Re: [exim] Duplicate emails

> From: schmerold2@gmail

> We are getting duplicate emails. It seems to be the same senders,
> however not every one of their emails duplicate. 5% of mails from
> Charter.net will duplicate, 10% of mails from Cox will duplicate, 100%
> of mails from Interfax.net will duplicate.

> spamd_address = 127.0.0.1 783

I guess that your spam-filter queries some RBL, and one or more of them
timeout because dead or for paying customers only.
Try switch spam-filtering via spamd off temporarily.
If that doesn't help then try to switch virus-filtering off temporarily.