The rebase seemed to complete succesfully though.
Code Review - Error
Server Error
Mail Error: Server smtp.pmtpa.wmnet rejected recipient Siebrand <siebrand@wikimedia.org>: 451 Temporary local problem - please try later
Server smtp.pmtpa.wmnet rejected DATA command: 503-All RCPT commands were rejected with this error:
503-Temporary local problem - please try later
503 Valid RCPT command must precede DATA
Version: unspecified
Severity: minor
URL: https://gerrit.wikimedia.org/r/#/c/67955/