roundcubeplus.com

What It Is

RoundcubePlus is an enhancement suite from Tecorama LLC for Roundcube Webmail. It includes self-hosted plugins, themes/skins, and a cloud-hosted Webmail frontend called Atlas Cloud. Its core value is not providing an email sending channel or SMTP delivery, but adding a Gmail-like interface, productivity features, and branding capabilities on top of an existing Roundcube and mail server setup, with an emphasis on avoiding mailbox migration.

Core Features and Integrations

From a communications/email perspective, RoundcubePlus is limited to the Webmail email scenario and does not cover SMS, voice, or IM. Features include multi-account management, unified search, AI quick writing, scheduled send/undo send, signatures, shared calendars, CalDAV, and cloud storage integrations such as Dropbox, Google Drive, and Nextcloud WebDAV. On the security side, it mentions two-factor authentication, end-to-end encryption, and spam protection, but does not disclose details about the encryption implementation or anti-spam mechanism. Atlas Cloud can connect to a customer’s own mail server, with email data remaining on the customer’s server while Atlas Cloud provides the UI, updates, and admin panel.

Pricing and Licensing

Pricing is relatively transparent: individual plugins are typically priced at US$35–199, most skins are US$99, and the Mega Pack is US$199. Licenses generally cover 1 license, 1 year of updates, and basic support. Atlas Cloud is billed monthly, ranging from US$4/month for 5 users to US$149/month for 500 users, with all skins, plugins, and custom branding included. Note that the terms define licensing by a single server instance; additional deployments require additional licenses, and there are no refunds after the software is downloaded or installed.

Pros and Cons

The advantages are its low migration cost for existing Roundcube users, plugin coverage for common hosting provider and business email needs, and support for both white-label and cloud/on-premise deployment models. The downsides are also clear: the materials do not disclose deliverability, throughput, SMTP SLA, or API documentation. Technical support only covers issues with the software itself, and does not cover Roundcube core, server, system, or hardware problems. Key security plugins such as two-factor authentication are relatively expensive when purchased separately.

Who It’s For and Access from China

RoundcubePlus is better suited for hosting providers, cPanel service providers, business email administrators, and self-hosted teams looking to improve the Roundcube interface. It is not suitable as a bulk email, transactional email API, or marketing email platform. The materials do not state its accessibility from China, and payment methods are not disclosed. For deployment in the Chinese market, users should additionally verify access to the official website, the Atlas Cloud control panel, and third-party integrations such as Dropbox and Google Drive. Alternatives may include native Roundcube, SnappyMail, Afterlogic, or local services such as Tencent Exmail, Alibaba Mail, and NetEase Enterprise Mail.