Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: none Newsgroups: comp.mail.sendmail Subject: best practice removing/rejecting message having files with specific extensions. Date: Mon, 20 May 2024 00:47:43 +0200 Organization: A noiseless patient Spider Lines: 4 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Mon, 20 May 2024 00:47:45 +0200 (CEST) Injection-Info: dont-email.me; posting-host="e2389e2060f46d6da51c6b03180be799"; logging-data="3792613"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX195vSYESBCm7kGAlFSaET+5zSaiNOX8uva9A4RTbmLvCQ==" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:M0nR1PMwJaWBnYJsXn/jp3Xs9Tk= Content-Language: en-GB Bytes: 1099 I like to reject messages based on their attachments file extensions. I assume this can be best done with a milter? Any recommandations?