Policy Register
Every policy type · Operations and technology

Email and messaging policy

How email and messaging may be used, what may be sent by them, how they are protected and filtered, and how long they are kept.

How the register reads it

Also calledelectronic communications policy, messaging policy
FamilyOperations and technology
Document typePolicy. The regimes ask for the content, not the label; a line pasted as a standard, procedure, plan or schedule is placed here with the label noted.
Folds intoThe regimes accept it folded into the acceptable use policy; when neither is listed, the gap is counted once, under the parent.
Expected ownerThe head of IT operations.
Review cadenceAnnual (the register's default: the clauses say planned intervals and on significant change, and do not fix a period).
On the gap list whennever on its own: the register recognises it and names the clauses, but no ticked regime lists it as a separate document (its parent, acceptable use policy, is).
TemplateEmail security policy.

Which standards require it, and what each expects it to contain

2 requiring clauses, 1 regimes

Shown on a register for the regimes you tick; with none ticked, ISO 27001 is applied. Requirement text drawn from a human-verified compliance corpus under licence: the corpus statement of each clause, not the instrument verbatim.

ISO/IEC 27001:2022

ISO 27001 5.14 Information transfer

Put rules, procedures or agreements in place for every way information moves, inside and outside the organization.

What the ISO 27002 guidance expects the document to say: Requires transfer rules, procedures or agreements to be in place for every type of transfer facility, covering transfers within the organisation and between the organisation and outside parties.

Evidence an auditor accepts: Transfer rules covering each transfer type in use, being electronic, physical and verbal; transfer agreements with external parties, setting out protection, liability and traceability requirements; technical evidence of protection in transit, such as enforced transport encryption, secure file transfer configuration and managed file transfer logs
Common gap: Reliance on informal verbal agreements
Source: ISO/IEC 27001:2022; guidance ISO/IEC 27002:2022
ISO 27001 8.23 Web filtering

Manage access to external websites to reduce exposure to malicious content.

What the ISO 27002 guidance expects the document to say: Requires access to external websites to be managed so as to reduce exposure to malicious content.

Evidence an auditor accepts: The web filtering policy defining the categories blocked and the basis for blocking; configuration evidence showing the filtering in force, including its coverage across office, remote and mobile users; evidence of handling encrypted traffic, and any decisions taken about inspection, with the privacy considerations
Common gap: Outdated URL category lists
Source: ISO/IEC 27001:2022; guidance ISO/IEC 27002:2022

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Documented operating procedures · Endpoint device policy