[Ingest] SMTP - Message file too large

[mreyescdl]

Investigate error message from a recent Ingest notification (shown below)
This batch contained 500 Escholarship objects with large author fields.

UpdateBatchReportConsumerDaemon: Checking for additional tasks -  Current tasks: 1 - Max: 5
InitializeConsumerDaemon: Checking for additional Job tasks for Worker: Current tasks: 0 - Max: 2
org.apache.commons.mail.EmailException: Sending the email to the following server failed : localhost:25
        at org.apache.commons.mail.Email.sendMimeMessage(Email.java:1469)
        at org.apache.commons.mail.Email.send(Email.java:1496)
        at org.cdlib.mrt.ingest.handlers.batchReport.HandlerNotification.handle(HandlerNotification.java:299)
        at org.cdlib.mrt.ingest.handlers.batchReport.HandlerNotification.handle(HandlerNotification.java:77)
        at org.cdlib.mrt.ingest.BatchManager$Post.run(BatchManager.java:458)
        at java.base/java.lang.Thread.run(Thread.java:829)
Caused by: com.sun.mail.smtp.SMTPSendFailedException: 552 5.3.4 Error: message file too big

        at com.sun.mail.smtp.SMTPTransport.issueSendCommand(SMTPTransport.java:2267)
        at com.sun.mail.smtp.SMTPTransport.finishData(SMTPTransport.java:2045)
        at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:1260)
        at javax.mail.Transport.send0(Transport.java:255)
        at javax.mail.Transport.send(Transport.java:124)
        at org.apache.commons.mail.Email.sendMimeMessage(Email.java:1459)
        ... 5 more

Note: there were 4 failures in this batch which were corrected. The following UpdateBatchReport process again failed to send the email. Same error.

[mreyescdl]

Found SMTP is configured to have a MAX payload size of 10MB

$ telnet localhost 25
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
220 uc3-mrtingest-stg02.cdlib.org ESMTP Postfix
EHLO example.com
250-uc3-mrtingest-stg02.cdlib.org
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250-DSN
250 CHUNKING