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Cisco ESA and SMA virtual appliance Sizing tool

Dear Team,

 

Please help me to sizing Cisco ESA and SMA virtual appliance where Customer want to deploy Cisco ESA Virtual appliance for System generated mails/alerts of various alerts as out going mial th other domain.

what parameter shold I need to consider while sizing ciso ESa and SMA?

2 REPLIES 2
VIP Advisor

Re: Cisco ESA and SMA virtual appliance Sizing tool

here is the sizing guide based on the users : (table 4 and 5)

 

https://www.cisco.com/c/en/us/products/collateral/security/email-security-appliance/data-sheet-c78-729751.html

 

 

BB
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Participant

Re: Cisco ESA and SMA virtual appliance Sizing tool

Let me ask you a few questions before giving you some ideas/hints and indications.

 

The Cisco sizing guideline does unfortunately no longer do a good job in asking all the right questions.

 

They key indicators we would need to know are :

 

a) number of users and domains

b) numbers of inbound and outbound messages per day

In terms of services we would need to know :

 

c) Antivirus yes/no

d) AntiSpam yes/no

e) AMP - Advanced Malware Protection yes/no

f) MAR - Message Auto Remediation yes/no

g) SPF/DKIM/DMARC enforcement yes/no

h) external ThreatFeeds yes/no

i) URL rewrite to proxy yes/no

j) SIEM upload yes/no

k) customer mail rules an filters, how many ?

 

to narrow the platform choices some other questions :

 

l) Is HA High Availability of the email security gateways a requirement ?

m) Do you require hardware appliances or is virtual also an option ?

n) Do you want a hosted service or host inhouse ?

o) What is SLA of the service ?

 

Once I get your answers I will to guide into the right direction.

 

-Marc

 

 

 

 

 

 

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