duplicate subject lines causing yahoo mail rejection

Antony Stone Antony.Stone at mailscanner.open.source.it
Wed Nov 4 20:05:00 UTC 2015

On Wednesday 04 November 2015 at 19:09:47, Kevin Miller wrote:

> What’s an “efa”?


> I was having the same issue earlier this year.  I don’t know if it was due
> to spaces in the subject, but we were getting rejects from yahoo due to
> multiple subjects injected by MailScanner.
> The workaround (I hesitate to call it a solution) was posted by Scott
> Anderson on 2/23, subject “RE: DKIM and MailScanner Watermarking”:
>   Multiple Headers = append
>   Place New Headers At Top Of Message = yes
> ...Kevin



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