Consequences of increasing email size from 16M to 25M

[Denis Beauchemin]

Robert,

Increasing the size of incoming messages will have no impact on your MS/Clam/SA setup. Go ahead and accept bigger emails in Postfix and all the rest will continue to work just fine.

Denis

______________________________
Denis Beauchemin
Architecte technologique - Infrastructure des serveurs
Service des technologies de l’information
Université de Sherbrooke


> -----Message d'origine-----
> De : mailscanner-bounces at lists.mailscanner.info [mailto:mailscanner-
> bounces at lists.mailscanner.info] De la part de Robert Lopez
> Envoyé : 19 juillet 2012 17:08
> À : MailScanner discussion
> Objet : Consequences of increasing email size from 16M to 25M
> 
> We recently outsourced student email to a service that allows an email size
> up to 25 Mbytes.
> Our email gateways run postfix + MailScanner + SpamAssassin + clamd.
> They now direct employee email to an internal Exchange system and student
> email out to the service.
> 
> Currently postfix has "message_size_limit = 16777216"   and I believe
> I cannot simply change this to 26214400 without adversely affecting
> MailScanner, clamd, and especially SpamAssassin.
> 
> I am most concerned about changing MailScanner.conf parameters such as
> TNEF Expander maxsize, ClamAVmodule Maximum File Size, Max Spam
> Check Size, Max SpamAssassin Size, etc. that are all now at default
> MailScanner values.
> 
> Any suggestions of what would be best practice are solicited.
> 
> --
> Robert Lopez
> Unix Systems Administrator
> Central New Mexico Community College (CNM)
> 525 Buena Vista SE
> Albuquerque, New Mexico 87106
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