Castleforce IT Security Team

Mail Servers

GCSX No 22.1 Mail Servers

A Mail Transport Agent (MTA), MUST be capable of sending and receiving mail using SMTP in accordance with RFC822 is used

GCSX No 22.2 Mail Servers

All GSi bound email MUST be routed by the GSi GCSX mail relay using the organisation's GSi connection

GCSX No 22.3 Mail Servers

The mail server MUST initiate all transfers of mail to and from the proxy

GCSX No 22.4 Mail Servers

The source email address for all email sent from a GCSX connected network MUST be of the format: username@organisation.gcsx.gov.uk

GCSX No 22.5 Mail Servers

It is RECOMMENDED that Organisations do not allow their GCSX email address to be used as a source address by any other organisation

GCSX No 22.6 Mail Servers

Users MUST not use their GCSX email address as a sender field when emailing content from the Internet to GSi

GCSX No 22.7 Mail Servers

Any commissioned web development activity MUST not use the GCSX domain names as source addresses in emails generated outside the GSi


Castleforce IT Security Consultancy

The Castleforce IT Security Consultancy service was established to address the growing need for organisations to understand and manage security at a higher level. 

Our IT Security Standards Gap Analysis deliver reports to help organisations understand what needs to be addressed in order for them to achieve the level of Compliance desired. 

The Gap Analysis for PCI DSS, ISO27001 and GCSx CoCo identify all the sections within each standard which includes Physical, Network and Data Security.

Contact-Castleforce-for-help-with-Compliance


Email Server Partners

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