Github user trixpan commented on a diff in the pull request: https://github.com/apache/nifi/pull/827#discussion_r74416389 --- Diff: nifi-nar-bundles/nifi-email-bundle/nifi-email-processors/src/main/java/org/apache/nifi/processors/email/ListenSMTP.java --- @@ -135,29 +89,17 @@ .addValidator(StandardValidators.TIME_PERIOD_VALIDATOR) .build(); - protected static final PropertyDescriptor SMTP_MAXIMUM_MSG_SIZE = new PropertyDescriptor.Builder() + static final PropertyDescriptor SMTP_MAXIMUM_MSG_SIZE = new PropertyDescriptor.Builder() --- End diff -- Is SMTP_MAXIMUM_SIZE being enforced? I've set it to 512 B and ended up with a message of 1KB? Note that setMaxMessageSize has no effective role in dropping messages, instead all it does is to configure the EHLO response: ``` $ telnet 0 2525 Trying 0.0.0.0... Connected to 0. Escape character is '^]'. 220 localhost ESMTP Apache NiFi EHLO . 250-localhost 250-8BITMIME 250-SIZE 512 250 Ok ```
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