Reference Guide

3.3 Communication security
This is the third aspect of secure mobile printing. HP ePrint Enterprise can accept print jobs using the HTTPS
protocol or the SMTP protocol. When using the SMTP protocol, HP ePrint Enterprise server, by default, uses
TLS to interact with the enterprise email server. HP encourages its customers to configure their mobile
email-clients also to use TLS for interacting with their enterprise email server.
3.4 Content security
HP ePrint Enterprise backend stores data temporarily, during the lifetime of a job request:
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Emails forwarded to HP ePrint Enterprise backend are intercepted during the regular SMTP processing
stack, their contents are fetched, and the email message is discarded. No email message is stored
locally. Access to emails is performed using the local system account setup for HP ePrint Enterprise.
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Content is stored either in the local storage folder, or a remote storage folder indicated during setup.
Specific account credentials must be provided during setup to allow remote folders. Documents that
reach a final status (printed or failed) are marked as “processed.” Stored processed documents are
deleted periodically by system maintenance routine (frequency can be determined by IT administration
setting). This is valid for both local and remote storage.
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When a document submitted is printed, HP ePrint Enterprise deletes the document on the server in a
fail-safe and fool-proof manner. This practice mitigates the risk of loss of confidential documents on
the server.
3.5 Printing security
3.5.1 PIN Printing
In addition, HP ePrint Enterprise natively provides a PIN-printing feature to its mobile users for optional
usage. PIN printing does not rely on the enterprise identity management system unlike Secure Pull-Printing
Solutions – so, it is a light-weight authorized print-job release solution. Authorized print-job release for
enterprise guests is possible with PIN printing solutions. The users are provided with a job-specific PIN by HP
ePrint Enterprise so that the user can request job-release from an HP Printer, which supports Job Storage.
3.5.2 Secure Pull Printing
HP ePrint Enterprise server supports the following HP Secure Pull Printing solutions in addition to non-HP
Secure Pull Printing solutions.
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HP Access Control SPP
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HP Access Control SPPE
Section 3.3 Communication security 11