When I route to ExtractEmailHeaders and Attachments, they always fail. Is there a specific type of email server or extra processing required? Example email with no attachments Apache NiFi Tutorials The following tutorials show you how to work with different processors, create dataflows and display data in various dashboards. There’s also an intro to MiniFi which is a smaller NiFi to run on embedded or tiny devices. Using Apache NiFi with Apache Kafka Best Practices and Tutorial Using Apache NiFi with Sensors Tutorial Change Data Capture (CDC) with Apache NiFi An Introduction to Apache NiFi 1.0.0 Apache NiFi 1.0.0 Crash Course DataFlow with Apache NiFi (includes Video) Real-Time Streaming Recommendations with NiFi, Kafka and Spark Setting up Apache NiFi 1.0.0 Zero Master Clusters Getting Started with HDF 2.0 Creating a Kibana Dashboard of Twitter Data Pushed with NiFi NiFi For Geoenrichment and Routing of Log Messages Running Google Vision From Apache NiFi Getting Started with MiniFi How to Add Kerberos Authentication to Apache NiFi 1.0.0 Converting CSV Data to AVRO with Apache NiFi nifi-app.log:2016-10-19 18:56:09,054 ERROR [Timer-Driven Process Thread-6] o.a.n.p.email.ExtractEmailAttachments nifi-app.log:javax.mail.MessagingException: Message failed RFC2822 validation nifi-app.log: at org.apache.nifi.processors.email.ExtractEmailAttachments$1.process(ExtractEmailAttachments.java:138) ~[nifi-email-processors-1.0.0.2.0.0.0-579.jar:1.0.0.2.0.0.0-579] nifi-app.log: at org.apache.nifi.processors.email.ExtractEmailAttachments.onTrigger(ExtractEmailAttachments.java:124) [nifi-email-processors-1.0.0.2.0.0.0-579.jar:1.0.0.2.0.0.0-579] nifi-app.log:2016-10-19 18:56:09,054 ERROR [Timer-Driven Process Thread-1] o.a.n.p.email.ExtractEmailHeaders nifi-app.log:javax.mail.MessagingException: Message failed RFC2822 validation nifi-app.log: at org.apache.nifi.processors.email.ExtractEmailHeaders$1.process(ExtractEmailHeaders.java:160) ~[nifi-email-processors-1.0.0.2.0.0.0-579.jar:1.0.0.2.0.0.0-579] nifi-app.log: at org.apache.nifi.processors.email.ExtractEmailHeaders.onTrigger(ExtractEmailHeaders.java:146) [nifi-email-processors-1.0.0.2.0.0.0-579.jar:1.0.0.2.0.0.0-579] nifi-app.log:2016-10-19 18:56:09,056 ERROR [Timer-Driven Process Thread-10] o.a.n.p.email.ExtractEmailAttachments ExtractEmailAttachments[id=31a043b1-d7a6-1806-80ef-3040b8bc0bce] Could not parse the flowfile StandardFlowFileRecord[uuid=a963b2b3-4cb1-4155-a251-b0ae2089299a,claim=StandardContentClaim [resourceClaim=StandardResourceClaim[id=1476903369035-1627, container=default, section=603], offset=16199, length=45886],offset=0,name=1994148034455292,size=45886] as an email, treating as failure: javax.mail.MessagingException: Message failed RFC2822 validation nifi-app.log:2016-10-19 18:56:09,056 ERROR [Timer-Driven Process Thread-4] o.a.n.p.email.ExtractEmailHeaders ExtractEmailHeaders[id=31a043b2-d7a6-1806-e673-2e2b86f5c83e] Could not parse the flowfile StandardFlowFileRecord[uuid=eed4f0e7-d63f-4f5a-9b1c-986087bc896e,claim=StandardContentClaim [resourceClaim=StandardResourceClaim[id=1476903369035-1627, container=default, section=603], offset=16199, length=45886],offset=0,name=1994148034455292,size=45886] as an email, treating as failure: javax.mail.MessagingException: Message failed RFC2822 validation nifi-app.log:2016-10-19 18:56:09,057 ERROR [Timer-Driven Process Thread-10] o.a.n.p.email.ExtractEmailAttachments nifi-app.log:javax.mail.MessagingException: Message failed RFC2822 validation nifi-app.log: at org.apache.nifi.processors.email.ExtractEmailAttachments$1.process(ExtractEmailAttachments.java:138) ~[nifi-email-processors-1.0.0.2.0.0.0-579.jar:1.0.0.2.0.0.0-579] nifi-app.log: at org.apache.nifi.processors.email.ExtractEmailAttachments.onTrigger(ExtractEmailAttachments.java:124) [nifi-email-processors-1.0.0.2.0.0.0-579.jar:1.0.0.2.0.0.0-579] nifi-app.log:2016-10-19 18:56:09,057 ERROR [Timer-Driven Process Thread-4] o.a.n.p.email.ExtractEmailHeaders nifi-app.log:javax.mail.MessagingException: Message failed RFC2822 validation nifi-app.log: at org.apache.nifi.processors.email.ExtractEmailHeaders$1.process(ExtractEmailHeaders.java:160) ~[nifi-email-processors-1.0.0.2.0.0.0-579.jar:1.0.0.2.0.0.0-579] nifi-app.log: at org.apache.nifi.processors.email.ExtractEmailHeaders.onTrigger(ExtractEmailHeaders.java:146) [nifi-email-processors-1.0.0.2.0.0.0-579.jar:1.0.0.2.0.0.0-579] Example partial email with encoding --001a11404b903cb34b053f3b322c Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable - Hortonworks DataFlow Webinar Series <http://hortonworks.com/blog/hortonworks-dataflow-webinar-series/>Octobe= r 18, 2016 HDF makes streaming analytics faster and easier, by enabling accelerated data collection, curation, analysis and delivery in real-time, on-premis= es or in the cloud through an integrated solution with Apache NiFi, Kaf ... View more