Bowie Bailey writes:
On 9/8/2014 7:51 PM, Sam Varshavchik wrote: > Bowie Bailey writes: > >> On 9/5/2014 7:39 PM, Sam Varshavchik wrote: >>> The presence of the "From " header /after/ the blank line is a tell-tale>>> sign that the message text was delivered to an mbox file, and then read back >>> from it, before being sent again. The "From " line is typically written when>>> a message gets delivered to an mbox file, at some point along the way. >> That shouldn't be the case. As I said, these messages are being >> forwarded by a 'cc' instruction in the user's .mailfilter file on the >> first server. Besides, the server uses maildirs, not mbox files. > This could very well happen before things arrive at this point.My test case was an email delivered directly from Thunderbird to Courier and then cc-ed to the second server via maildrop. The only thing I can think of is that maildrop is adding the header before sending the cc.
maildrop should be adding the From_ header only if it's delivering mail to an mbox mailbox. Actually, maildrop will also emit a From_ line if a message is sent to an external filter via xfilter.
I think the message is being filtered through an xfilter command. The command executed by xfilter emits an extra blank line before the contents of the filtered message, and maildrop reads it back in, like that.
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