Mails2Inbox provides SMTP infrastructure and email marketing services for businesses sending newsletters, B2B campaigns, e-commerce promotions, transactional messages, and other bulk email. Its offerings are designed to support both steady monthly campaigns and high-volume daily sending, with flexible plans based on sending capacity.

Services include optimized SMTP relays, dedicated email servers and IPs, IP rotation, and managed server configuration. The platform also offers email list management, segmentation and personalization, scheduling, A/B testing, and performance analytics. Security and deliverability features include SSL/TLS encryption, SPF, DKIM, rDNS and DMARC authentication, IP reputation monitoring, blocklist monitoring, and delivery optimization. Some plans include whitelisted IPs, IP replacement, multiple virtual MTAs, and real-time infrastructure monitoring.

Mails2Inbox emphasizes scalable capacity, reliable sending, and expert assistance, with a web-based control panel and support for campaign management. Its plans include monthly email quotas as well as daily sending options, with setup fees applying to specified packages. The company presents its services as a way for organizations to manage the technical demands of email delivery while focusing on their marketing and business goals.