Deploy in 115+ regions with the modern database for every enterprise.
MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
Start Free
$300 Free Credits to Build on Google Cloud
New to Google Cloud? Get $300 in credits to explore Compute Engine, BigQuery, Cloud Run, Gemini Enterprise Agent Platform, and more.
Start your next project with $300 in free Google Cloud credit. Spin up VMs, run containers, query petabytes in BigQuery, or build agents with Gemini Enterprise Agent Platform. Once your credits are used, keep building with 20+ always-free tier products including Compute Engine, Cloud Storage, GKE, and Cloud Run functions. No commitment required—just sign up and start building.
Rspamd is an advanced spam filtering system and email processing framework that allows evaluation of messages by a number of rules including regularexpressions, statistical analysis and custom services such as URL black lists. Each message is analysed by Rspamd and given a verdict that might be used by MTA for further processing (e.g. to reject a message, or add a special header indicating spam) along with other information, such as possible DKIM signature or modifications suggested for a message. ...
Ontea - Pattern based Semantic Annotation Platform. Ontea search or create semantic meta data from text or documents using pattern based approaches. Implementation currently includes regularexpressions (regex) patterns
Camel's Eye is a powerful POP3 email filter. It supports DNS-based Blackhole Lists (DNSBL/RBL), Razor, and rules that search header or body. Features include regularexpressions, scoring, deletion on server, automatic whitelisting through an SMTP proxy.
pop3spam is a POP3 client which connects to a POP3 server and deletes
unsolicited mail in-place. It's possible to check for messages that exceed a
certain limit and to scan header lines for special patterns (regularexpressions).
Mboxgrep is a small, non-interactive utility that scans mail
folders for messages matching regularexpressions. It does matching against basic and extended POSIX regularexpressions, and reads and writes a variety of mailbox formats.