Outbound email security

Email Threat Protection: How Businesses Defend Against Modern Email Attacks

July 31, 2026 / in Blog / by Zafar Khan, RPost CEO

Modern Email Security Must Protect the Inbox, the Sender, the Transaction, and the Content After Delivery.

Email attacks are no longer arriving as obvious spam or malware. Some attacks contain no malicious attachment; rather, they rely on trust, urgency, payment context, and normal business behavior. For instance, a convincing message may imitate an executive, use a supplier’s compromised account, continue an existing conversation, or persuade an employee to send sensitive information to the wrong person.

AI vs. Rule-Based Email Security: What Actually Changes for BEC Protection

April 22, 2026 / in Blog / by Zafar Khan, RPost CEO

How AI Improves What Rules Alone Miss.

Enterprises already know that the inbox is one of the easiest ways for attackers to get into the business. The real question is narrower: when vendors say they use AI-based email security, what actually changes compared with rule-based, traditional email security?

Best Outbound Email Security Gateway

May 20, 2022 / in Blog / by Zafar Khan, RPost CEO

Use RMail Gateway E-Security For The Best Outbound Email Security And Still Keep Your “Other” Inbound Email Security Gateway In music, when the whole is greater than sum of all parts, it’s called ‘good harmony,’ and this is very difficult to achieve because you have to know how different sounds come together before they are […]

Outlook Email Content Disappears After the Recipient Reads

May 06, 2022 / in Blog / by Zafar Khan, RPost CEO

RMail Lets You Tag Selected Email Content So That It Becomes Read-Once Or Time-Expiring After It Is At The Recipient The early internet is the stuff of much legend and lore—perhaps because so little of it was documented or recorded. This “dark age of the internet” is a result of outdated file formats, corrupt software, […]