Rosa Mail – Enterprise Mail Server

• Read, compose, reply, reply all, forward, archive, delete, star and mark read/unread
• Conversation (thread) view and date grouping (Today, Yesterday, This Week, This Month)
• Rich text editor, drag-and-drop attachments, inline image display
• Importance level (high/normal/low), read receipt and delivery receipt requests

+11 more

• Calendar: month, week and day views; all-day events, location and description
• Invite attendees with .ics invitations; track accepted/declined/tentative replies
• Address book (company, phone, groups) and corporate LDAP directory search
• Create, nest, rename, move, delete and empty folders; mark all as read

+9 more

• TOTP two-factor login: 6-digit code, QR setup (Google/Microsoft Authenticator etc.)
• Per-domain MFA policy: off, optional, mandatory now or mandatory after X days
• App-specific passwords for Outlook, Thunderbird and phones
• SMS password reset: 6-digit code, valid 5 min, max 5 attempts, 60 s resend wait

+6 more

• Adjustable spam, reject and silent-discard score thresholds; spam status header
• Toggle SPF, DKIM, DMARC, ARC and DNS blocklist checks individually
• Blocklists such as Spamhaus, Barracuda, SpamCop, SURBL, URIBL and Mailspike
• OpenPhish and PhishTank phishing feeds; self-learning spam classifier

+7 more

• Step-by-step domain wizard: multi-tenant or dedicated per-domain server mode
• DKIM keys (Ed25519 + RSA), DNS records and TLS certificate created automatically on add
• Check and one-click fix MX, A, SPF, DKIM, DMARC, CNAME and SRV records via Cloudflare
• Alias domains and per-domain server hostnames (mail, webmail, admin)

+6 more

• Add users (auto-generated passwords), edit, delete, set quota and password
• Bulk user import from Excel (.xlsx, sample template) and credential export
• Bulk password update via Excel (Email, New Password columns) and bulk quota assignment
• Promote a user to domain admin who logs in with their own mail password

+4 more

• Mail flow rules: sender, recipient, subject, header, body conditions; AND/OR matching
• Rule actions: reject, discard, redirect, send copy, add header, tag subject
• Hold outbound mail for admin approval; approve/reject in the panel and daily moderation digest
• View the mail queue, delete messages, flush the queue; bounce queue

+3 more

• Store mail on local disk or per-domain S3-compatible storage (bucket, endpoint, region)
• Full and incremental backups; run, download, delete, restore and view the last log
• Incremental EML archive backup in domain/user/folder structure on a separate bucket
• Per-user retention period; deleted users' backups are kept for 30 days

+7 more

• Bulk mail transfer from Exchange via EWS with admin impersonation
• Transfer users, folders and mail from MDaemon via an agent; group and member matching
• Migration from any IMAP server; user list via CSV (email;password;full name)
• Quick connection test, delta sync and stop/resume jobs

+2 more

• Super admin (full access) and domain admin (limited to assigned domains) roles
• Dashboard: domains, services, memory, uptime and system health
• Per-domain branding: login page title, brand name, subtitle, footer text and link
• Logo (PNG, JPG, SVG) and favicon (PNG, ICO, SVG) upload

+3 more

• System health screen; start, stop, restart services and view their logs from the panel
• Instant email alert when a service stops, restart-loops or the disk fills up
• Instant security alert on interactive access to critical configuration files
• Optional Prometheus + Grafana + node-exporter monitoring with predefined alert rules