* Serge Fonville <serge.fonvi...@gmail.com>:
> Hi,
> 
> I noticed with a couple of mail servers that the smtp greeting
> contains 220 followed by a lot of asterisks.

CISCO PIX.

> When I do a check using mxtoolbox I get "Warning - Reverse DNS does
> not match SMTP Banner"
> 
> How do I assure that the normal text is displayed instead of the asterisks?

Disable the smtp protocol fixup feature in the PIX.

-- 
Ralf Hildebrandt
  Geschäftsbereich IT | Abteilung Netzwerk
  Charité - Universitätsmedizin Berlin
  Campus Benjamin Franklin
  Hindenburgdamm 30 | D-12203 Berlin
  Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962
  ralf.hildebra...@charite.de | http://www.charite.de
            

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