Suspecious DNS queries dropped by Firewall

SM sm at
Wed Dec 14 17:45:17 UTC 2011

At 03:51 14-12-2011, babu dheen wrote:
>In this case, do you think that internal users trying to send emails 
>directly to internet?


>Email delivery is taken care by Email Gateway device, obviously, 
>DKIM verification (if enabled) can only be done by Email gateway of 
>my company... How does internal client make DKIM query which uses 
>the TXT record in DNS ?

The "internal client" (MUA) does not make such queries.

>Can you tell me list of URL which size exceed 514 bytes to verify 
>whether my internal server truncate/return failure code when query 
>such URL using UDP query?



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