Contrôles administratifs granulaires : un atout pour la sécurité des e-mails

Contrôles administratifs granulaires : un atout pour la sécurité des e-mails


La moindre erreur dans votre système de messagerie peut coûter très cher à votre entreprise, tant en argent qu’en conformité et en image de marque. Pour beaucoup d’organisations, ce risque est bien réel. Les e-mails véhiculent quotidiennement des informations sensibles, des stratégies internes et des données clients. Il suffit qu’un employé transfère un rapport financier confidentiel au mauvais contact ou modifie une signature d’e-mail de manière inappropriée pour exposer l’entreprise.
Une seule mauvaise manipulation ou une signature non conforme peut ouvrir la porte à de graves failles. Plus de 90 % des cyberattaques commencent par un e-mail, et pourtant, nombre d’entreprises utilisent encore des contrôles administratifs génériques et trop larges pour prévenir efficacement ces menaces.
C’est précisément là qu’interviennent les contrôles administratifs granulaires. Grâce à une gestion précise, fondée sur les rôles et adaptée à chaque utilisateur, Zoho Mail permet aux équipes IT de sécuriser la messagerie tout en préservant la productivité et l’agilité des collaborateurs.

La sécurité des e-mails évolue

Avec le travail hybride, les e-mails sont consultés partout et sur tout type d'appareils, souvent en dehors des périmètres protégés. Cela multiplie les risques : phishing, erreurs humaines, partages non autorisés... Les exigences réglementaires, elles aussi, deviennent plus strictes. Les stratégies de contrôle globales, trop simples et trop rigides, ne répondent plus aux besoins actuels. Les entreprises doivent adopter une gouvernance plus fine, plus intelligente, qui protège les données tout en respectant le rythme de travail des équipes.
C’est exactement ce que permettent les contrôles administratifs granulaires.

Qu’est-ce qu’un contrôle administratif granulaire ?

Le contrôle administratif granulaire permet aux administrateurs IT d’appliquer une gouvernance précise et adaptée aux rôles pour toutes les actions liées à la messagerie. Contrairement aux politiques globales tout-ou-rien, ce type de contrôle autorise la création de règles ciblées pour un utilisateur, un groupe ou un département spécifique.
Ainsi, il devient possible de définir qui peut échanger avec l’extérieur, quels formats de pièces jointes sont acceptés, ou comment les signatures, modèles et polices doivent être utilisés. Les permissions basées sur les rôles permettent également d’ajuster les règles selon les responsabilités de chacun : direction, finance, marketing, etc.
L’objectif : créer un environnement de messagerie sûr, conforme et uniforme, protégeant les données et l’image de marque, sans entraver la productivité.

Pourquoi les entreprises ont besoin de contrôles granulaires

Les e-mails transportent quotidiennement des informations sensibles. Même une petite erreur peut provoquer des fuites de données ou des sanctions de non-conformité.
  1. Sécurité renforcée - Les contrôles granulaires limitent les risques de fuites accidentelles, de phishing ou d’abus internes. Les administrateurs peuvent gérer l’envoi d’e-mails externes, contrôler les pièces jointes et définir des permissions spécifiques par rôle.
  2. Conformité simplifiée - Pour respecter des réglementations comme le RGPD ou HIPAA, il est crucial d’appliquer les règles de manière uniforme dans toutes les équipes et zones géographiques.
  3. Protection de la marque - Des signatures, modèles et formats cohérents renforcent l’identité de l’entreprise. Les contrôles granulaires permettent de faire respecter ces standards sans nuire à la productivité.
Ainsi, sécurité, conformité et image de marque sont assurées, créant un environnement de messagerie plus sûr et professionnel.

Les situations où les contrôles granulaires sont essentiels

  1. Finance et juridique : éviter les fuites accidentelles de rapports confidentiels.
  2. Marketing et ventes : garantir une image de marque cohérente et professionnelle.
  3. Secteurs réglementés : appliquer les règles de conformité par département ou région.
  4. Travail hybride : sécuriser les accès multi-appareils sans freiner la productivité.
En ciblant précisément les règles, les contrôles administratifs granulaires créent un environnement de messagerie sûr, conforme et efficace. Zoho Mail offre aux administrateurs IT une supervision complète tout en maintenant la flexibilité des équipes.

Ce que Zoho Mail offre et comment cela aide les entreprises

Zoho Mail fournit aux administrateurs un ensemble complet d’outils pour sécuriser les communications, garantir la conformité et maintenir une image professionnelle.
  1. Politiques de messagerie : définir qui peut envoyer ou recevoir des e-mails, limiter les échanges à des domaines de confiance, appliquer des règles spécifiques par équipe.
  2. Restrictions d’accès : contrôler les connexions par IP, réseau ou appareil, avec intégration Active Directory et MDM.
  3. Restrictions de transfert : bloquer ou limiter le transfert vers des domaines non vérifiés pour protéger les informations sensibles.
  4. Sécurité des pièces jointes : filtrer les fichiers à risque, scanner les dossiers compressés et bloquer les contenus dangereux ou confidentiels.
  5. Signatures uniformes : appliquer des modèles de signature et de disclaimer à l’échelle de l’organisation pour renforcer l’identité de marque.
  6. Politiques de mot de passe et de session : imposer des mots de passe robustes, réinitialisations régulières et délais d’inactivité pour chaque session.
  7. Contrôle d’accès par rôle : attribuer des droits précis selon le rôle, le département ou l’équipe, pour une gouvernance sécurisée.
  8. Journaux d’audit et suivi : surveiller les actions administratives, l’accès aux boîtes aux lettres et les changements de configuration.
  9. Conservation des données et eDiscovery : gérer les périodes de rétention, rappeler des messages et traiter les demandes de droits des utilisateurs rapidement.
Zoho Mail permet ainsi aux entreprises de créer un environnement de messagerie sécurisé, conforme et professionnel, tout en préservant la productivité des équipes. Les administrateurs peuvent appliquer des règles fines sans limiter la productivité des équipes, tandis que chaque action administrative est suivie pour assurer la sécurité et conformité. Zoho Mail assure des échanges cohérents, professionnels et sûrs.

Prenez le contrôle de vos e-mails et renforcez la sécurité de votre organisation avec la Console d’administration de Zoho Mail.

L'équipe Zoho France



      • Sticky Posts

      • Collaboration sans faille avec Zoho One

        Bonjour à tous, Dans cet article nous allons voir comment Zoho One permet une collaboration à différents niveaux .       La façon dont nous travaillons évolue. À mesure que les entreprises se mondialisent, la plupart des activités sont menées en équipe.

        • Recent Topics

        • How to implement new online payment gateway?

          Hello, Can you tell me how to proceed to implement my local payment gateway? DIBS has an open avaiable API that should be easy to implement into ZOHO BOOKS. http://tech.dibspayment.com/dibs_payment_window

        • Formula working in MS Excel , is not working in Zoho Sheets, Filter fuction which is working in MS sheets per the attached workbook / Daily update.

          Filter function , which is working in MS Excel is not working in Zoho sheets. Please help on function of filter of particular class sheets and extract students name who has more than 3.5 hours of study hours on particular day depending on date in D7 cell.

        • New in Smart Prompt: Record Assistant for contextual assistance, and support for new AI models

          Smart Prompt helps teams stay informed and move faster by providing relevant suggestions where work happens in CRM. With this update, Smart Prompt becomes more adaptable to your organization’s AI preferences. You can now choose which Large Language Model

        • Improved Integration Failure Information (And Notification Options)

          Hi, When an attachment service for example fails, you just get "Field x - Error", I can check the field it is failing on and find nothing wrong, same file size, type, dimensions, etc. so more information as to the actual issue would be helpful. And an

        • Create static subforms in Zoho CRM: streamline data entry with pre-defined values

          Last modified on (9 July, 2025): This feature was available in early access and is currently being rolled out to customers in phases. Currently available for users in the the AU, CA, and SA DCs. It will be enabled for the remaining DCs in the next couple

        • Change User Role in a Form

          Hi, When in a form, it would be good (And consistent) to be able to change the user role/permission like you can with Shared Reports, All Entries or the actual User itself, rather than having to delete the users permission and then add it back again with

        • Reassign Partially Saved Entries

          Hi, I would like to be able to go to Partially Saved Entries and like the option to delete them I would like the option to multi-select and be able to reassign them to another user to complete (Such as when a user has left the company). Thanks Dan

        • Increase the "Maximum Saved Entries per User" Options Limit

          Hi, You can create lots of saved entries, yet the Limit when you apply one is 25, we may often expect 32 to be in draft, and therefore want to enforce that, can we increase the limit of this field from 25 to 100 (As you can just turn it off and have more

        • Dynamic Field Folders in OneDrive

          Hi, With the 2 options today we have either a Dynamic Parent Folder and lots of attachments all in that one folder with only the ability to set the file name (Which is also not incremented so if I upload 5 photos to one field they are all named the same

        • Product Updates in Zoho Workplace applications | December 2025

          Hello Workplace Community, Let’s take a look at the new features and enhancements that went live across all Workplace applications this December. Zoho Mail Block emails without notifying the sender Block emails without sending a rejection notification

        • Zoho CRM for Gmail Extension Not Working in Brave Browser?

          Is anyone able to get the Zoho CRM Chrome Extension working in the Brave browser? They're both built on the Chromium platform and every other Chrome Extension works with the exception of Zoho CRM for Gmail so any ideas here?

        • Set Frozen Cells in the Report Settings

          Hi, It would be nice to be able to set the frozen cells in the report Settings, and have an option if this is fixed or can be changed after loading (On the next load it still goes back to the Settings). Thanks Dan

        • Microsoft Teams now available as an online meeting provider

          Hello everyone, We're pleased to announce that Zoho CRM now supports Microsoft Teams as an online meeting provider—alongside the other providers already available. Admins can enable Microsoft Teams directly from the Preferences tab under the Meetings

        • Tip of the week #26: Import/ Export calendars in Zoho Calendar.

          Any calendar on the web or calendars that you create in any other calendar application can be imported in to Zoho Calendar. This will help you to add the events from the calendars that you import to your Zoho Calendar. You also have the option to export

        • Add Zoho Forms to Zoho CRM Plus bundle

          Great Zoho apps like CRM and Desk have very limited form builders when it comes to form and field rules, design, integration and deployment options. Many of my clients who use Zoho CRM Plus often hit limitations with the built in forms in CRM or Desk and are then disappointed to hear that they have to additionally pay for Zoho Forms to get all these great forms functionalities. Please consider adding Zoho Forms in the Zoho CRM Plus bundle. Best regards, Mladen Svraka Zoho Certified Consultant and

        • Blocklist candidates in Zoho Recruit

          We’re introducing Block Candidate, which helps recruiters to permanently restrict a candidate from applying to current/future job openings. Once the candidate is blocked, they will no longer be able to participate in the recruitment process. This will

        • What is the safest way to convert OST to PST files?

          The safest way to convert OST to PST files is by using a reliable and professional OST to PST Converter tool. Manual methods often risk data loss, corruption, or dependency on Exchange Server connectivity. A trusted converter Aryson OST to PST Converter

        • Zoho CRM for Everyone's NextGen UI Gets an Upgrade

          Hello Everyone We've made improvements to Zoho CRM for Everyone's Nextgen UI. These changes are the result of valuable feedback from you where we’ve focused on improving usability, providing wider screen space, and making navigation smoother so everything

        • Social icons, open in new tab?

          Hello, I have two social icons on my footer, Facebook and Psychology Today. Clicking on the Facebook icon opens a new tab, the Psychology Today icon does not. I would like them both to open a new tab. Am I missing a setting somewhere?

        • Introducing Connected Records to bring business context to every aspect of your work in Zoho CRM for Everyone

          Hello Everyone, We are excited to unveil phase one of a powerful enhancement to CRM for Everyone - Connected Records, available only in CRM's Nextgen UI. With CRM for Everyone, businesses can onboard all customer-facing teams onto the CRM platform to

        • Real-Time Screen Annotation During Zoho Cliq Screen Sharing

          Hi Zoho Support Team, Hope you're doing well. We’d like to request the addition of real-time screen annotation tools during screen sharing sessions in Zoho Cliq video calls. 🔍 What We're Looking For: The ability for the presenter—and optionally, other

        • encountering an error when attempting to associate an email with a Deal using the Zoho CRM extension in Zoho Mail.

          When I click "Yes, associate," the system displays an "Oops!! Something went wrong" error message. I have attached a screenshot of the issue for reference.

        • Autofill address using smart fields mapped over the pdf document

          Hi, I'm using mail merge to map smart fields onto PDF documents I plan to distribute for signing. I already have a Zoho Sign subscription. When mapping smart fields from the Employee form, I only see the permanent and current addresses which include the

        • Live Chat for user

          Hi everyone, I’m new to Zoho Creator and wanted to ask if it’s possible to add a live chat option for all logged-in portal users so they can chat internally. I’m trying to create a customer portal similar to a service desk, but for vehicle breakdowns,

        • How do I cap employee leave accrual

          HI there, How do I cap an employee's leave accrual? The policy is that you accrue 15 days leave annually (1.25 days a month) and once you reach 15 days, you wont accrue more until you take leave. Thank you!

        • Open sub form from a button as a popup form

          Is there a way within a form to use similar code as below to show a button in the form when clicked opens the subform for data to be added to the record being viewed in the form OpenUrl("#Form:<Customer_Delivery_Address>?<Delivery_Address>=" + input.ID,"popup

        • Dont have backup option in setting

          Hi guys. I started using zoho book a week ago. I bought premium package yet I don't have backup option in setting. I hope anyone can help me find a solution. Thanks in advance

        • Making Tags Mandatory

          When creating an expense, is it possible to make the Tags field mandatory?  I see the option in settings to make other fields mandatory, like Merchant, Description, Customer, etc, but nothing about Tags. Thanks! Kevin

        • Is there a plan to integrate zoho voice with zoho books?

          Hello, Is there a plan to integrate zoho voice with zoho books? Right now we are using the Twilio SMS integration into zoho books, but have recently decided to switch to zoho voice for calls and sms. Is there a plan to integrate zoho voice natively into

        • Pass variables to Zoho Desk via URL to create a fast new ticket landing page

          We are integrating our phone system into Zoho Desk. Currently when a helpdesk agent answers the phone, a soft client opens a new tab with zoho desk at the new case page. https://desk.zoho.com/support/companyname/ShowHomePage.do#Cases/new We would like

        • Zoho Books Extension: What Happens If Custom Fields Already Exist?

          When developing Zoho Books extensions, what happens if the target Zoho Books organization already has a custom field with the same API name as one defined in the extension? I’m asking because we originally created an on-Books version of this functionality,

        • Modular Permission Levels

          We need more modular Permissions per module in Books we have 2 use cases that are creating problems We need per module export permission we have a use case where users should be able to view the sales orders but not export it, but they can export other

        • ¡Vuelven los Workshops Certificados de Zoho a España!

          ¡Hola usuarios de Español Zoho Community! Hace ya unos días que hemos dado la bienvenida al 2026, y promete ser un año de lo más emocionante. Y es que nos gustaría haceros nuestro particular regalo de Reyes, aunque lleguemos un poco tarde. 🎁 ¡Nos gustaría

        • Free Webinar on 21 January: Looking back at Zoho Mail in 2025

          Hello Zoho Community! Curious about how Zoho Mail evolved in 2025? Wondering how these updates can make your everyday email work simpler? We’ve got a session you won’t want to miss. In our Zoho Mail 2025 recap webinar, we’ll walk you through the key features

        • Cliq Networks users can see all other network users contact information

          Is there a way to hide user contact information from each user in networks? I would only like the users to see the admin's contact information, not other users. Network users information shared by default

        • Zoho Sheet - Printing - Page Breaks and Printing Customization

          I think the title is descriptive enough in that I cannot find help documentation on a simple task of adding in page brakes for separating pages on print. Thanks

        • Missing the "Find & Merge Duplicates" choice

          Hi, I am missing the "Find & Merge Duplicates" choice. I looked under the "More Actions" menu in Contacts, Accounts, Vendors, and Leads and it is not there. I have full permissions. Please assist me on finding this feature. Thanks!

        • OAuth integration issues

          I'm experiencing persistent OAuth errors when trying to connect Make with Zoho API. I've tried multiple approaches but keep encountering the following issues: First error: 'Invalid Redirect Uri - Redirect URI passed does not match with the one configured'

        • Marketing Tip #16: Ideal sizes and formats for adding images to your online store

          Images can make (or break) your storefront experience. When your banners and product photos follow the right sizes and aspect ratios, your store looks cleaner, loads faster, and feels more trustworthy—especially on mobile. Here are recommended image sizes

        • Improve WhatsApp Module in Zoho CRM

          The current WhatsApp module UI in Zoho CRM feels cluttered and complex, especially when handling high volumes of conversations. It would be great to enhance the WhatsApp module UI/UX by adopting a clean and simplified interface similar to Bigin CRM’s

        • Next Page