rphillips · HackerTrans

6 tháng trướcdiscuss

The first rule doesn't match a specific sender. Run it through a re2 regex tester.

6 tháng trướcdiscuss

If using GSuite then head to the Gmail admin panel and create a compliance rule with 2 regex expressions.

1. Add expressions to: If ALL of the following match the message.

2. Expression 1: Type: Advanced content match Location: Full headers Match type: Matches regex (?im)^from:\sSendGrid(?:\s+\w+)\s*<[^>\r\n]+>+$

3. Expression 2: Type: Advanced content match Location: Sender header Match type: Not matches regex (?i)^[A-Za-z0-9._%+-]+@(sendgrid\.com|twilio\.com)$

Set the rule to reject or quarantine. Users will not see the messages unless the attackers change the From header.

rphillips

2 năm trướcdiscuss

First amendment right is against the government; not other companies and individuals.

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