructure Cost in 2026: What You Actually Pay
Mailboxes, domains, IPs, warmup and the fees nobody lists. A line-by-line cold email infrastructure budget for 2026, with provider prices at 100 mailboxes.
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