deal with email loops in gettor

We are sending tens of thousands of emails to a single email address, it looks like we have a loop.

changed milestone to %Sponsor 96: Rapid Expansion of Access to the Uncensored Internet through Tor in China, Hong Kong, & Tibet

added Doing Sponsor 96 labels

assigned to @meskio

anarcat ╡ is there an header on the incoming or outgoing email marking the email as bulk or automated?
      ⤷ ╡ it would be important to not react to such mail and correctly identify outgoing mail
      ⤷ ╡ i have this in my sieve rules
      ⤷ ╡             header :contains "Precedence" "bulk", # RFC3834 section 3.1.8, RFC2076 3.9
      ⤷ ╡             header :contains "Auto-Submitted" "auto-generated" # RFC 3834 3.1.7, RFC5436 2.7.1 
      ⤷ ╡ the RFCs might be worth digging into 
      ⤷ ╡ i think "auto-replied" would be appropriate for outgoing mail 

added Gettor label

marked this issue as related to #129

Rejecting email with Auto-Submitted header and content-type: multipart/report seems to have solved the problem (meskio/rdsys@8718f3a2). I have deployed while I'm getting ready a merge request and the mail loops seem to have being reduced. Maybe those loops where related to #129?

mentioned in merge request !60 (closed)

added Needs Review label and removed Doing label

mentioned in issue #129

closed with commit addd0d3e