Summary

This guide covers critical security measures for protecting email accounts, focusing on advanced features like MIME and HTML message handling. By utilizing threaded message listing, users can ensure IDNA and SMTPUTF8 compliance across the board. Secure features such as Sharedglobal IMAP folders, ACLs, and unlimited users offer robust access control and performance benefits. Users must also exercise caution regarding potential malicious mail delivery, which includes protecting against various attacks like XSS and ensuring PGP encryption is applied.

Title

Roundcube - Free and Open Source Webmail Software

Description

Free and open source webmail software for the masses, written in PHP

Keywords

support, full, address, book, message, security, updates, february, theme, news, users, client, mime, spell, features, messages, access

NS Lookup

A 172.67.153.189, A 104.21.3.227

Dates

Created 2026-03-10

Updated 2026-03-30

Summarized 2026-03-31