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

    • Differences between Zoho Books and Zoho Billing

      Without a long drawn out process to compare these. If you were looking at these Books and Billing, what made you opt for one and not the other. Thanks

    • Auto-sync field of lookup value

      This feature has been requested many times in the discussion Field of Lookup Announcement and this post aims to track it separately. At the moment the value of a 'field of lookup' is a snapshot but once the parent lookup field is updated the values diverge.

    • Custom validation in CRM schema

      Validation rules in CRM layouts work nicely, good docs by @Kiran Karthik P https://help.zoho.com/portal/en/kb/crm/customize-crm-account/validation-rules/articles/create-validation-rules I'd prefer validating data input 'closer to the schema'

    • No Ability to Rename Record Template PDFs in SendMail Task

      As highlighted previously in this post, we still have to deal with the limitation of not being able to rename a record template when sent as a PDF using the SendMail Task. This creates unnecessary complexity for what should be a simple operation, and

    • Server error when trying to Data > Sort > Custom Sort

      Been using Data > Sort > Custom Sort for a while, now it has suddenly stopped working. When selecting the same data range and trying to execute, I get "Sorry! There was a problem saving your last edit. Please try again."

    • To Assign a genrated pdf to a file upload field using delug

      content = "<html><body>HTML Content on page One <div style='page-break-after:always'></div> HTML Content on page Two </body></html>"; file = zoho.file.convertToPDF(content); file.setFileName("Name of the file"); <variableName> = <FormLinkName>[ID == input.ID];

    • TArgets To Accounts (Modules)

      How can i set sale target to Customers (Accounts Module)

    • Breaking barriers with multilingual WhatsApp templates in IM

      Ever wondered what it feels like to be greeted in your own language by a brand you love? A “Welcome!” feels nice, but a “¡Bienvenido!” or “स्वागत है!” feels personal. In today’s global world, conversations often need to cross both time zones and cross

    • Super Admin Logging in as another User

      How can a Super Admin login as another user. For example, I have a sales rep that is having issues with their Accounts and I want to view their Zoho Account with out having to do a GTM and sharing screens. Moderation Update (8th Aug 2025): We are working

    • How to share private Opportunities with whole org at an account level

      Opportunities are currently set to private, so our sales team only sees their own opportunities, along with their manager and upper leadership. The need is the ability for the rest of the Org to see the opportunities at an account level, not within the

    • 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

    • Subform edits don't appear in parent record timeline?

      Is it possible to have subform edits (like add row/delete row) appear in the Timeline for parent records? A user can edit a record, only edit the subform, and it doesn't appear in the timeline. Is there a workaround or way that we can show when a user

    • Problema Verificacion con proveedor NIC.AR

      No puedo realizar la verificación del correo, he seguido los pasos indicados y configurado los MX. Y no puedo verificar el correo. He leido en el foro que otros han tenido el mismo problema. Alguno pudo solucionarlo?

    • How to remove some users in zoho accounts

      How to remove some users in Zoho accounts.

    • Reupload and rename from one field to another field (file upload)

      Hi Everyone, Sorry, i have question to use invoke url for rename and reupload attachments file to another field. Tested on development mode. Zoho C6. Refer to https://www.zoho.com/creator/help/api/v2/upload-file.html look my error notification. Does anyone

    • Unified Inbox for all, including fetched mails

      I fetch mails from different third-parties mailboxes. But I need to switch mailbox too see fetched mails. It's strange. All mailboxes have one shared disk space for own mail and fetched mail, but why do we need to switch mailbox (on the left bottom) to

    • Whatsapp Limitation Questions

      Good day, I would like to find out about the functionality or possibility of all the below points within the Zoho/WhatsApp integration. Will WhatsApp buttons ever be possible in the future? Will WhatsApp Re-directs to different users be possible based

    • Users Not Automatically Being Added To WorkDrive Team

      I have already created a ticket for this issue, but the support team doesn't seem to understand what's happening. Our organization started with a trial of Zoho Workplace around November 10, 2025. I created 10 users, including myself. I sent out the invites,

    • Synchronization between Gmail and Zoho Mail

      Hello! I am using Zoho Mail within the Zoho One platform. I have completed the basic setup and added all the required DNS records with our domain provider. Our goal is to set up two-way synchronization between our current Gmail inbox and Zoho Mail, but

    • IMAP login problem

      I have my domain hosted with zoho @wilson.ie I have added a new user and have enabled IMAP access to this user account The user can login to zoho mail on the web. When we enter the server settings into Outlook as per below, Outlook cannot login to the

    • Contact data removes Account data when creating a quote

      Hi, Our customer has address fields in their quote layout which should be the address of the Account. They prefill the information, adding the account name - the address data is populated as per what is in the account - great. However when they then add

    • Changes to subform in Zoho CRM Portal Timeline History Unavailable

      Hi Support Team, We have noticed a feature limitation in the Zoho CRM portal. We created a portal for our vendors to edit records directly, but when vendors make updates, the Modified Time and Date fields are not being updated. Additionally, these updates

    • This mobile number has been marked spam. Please contact support.

      Hi Support, Can you tell me why number was marked as spam. I have having difficult to add my number as you keep requesting i must use it. My number is +63....163 Or is Zoho company excluding Philippines from their services?

    • Zoho CRM Portal Field Level Permission Issue

      Hi Support Team, I am using the Zoho CRM Portal and configuring field-level editing permissions. However, we are unable to restrict portal users from editing certain fields. We have created a portal and provided View and Edit (Shared Only) access for

    • How to restrict user/portal user change canvas view

      Hi , I would like to restrict user / portal user change their canvas view because I hide some sensitive field for them. I dont want my user switch the canvas view that do not belong to them But seems Zoho do not provide this setting?

    • Function #11: Apply unused credits automatically to invoices

      Today, we bring you a custom function that automatically applies unused credits from excess payments, credit notes, and retainer payments to an invoice when it is created. Prerequisites: Create a Connection named "zbooks" to successfully execute the function.

    • Edit Contact Roles in the Potentials Mod

      New to ZOHO so I need some help.  I work the same people on different projects concurrency. Their contact info remains the same but their role changes from project to project.  In the Potential Mod you can pick contacts and assign a Role to them.  I know how to edit the roles. What I want to do is add some fields. Specifically I want to add the following "Expectation" "Requirements" and "Communication "Requirements." This will allow me to look at a Potential and see information associated with this

    • Duplicating report but custom layout does not

      Dear Zoho Creator, I need to duplicate a report into 10 copies, but unfortunately the custom layout (detail view) doesn’t copy along with it. I tried exporting and importing the custom layout, but the field mappings are incorrect. I believe everyone are

    • Credit Card Readers?

      We would like to use our commerce website at conferences (and eventually in store) to swipe credit cards to pay for orders. How would we accomplish this? Does Zoho have anything available for a developer write code to integrate something like Stripe Terminal

    • AI generated meeting notes associated to Account or Deal

      As our organization works to improve efficiency we are looking for a solution to leverage AI to generate meeting notes and then add those notes to a CRM record such as an Account or Deal. I see Zoho has a Notebook AI offering that talks about the ability

    • Stock count by bin location

      Is there a configuration to make a stock count by bin or area and not by product. these is useful to manage count by area Regards

    • Add Prebuilt "Partner Finder" Template with Native Zoho CRM Integration in Zoho Sites To: Zoho Sites Product Team

      Hi Zoho Team, We hope you're doing well. We would like to request a prebuilt "Partner Finder" template for Zoho Sites, modeled after your excellent implementation here: 🔗 https://www.zoho.com/partners/find-partner-results.html ✅ Use Case: Our organization

    • How Do I Refund a Customer Directly to Their Credit Card?

      Hi, I use books to auto-charge my customers credit card. But when I create a credit note there doesn't seem to be a way to directly refund the amount back to their credit card. Is the only way to refund a credit note by doing it "offline" - or manually-

    • Can we generate APK and IOS app?

      Dears, I want to know the availability to develop the app on zoho and after that .. generate the APK or IOS app  and after that I added them to play store or IOS store.. Is it possible to do this .. I want not to use zoho app or let my customers use it. thanks 

    • Limitation with Dynamic Email Attachment Capture

      I've discovered a flaw in how Zoho Creator handles email attachments when using the Email-to-Form feature, and I'm hoping the Zoho team can address this in a future update. The Issue According to the official documentation, capturing email attachments

    • Zoho Learn Course Completion Notifications/Triggers/API

      Zoho Learn works great and will suit our course creation needs, but it appears to be lacking a bit when it comes to integration with other Zoho services (creator etc.) when it comes to course completion. 1) Is there an API or Zoho Flow trigger for when

    • Sorting a list of record acquired from the zoho.crm.searchRecords function.

      This is something for which I'm trying to figure out a straightforward way to do. The searchRecords does a great job fetching me the records that I want. However, in some cases, where it returns multiple records, I want it to sort the returned list by date of creation of that record, so that when I do records.get(0), I get the most recent record.  As an example, here's my sample pseudo code: records = zoho.crm.searchRecords("Clients", "Office_Number:equals:123456"); Now the "records" list above contains

    • Enhanced Recording Permission Controls for Zoho Cliq Meetings (Similar to Zoom)

      Hello Zoho Cliq Team, We hope you are doing well. We would like to request an enhancement to the recording permission functionality in Zoho Cliq Meetings. Current Limitation: in Zoho Cliq Only hosts and co-hosts can record a meeting. Participants cannot

    • Phone Connection

      When on a call the person on the other end complains that there is static, I am cutting in and out or they can't hear me all. This happens on the cell connection as well.

    • Can't add a sender adress from zoho campaigns

      hi, I need to change the sender address for a campaign.  When i try to add it i get a message to say 'duplicated email address found while adding your sender address'.  This is the first campaign i'm sending so I don't understand why this message is displayed? Thanks Jane 

    • Next Page