# mailivery.io > AI-optimized mirror of mailivery.io containing 50 pages totalling 37,365 words of clean markdown content, structured data, and semantic HTML. Original source: https://mailivery.io/. Last updated: 2026-04-29T20:06:35.183Z. Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG). ## Homepage - [Email Warm Up & Deliverability Tool](/site-root.html): Warm up unlimited mailboxes with AI. Peer-to-peer interactions boost sender reputation, monitor 70+ blacklists, verify lists, and land emails in the inbox. (966 words) ## Articles & Blog Posts - [blog/google-workspace-spf-record/index.html](/blog/google-workspace-spf-record/index.html) (1 words) - [blog/gmail-postmaster-tools-explained/index.html](/blog/gmail-postmaster-tools-explained/index.html) (1 words) - [blog/email-warmup-schedule/index.html](/blog/email-warmup-schedule/index.html) (1 words) - [blog/does-email-warmup-work/index.html](/blog/does-email-warmup-work/index.html) (1 words) - [blog/email-deliverability-guide/index.html](/blog/email-deliverability-guide/index.html) (1 words) - [blog/best-email-warm-up-tools/index.html](/blog/best-email-warm-up-tools/index.html) (1 words) - [author/malik-shamsuddin/index.html](/author/malik-shamsuddin/index.html) (1 words) - [Gmail vs. Outlook: Why Deliverability Differs Across Providers](/blog/gmail-vs-outlook-deliverability/index.html): Gmail, Outlook, and Yahoo filter mail using different signals and thresholds. Learn how those differences affect inbox placement and how to optimize for each provider in 2025. (1,297 words) - [how-it-works/index.html](/how-it-works/index.html) (1 words) - [9 Folderly Alternatives If Your Cold Emails Still Aren’t Reaching the Inbox](/blog/folderly-alternatives/index.html): Still landing in spam after trying Folderly? Here are 9 alternatives that may improve email deliverability and boost inbox placement. (1,183 words) - [author/laura-bingel/index.html](/author/laura-bingel/index.html) (1 words) - [legal/terms-of-service/index.html](/legal/terms-of-service/index.html) (1 words) - [Email Warmup Best Practices for 2026: A Step-by-Step Guide](/blog/email-warmup-guide/index.html): A 4-week warmup schedule, the rules Gmail and Outlook actually enforce in 2026, and the mistakes that quietly destroy your domain's sending reputation. (4,948 words) - [Free Email Warmup Tools for Cold Outreach: What's Safe in 2026](/blog/free-email-warmup-tools/index.html): The best free email warmup tools in 2026 compared: Mails.ai, EmailWarmup.com, TrulyInbox, plus free trials from Mailivery, Warmy, Lemwarm, and Instantly. What's safe for cold outreach. (2,517 words) - [legal/affiliate-terms-and-conditions/index.html](/legal/affiliate-terms-and-conditions/index.html) (1 words) - [Warm-Up Unlimited Mailboxes](/pricing/index.html): Choose a plan based on total daily warm-up volume. Connect unlimited mailboxes, share volume across inboxes, and get warm-up, blacklist monitoring, verification, and spam checks included. Try free for 7 days. (1,648 words) - [Folderly Reviews: What Real Users Say About the Tool](/blog/folderly-reviews/index.html): Folderly reviews from real users: what they love, what’s missing, and how it performs across pricing, support, and email deliverability. (1,015 words) - [Top 3 Email Providers for Cold Email Outreach in 2026](/blog/best-email-provider-for-cold-emails/index.html): Choosing the right email provider can make or break your cold outreach. These are the top 3 for deliverability and trust in 2026. (925 words) - [How Gmail and Outlook Decide Inbox vs Spam](/blog/gmail-outlook-inbox-vs-spam/index.html): Cold email deliverability isn’t about checklists, it’s about behavior. Learn how Gmail and Outlook score senders, what affects reputation, and how to stay in the inbox. (998 words) - [More Warm-Up Volume, Same Price: Mailivery's Plans Just Got an Upgrade](/blog/email-warmup-plans-upgrade-2026/index.html): Mailivery increased daily warm-up limits across all plans at no extra cost. Starters now gets 200/day, Professional 800/day, and Business 2,500/day. (1,006 words) - [AI Agent Email Warm-Up: Why the Numbers (and Logic) Don’t Add Up](/blog/ai-agent-email-warm-up/index.html): Email warm-up with AI agents and headless browsers sounds advanced, but it’s full of red flags. Get the facts on what works, what doesn’t, and why IMAP is still the gold standard. (1,270 words) - [Navigating Gmail's New Cold Email Sender Requirements: A 2024 Update](/blog/gmail-sender-requirements/index.html): Gmail Cracks Down on Cold Emailing: New Rules Require Authentication, Easy Unsubscribes, and Low Spam Rates (851 words) - [Email List Verification: The Cold Email Step You Can’t Afford to Skip](/blog/email-list-verification/index.html): Email list verification is essential for cold email success as it prevents bounces that damage your sending reputation. Without this critical step, even perfectly crafted emails may never reach recipients, risking campaign failure and potential account blacklisting. (1,042 words) - [Email Deliverability](/blog/did-you-know-sending-time-affects-deliverability-not-just-open-rates.html): Sending on the hour leads to throttling, spam filters, and inbox overload—hurting inbox placement. Learn how offsetting send times can improve deliverability and engagement. (755 words) - [Emails going to Spam? Here’s how to fix it](/blog/emails-going-to-spam/index.html): Struggling with emails landing in the spam folder? This guide will help you improve your inbox placement. Follow these tips to ensure your emails reach the primary inbox where they belong. (676 words) - [SPF Configuration on OVH: A Step-by-Step Guide](/blog/configuration-spf-ovh/index.html): Learn how to set up an SPF record on OVH to improve email deliverability and avoid the spam folder. (1,177 words) - [How Long To Warm Up an Email Account? (Key Insights)](/blog/how-long-does-it-take-to-warm-up-an-email/index.html): Discover how long you should warmup an email account or domain along with key insights and strategies for email warm up. (593 words) - [How Sending Volume Affects Your Email Deliverability](/blog/email-sending-volume-deliverability/index.html): Your sending volume plays a huge role in whether your emails reach the inbox or land in spam. Learn how to scale safely without damaging your sender reputation. (658 words) - [Cómo funcionan los filtros de spam?](/blog/como-funcionan-los-filtros-de-spam/index.html): Los correos basura no sólo son una molestia permanente para los propietarios de direcciones de correo electrónico, sino que en muchos casos también representan un peligro concreto. En el llamado "phishing", los delincuentes intentan obtener información sobre datos críticos como inicios de sesión, contraseñas, números de tarjetas de crédito o TAN a través del spam dirigido (1,902 words) - [Privacy Policy](/legal/privacy/index.html): Privacy Policy (991 words) - [How to Add an SPF Record in Namecheap to Boost Email Deliverability](/blog/add-spf-record-namecheap/index.html): Boost email deliverability by setting up an SPF record on Namecheap. Follow this simple guide to prevent spam and improve your cold email success. (1,354 words) - [25 Email Deliverability Best Practices for 2026](/blog/email-deliverability-best-practices/index.html): Deliverability can make or break your cold email strategy in 2026. This guide breaks down 25 proven best practices so your emails land in the inbox, not the spam folder. (724 words) - [How to Add an SPF Record to Cloudflare - Easy Setup Guide](/blog/cloudflare-spf-record/index.html): Struggling with SPF records on Cloudflare? This guide shows how to add and verify them correctly. (1,212 words) - [The Role of Email Templates in Deliverability: Why Simpler is Better for Cold Outreach](/blog/email-template-deliverability/index.html): Your email template design directly affects inbox placement. Learn how structure, layout, and copy choices can tank your deliverability and why text-only emails work best for cold outreach. (777 words) - [How does my email gain reputation?](/blog/how-does-my-email-gain-reputation/index.html): Learn how to improve and restore your email reputation. Discover steps to avoid blacklisting, identify why your IP might be blocked, and quickly resolve issues with major providers like Gmail, Office365, and more. (368 words) - [Email Warm Up API for Partners](/mailivery-api/index.html): Email warm-up API for SaaS platforms and Agencies. Automate warm-up, improve deliverability, and manage unlimited mailboxes for your users. (326 words) - [We’re a company of driven innovators](/careers/index.html): Join an awesome entrepreneurial team and determine the future of email and marketing. (167 words) - [Protect Your Email Deliverability with Blacklist Monitoring](/blacklist-monitoring/index.html): Protect your domain and IP reputation with Mailivery’s Blacklist Monitoring. Get real-time alerts, fix issues fast, and keep your email campaigns in the inbox. (321 words) - [Email Verification Tool that   ‍Double Verifies Yourlist](/email-list-verification/index.html): Email verification tool that cleans your lists twice! We first clean and validate your list against our internal database of 100+ million bad emails, spam traps, and known hard bounces. Then we reverify through a trusted partner. (318 words) - [Thibald Leonhard](/author/thibald-leonhard/index.html) (76 words) - [**Mailivery** vs Alternative Email Warm-Up Tools](/competitor-comparison/index.html): Compare Mailivery with other email warm up tools to see how our focus on inbox placement, unlimited inbox connections, customizable templates, and advanced settings can enhance your email deliverability. (355 words) - [Sarah Lee](/author/sarah-lee/index.html): Lorem ipsum dolor sit amet, consectetur adipiscing elit. In eu pretium dolor, eu suscipit erat. (39 words) - [Mark Smith](/author/mark-smith/index.html): Lorem ipsum dolor sit amet, consectetur adipiscing elit. In eu pretium dolor, eu suscipit erat. (39 words) - [Legal Disclosure](/legal/legal-disclosure/index.html): Legal Disclosure (255 words) - [Thomas Miller](/author/thomas-miller/index.html) (24 words) - [Contact Us](/contact-us/index.html): Contact Mailivery's team for support, custom plan inquiries, or partnership questions. We help email teams improve deliverability and inbox placement. (52 words) - [**Help Improve Sender Reputation &** Make money by referring mailivery.](/affiliates/index.html): Join Mailivery's affiliate program and earn 25% lifetime commissions by promoting our email warm up tool. Enjoy a 60-day tracking window, monthly payouts, and promotional coupons for your referrals. Sign up today to start earning! (135 words) - [Latest News & Articles](/blog/index.html): In this blog you can read more information about how to set up proper cold outreach campaigns. Increase your email deliverability rates and land in spam less often. (4,295 words) - [sitemap-xml.html](/sitemap-xml.html) (99 words) ## Resources - [Full Page Index](/index.html): Browse all cached pages with rich metadata - [About This Cache](/content/about.html): Methodology, technical details, and usage guidelines - [XML Sitemap](/content/sitemap.xml): Machine-readable sitemap for crawler discovery - [Robots.txt](/content/robots.txt): Crawler directives