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


      Zoho Campaigns Resources


        • Desk Community Learning Series


        • Digest


        • Functions


        • Meetups


        • Kbase


        • Resources


        • Glossary


        • Desk Marketplace


        • MVP Corner


        • Word of the Day


        • Ask the Experts


          • 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.

          Zoho CRM Plus Resources

            Zoho Books Resources


              Zoho Subscriptions Resources

                Zoho Projects Resources


                  Zoho Sprints Resources


                    Zoho Orchestly Resources


                      Zoho Creator Resources


                        Zoho WorkDrive Resources



                          Zoho CRM Resources

                          • CRM Community Learning Series

                            CRM Community Learning Series


                          • Tips

                            Tips

                          • Functions

                            Functions

                          • Meetups

                            Meetups

                          • Kbase

                            Kbase

                          • Resources

                            Resources

                          • Digest

                            Digest

                          • CRM Marketplace

                            CRM Marketplace

                          • MVP Corner

                            MVP Corner




                            Zoho Writer Writer

                            Get Started. Write Away!

                            Writer is a powerful online word processor, designed for collaborative work.

                              Zoho CRM コンテンツ






                                ご検討中の方

                                  • Recent Topics

                                  • In place field editing for candidates

                                    Wondering about any insight/best practices for efficiently updating candidate records while reviewing them in a Job Opening pipeline. We can do in-field editing (e.g. update job title or City) only when we have the full candidate record open, however
                                  • Default tax type for mileage?

                                    Where we are, mileage includes a government tax. Is there any way to set a default tax for the Personal Car Mileage category of expense? (Or any other way?)
                                  • Show price book list price

                                    When using price books, once you add products to the price book in the Products related list you can display the Unit price which is the default list price; however, there is no option to show the price book list price. To see the price book list price
                                  • Cliq File Upload

                                    While uploading large file like 500MB, it takes time, that fines. But if you resize window or move window in other screen, that uploading disappears. After upload complete & sent it will be visible
                                  • Zia Actions: AI-powered Workflow Automation for Faster and Smarter Execution

                                    Hello everyone, Workflows got a notch better with AI-based actions. Actions such as field extraction, prediction, auto reply, and content generation facilitate quick execution with improved speed and accuracy. Zia can intercept useful details in newly
                                  • Constant color of a legend value

                                    It would be nice if we can set a constant color/pattern to a value when creating a chart. We would often use the same value in different graph options and I always have to copy the color that we've set to a certain value from a previous graph to make
                                  • What's New in Zoho POS - October 2025

                                    Hello everyone, Welcome to Zoho POS's monthly updates, where we share our latest feature updates, releases, changes, and more. Let’s take a look at how October went. Process returns for refunds, exchanges, or offer store credit Returns and exchanges can
                                  • Loan and purchase

                                    My husband is lending me mobey to buy a vehicle intersst free ... I need to know how to record the cash receipt and how I pay it back... the money is for a vehicle do I just post the invoice for that as I normally would usung the loan money to pay for
                                  • Zoho Connect Module in Zoho Trident

                                    Hi I really like where Zoho Trident is going. Having Mail and Cliq in one place is especially powerful. However, Zoho Connect really needs to be included to make this a true communication and collaboration hub. I would like to request that Zoho Connect
                                  • Zoho FSM API Delete Record

                                    Hi FSM Team, It would be great if you could delete a record via API. Thank you,
                                  • File Field Validation

                                    Hello all, We are tracking our customer NDA agreements in our CRM and have created 2 fields to do so, an execution date field and a file upload field. I want to create a validation rule to ensure that when the execution date field is populated that the
                                  • 100 record view limitation

                                    I have just migrated from another CRM and am starting in ZOHOcrm with over 5000 contacts. It seems that my searches and sorts are limited to 100 live records....or am I missing something. This seems to be very limiting...in a lot of scenarios (mass email,
                                  • ZUG Meet-ups are back - Across India (December 2025)

                                    The Zoho User Group (ZUG) meet-ups are back, and this time, we’re travelling across India to reconnect with our amazing community! From Chennai to Delhi, Bengaluru to Mumbai, we can’t wait to meet you all in person and talk everything Zoho SalesIQ, automation,
                                  • Categorise Attachments

                                    We take ID, proof of address, right to work documentation and more.  I can upload a single file in to field, but we often receive multiple files for each category e.g. someone may send a separate file for the front and back of their national ID card.  My team don't have time to manipulate the files in order to upload them as a single file. The options, as far as I can tell, would be to create additional fields on attachments in order to categorise what the file is, or to be able to upload single
                                  • Scheduling a meeting for just a 1:1 phone call

                                    My business is B2C and many of my customer's don't want to engage in an online meeting for what can be handled in a regular phone call. I am trying to create a new meeting invitation, but there is no venue optoin for "phone call". How are other's handling
                                  • Need more details on API Usage Dashboard

                                    Hi Team, We have implemented Zoho Expense for a client and has done some integrations with well known third party ERP via api. Recently we have noticed a huge spike in the API consumption. But we couldn't get the root cause for the same. I accept there
                                  • Power of Automation:: Automating SLA Timelines for First Response & Resolution for Issues module.

                                    Hello Everyone, Ever wished SLAs could update automatically based on issue severity i.e no manual tracking, no missed timelines? That is exactly what one of our customers, Alex, wanted to achieve in the Issues module. So, we have setup a simple automation
                                  • Power of Automation :: Quick way to associate your Projects with Zoho CRM

                                    A custom function is a software code that can be used to automate a process and this allows you to automate a notification, call a webhook, or perform logic immediately after a workflow rule is triggered. This feature helps to automate complex tasks and
                                  • Free webinar! Build smarter apps with Zoho Sign and Zoho Creator

                                    Hello, Bring the power of digital signatures to the apps you build in Zoho Creator! Connect Zoho Sign as a microservice and enable seamless e-signature workflows in your applications. This integration allows you to automate signing tasks using Deluge.
                                  • Move orders scan ISBN

                                    Hi We have ISBN setup to be searched in items zoho but move orders dissent recognize the ISBN is there q missing configuration? regards, JS
                                  • What's New - October 2025 | Zoho Backstage

                                    Hey everyone! We’ve been busy rolling out a host of upgrades for Zoho Backstage. While some major features are still going through final rounds of testing to make your event experience smooth as butter, here’s what was new and improved in October 2025.
                                  • Zoho People Attendance Regularization – Wrong Total Hours Displayed

                                    While using Zoho People, I observed that the attendance regularization is showing wrong total hours when applied to past dates. For example, if a check-in is added at 10:00 AM and check-out at 6:00 PM for a previous date, the system sometimes calculates
                                  • Add Flexible Recurrence Options for Meeting Scheduling in Zoho Cliq (e.g., Every 2 Weeks)

                                    Hello Zoho Cliq Team, We hope you are doing well. Currently, when scheduling a meeting inside Zoho Cliq, the recurrence options are limited to Daily, Weekly, Monthly, and Yearly. There is no ability to set a meeting to occur every X weeks — for example,
                                  • Subform Disabled Fields Should Remain Disabled on Edit/View

                                    Currently, when we disable a subform field using on user input or on add new row, it works perfectly during the initial data entry. However, when the record is saved and reopened for viewing or editing, these disabled fields become editable again. This
                                  • How do you print a refund check to customer?

                                    Maybe this is a dumb question, but how does anyone print a refund check to a customer? We cant find anywhere to either just print a check and pick a customer, or where to do so from a credit note.
                                  • What is Resolution Time in Business Hours

                                    HI, What is the formula used to find the total time spent by an agent on a particular ticket? How is Resolution Time in Business Hours calculated in Zohodesk? As we need to find out the time spent on the ticket's solution by an agent we seek your assistance
                                  • Is it possible to turn off all capabilities for a customer to schedule, reschedule or cancel an appointment?

                                    Is it possible to turn off all capabilities for a customer to schedule, reschedule or cancel an appointment? I would like to set it up so only staff can schedule appointments. Is this possible?
                                  • Hide "Section" headers when using a form as a subform in "List view"

                                    When using a form as a subform and setting the "View Type" to "List View" it is not possible to hide the section headers. This can become an issue if I have a section which is not applicable to this subform and I hide the fields within that section and
                                  • Add additional field to quick search results

                                    IN the advanced search, we can add any field to the columns. In the regular search results (before you press enter, there is no option to modify the results. It would be super useful to include a custom field where it currently displays the pipleine
                                  • Need Help: Updating Related Records via Subform Entries in Zoho Creator

                                    Hi everyone, I’m trying to set up a workflow in Zoho Creator where each row in a subform updates related records in another form automatically. Here’s the situation: My main form (e.g., “Receipts”) contains a subform where each row selects a related record
                                  • Disable signing in using email aliases?

                                    Hi, I currently have user accounts that have multiple aliases, for example: Main: name@domain.com Alias: alias1@domain.com, alias2@domain.com Currently, I am able to use any of those 3 emails in the 'username' box during login, and it will log me into the email. Is there a way to setup so that email aliases cannot be used to sign on? I'd still be able to receive and send emails using those aliases in the main email account like it works now, except only the main email can be used to login. Cheers!
                                  • Zoho Desk - Community - Customer Portal - Description Field UX Improvement

                                    Hi Zoho Desk Team, As a prolific user of Zoho Cares Community, I find it very frustrating that I cannot increase the size of the Description box (this one which I am typing this message). Many apps with multi line text fields have a small handle in the
                                  • Add the same FROM email to multiple department

                                    Hi, We have several agents who work with multiple departments and we'd like to be able to select their names on the FROM field (sender), but apparently it's not possible to add a FROM address to multiple departments. Is there any way around this? Thanks.
                                  • Can I change the format of the buttons in the email templates?

                                    Hi all! We have been working hard trying to brand our email templates, and have some way to go yet. One of the things we can't seem to edit is the green ${Cases.CUSTOMER_PORTAL_BUTTON} button and the font of the View Ticket text. Is there any way of doing
                                  • Lead to Contact Conversion with multiple email address fields

                                    We are a B2C business with a strong repeat cycle, and as such it's not uncommon for customers to use multiple email addresses with us. We have both our Contacts & Leads modules set up with 3 email fields. (Primary Email / Secondary Email / Historic Email)
                                  • Does Thrive work with Zoho Billing (Subscriptions)?

                                    I would like to use Thrive with Zoho Billing Subscriptions but don't see a way to do so. Can someone point me in the right direction? Thank you
                                  • Exporting Charts from ZohoCRM

                                    Hi...I'm relatively new to ZohoCRM, but very happy with it so far. I have all my leads and potentials accurately entered, and like the reports that I can view, with charts at the top of the data. But when I export the data, I'm receiving only the data, whether I export as excel, csv or pdf. How can I export both the chart and the data? In case it makes a difference, I'm using the free version right now. I tried researching the other editions to see if a paid version of the software offered the ability
                                  • Automatically Update Ticket Status in Zoho Desk Based on Actions in Zoho Projects

                                    Hi Zoho Desk Team, Hope you’re doing well. We’re using the Zoho Desk–Zoho Projects integration to manage tasks related to customer tickets, and it works well for linking and tracking progress. However, there are a few important automation capabilities
                                  • sms long credits

                                    I’m trying to purchase Long Code credits so I can send SMS campaigns to my contacts. However, when I click the “Buy Now” button, the page appears blank and doesn’t load any purchase options. Could you please assist me in purchasing the Long Code credits
                                  • Tip #48- Power Your AI Workflows with Zoho Assist on Zapier’s MCP- 'Insider Insights'

                                    We’re thrilled to announce that Zoho Assist is now part of Zapier’s Model Context Protocol (MCP), bringing remote support automation right into your AI ecosystem. What is MCP? The Model Context Protocol (MCP) is Zapier’s new framework designed to connect
                                  • Next Page