sending.ac logo

sending.ac

Vendor: sending.ac

Sending.ac is a cold email infrastructure platform that enables high-volume email outreach from a single domain, automating DNS authentication and reducing warm-up time.

Visit Website ↗
email lead generation agencies high-output outbound teams #cold email #email infrastructure #high volume

Overview

Sending.ac provides a cold email infrastructure solution that lets users send thousands of emails daily from one domain without rotating multiple mailboxes. It automates DNS setup (SPF, DKIM, DMARC) and accelerates domain warm up, allowing lead generation agencies and outbound teams to launch and scale outreach campaigns quickly while maintaining deliverability. The platform also simplifies management by consolidating inbox provisioning and monitoring, reducing operational overhead for high output sales operations.

Key Features

High-Volume Single Domain Sending

Allows sending thousands of emails per day from a single domain, removing the need for rotating multiple domains or mailboxes.

Unlimited Mailbox Creation

Generates unlimited mailboxes under one domain to support sequencing and scaling of outreach campaigns.

Automated DNS Setup

Automatically configures SPF, DKIM, and DMARC records, provisioning inboxes in about 14 seconds.

Accelerated Warm-Up Engine

Reduces domain warm-up time from weeks to days, enabling rapid campaign launches.

Simplified Management

Eliminates complex infrastructure planning and monitoring, streamlining outreach operations.

Pros & Strengths

  • ✓
    Simplified Management: Consolidates outreach operations, reducing the need for multiple domains and mailboxes.
  • ✓
    Time Efficiency: Automated inbox provisioning and fast warm-up cut setup time dramatically versus manual processes.
  • ✓
    Scalability: Enables rapid expansion of email volume without the logistical burden of managing many domains.

Cons & Tradeoffs

  • ⚠
    Limited Public Information: Scarcity of detailed feature descriptions and user reviews makes it difficult for prospects to evaluate suitability.
  • ⚠
    Undisclosed Pricing: Pricing is custom and not publicly listed, requiring direct contact to obtain cost details.

Known Limitations

  • • Custom pricing requires direct inquiry, which may delay evaluation.
  • • Sparse public documentation and reviews hinder assessment of product capabilities.

Pricing & Plans

Model: custom

Pricing is custom and not publicly listed; users must contact the vendor for details.

✓ Free Plan ✓ Free Trial

Editorial Info

Last Reviewed: 2026-08-20

Verified Sources & Research

Similar Sales Tools

Cheapinboxes.com

by Cheapinboxes.com

Affordable email hosting providing low-cost inboxes for bulk senders, with IMAP/POP3/SMTP support and custom domain integration.

subscription

ChillReach

by ChillReach

ChillReach is an AI-powered email outreach platform that provides automated email accounts, warmups, and personalized content generation to improve deliverability and scale cold campaigns for sales teams and agencies.

subscription

ColdSire

by ColdSire

ColdSire is an email infrastructure platform designed to automate the setup and management of cold email environments, including domain registration, mailbox creation, and DNS authentication.

subscription