diff --git a/backend/src/core/components/emails/stagiaires/avisRejectedAlerteEmail.js b/backend/src/core/components/emails/stagiaires/avisRejectedAlerteEmail.js
index 51c9a84d1..382894000 100644
--- a/backend/src/core/components/emails/stagiaires/avisRejectedAlerteEmail.js
+++ b/backend/src/core/components/emails/stagiaires/avisRejectedAlerteEmail.js
@@ -1,3 +1,5 @@
+const BadDataError = require('./../../../errors');
+
 module.exports = (db, regions, mailer) => {
 
     const templateName = 'avisRejectedAlerteEmail';
@@ -13,6 +15,10 @@ module.exports = (db, regions, mailer) => {
         templateName,
         render,
         send: async stagiaire => {
+            if (!stagiaire.individu || !stagiaire.individu.email) {
+                throw new BadDataError(`Le courriel de l'individu a été supprimé pour raison de RGPD. `);
+            }
+
             let region = regions.findRegionByCodeRegion(stagiaire.codeRegion);
 
             return mailer.createRegionalMailer(region).sendEmail(
diff --git a/backend/src/core/components/emails/stagiaires/avisRejectedInjureEmail.js b/backend/src/core/components/emails/stagiaires/avisRejectedInjureEmail.js
index 6d652a591..2ba5b4140 100644
--- a/backend/src/core/components/emails/stagiaires/avisRejectedInjureEmail.js
+++ b/backend/src/core/components/emails/stagiaires/avisRejectedInjureEmail.js
@@ -1,3 +1,5 @@
+const BadDataError = require('./../../../errors');
+
 module.exports = (db, regions, mailer) => {
 
     const templateName = 'avisRejectedInjureEmail';
@@ -13,6 +15,9 @@ module.exports = (db, regions, mailer) => {
         templateName,
         render,
         send: async stagiaire => {
+            if (!stagiaire.individu || !stagiaire.individu.email) {
+                throw new BadDataError(`Le courriel de l'individu a été supprimé pour raison de RGPD. `);
+            }
 
             let formation = stagiaire.formation;
             let region = regions.findRegionByCodeRegion(stagiaire.codeRegion);
diff --git a/backend/src/core/components/emails/stagiaires/avisStagiaireEmail.js b/backend/src/core/components/emails/stagiaires/avisStagiaireEmail.js
index 92db3ab65..f3b22cb0c 100644
--- a/backend/src/core/components/emails/stagiaires/avisStagiaireEmail.js
+++ b/backend/src/core/components/emails/stagiaires/avisStagiaireEmail.js
@@ -1,3 +1,5 @@
+const BadDataError = require('./../../../errors');
+
 module.exports = (db, regions, mailer) => {
 
     const templateName = 'avisStagiaireEmail';
@@ -16,6 +18,9 @@ module.exports = (db, regions, mailer) => {
         templateName,
         render,
         send: async stagiaire => {
+            if (!stagiaire.individu || !stagiaire.individu.email) {
+                throw new BadDataError(`Le courriel de l'individu a été supprimé pour raison de RGPD. `);
+            }
 
             let onSuccess = () => {
                 return db.collection('stagiaires').updateOne({ '_id': stagiaire._id }, {
diff --git a/backend/src/core/components/emails/stagiaires/questionnaire6MoisEmail.js b/backend/src/core/components/emails/stagiaires/questionnaire6MoisEmail.js
index 1cdec49d8..4c219899d 100644
--- a/backend/src/core/components/emails/stagiaires/questionnaire6MoisEmail.js
+++ b/backend/src/core/components/emails/stagiaires/questionnaire6MoisEmail.js
@@ -1,3 +1,5 @@
+const BadDataError = require('./../../../errors');
+
 module.exports = (db, regions, mailer) => {
 
     const templateName = 'questionnaire6MoisEmail';
@@ -14,6 +16,9 @@ module.exports = (db, regions, mailer) => {
         templateName,
         render,
         send: async stagiaire => {
+            if (!stagiaire.individu || !stagiaire.individu.email) {
+                throw new BadDataError(`Le courriel de l'individu a été supprimé pour raison de RGPD. `);
+            }
             let onSuccess = () => {
                 return db.collection('stagiaires').updateOne({ '_id': stagiaire._id }, {
                     $set: {
diff --git a/backend/src/core/components/workflow.js b/backend/src/core/components/workflow.js
index 06541c738..ddc14fd14 100644
--- a/backend/src/core/components/workflow.js
+++ b/backend/src/core/components/workflow.js
@@ -1,6 +1,7 @@
 const ObjectID = require('mongodb').ObjectID;
 const _ = require('lodash');
 const { IdNotFoundError, ForbiddenError } = require('./../errors');
+const Boom = require('boom');
 
 module.exports = (db, logger, emails) => {
 
@@ -109,9 +110,11 @@ module.exports = (db, logger, emails) => {
                 }
 
                 if ((qualification === 'injure' || qualification === 'alerte')) {
+                    let stagiaire = await db.collection('stagiaires').findOne({ token: original.token });
+                    if (!stagiaire.individu || !stagiaire.individu.email) {
+                        throw Boom.badRequest(`Avis rejeté, cependant le stagiaire n'a pas pu être notifié. `);
+                    }
                     sendEmail(async () => {
-                        let stagiaire = await db.collection('stagiaires').findOne({ token: original.token });
-
                         let message = emails.getEmailMessageByTemplateName(`avisRejected${_.capitalize(qualification)}Email`);
                         return message.send(stagiaire);
                     });
@@ -187,8 +190,11 @@ module.exports = (db, logger, emails) => {
             });
 
             if (options.sendEmail) {
+                let stagiaire = await db.collection('stagiaires').findOne({ token: previous.token });
+                if (!stagiaire.individu || !stagiaire.individu.email) {
+                    throw Boom.badRequest(`Avis supprimé, cependant le courriel n'a pas pu être renvoyé. `);
+                }
                 sendEmail(async () => {
-                    let stagiaire = await db.collection('stagiaires').findOne({ token: previous.token });
                     let message = emails.getEmailMessageByTemplateName('avisStagiaireEmail');
                     return message.send(stagiaire);
                 });
diff --git a/backend/src/jobs/mailing/stagiaires/avis/tasks/actions/ResendAction.js b/backend/src/jobs/mailing/stagiaires/avis/tasks/actions/ResendAction.js
index 35994c360..03a8083d1 100644
--- a/backend/src/jobs/mailing/stagiaires/avis/tasks/actions/ResendAction.js
+++ b/backend/src/jobs/mailing/stagiaires/avis/tasks/actions/ResendAction.js
@@ -25,6 +25,7 @@ class ResendAction {
                 { mailRetry: { $lt: parseInt(avisMaxRelaunch) } }
             ],
             'formation.action.session.nbStagiairesFormes': { $gte: 5 },
+            'individu.email': { $exists: true },
         };
     }
 }
diff --git a/backend/src/jobs/mailing/stagiaires/avis/tasks/actions/RetryAction.js b/backend/src/jobs/mailing/stagiaires/avis/tasks/actions/RetryAction.js
index 6916214c7..27f87dfb7 100644
--- a/backend/src/jobs/mailing/stagiaires/avis/tasks/actions/RetryAction.js
+++ b/backend/src/jobs/mailing/stagiaires/avis/tasks/actions/RetryAction.js
@@ -20,6 +20,7 @@ class RetryAction {
                     mailRetry: { $lt: parseInt(this.configuration.smtp.stagiaires.avisMaxRelaunch) }
                 }
             ],
+            'individu.email': { $exists: true },
         };
     }
 }
diff --git a/backend/src/jobs/mailing/stagiaires/avis/tasks/actions/SendAction.js b/backend/src/jobs/mailing/stagiaires/avis/tasks/actions/SendAction.js
index c43f2137b..265fad622 100644
--- a/backend/src/jobs/mailing/stagiaires/avis/tasks/actions/SendAction.js
+++ b/backend/src/jobs/mailing/stagiaires/avis/tasks/actions/SendAction.js
@@ -16,6 +16,7 @@ class SendAction {
             ...(this.filters.codeRegions ? { 'codeRegion': { $in: this.filters.codeRegions } } : {}),
             ...(this.filters.campaign ? { 'campaign': this.filters.campaign } : {}),
             'formation.action.session.nbStagiairesFormes': { $gte: 5 },
+            'individu.email': { $exists: true },
         };
     }
 }
diff --git a/ui/src/backoffice/components/common/avis/buttons/EditButton.jsx b/ui/src/backoffice/components/common/avis/buttons/EditButton.jsx
index d7e80d69f..6b77cc175 100644
--- a/ui/src/backoffice/components/common/avis/buttons/EditButton.jsx
+++ b/ui/src/backoffice/components/common/avis/buttons/EditButton.jsx
@@ -41,6 +41,7 @@ export default class EditButton extends React.Component {
                     await this.props.onChange(this.props.avis, {
                         message: {
                             type: 'local',
+                            color: 'red',
                             text: 'L\'avis a été supprimé.',
                         },
                     });
@@ -59,7 +60,18 @@ export default class EditButton extends React.Component {
                 }
                 onClose={this.handleCancel}
                 onConfirmed={async () => {
-                    await deleteAvis(this.props.avis._id, { sendEmail: true });
+                    try {
+                        await deleteAvis(this.props.avis._id, { sendEmail: true });
+                    } catch(e) {
+                        const messageJson = (await e.json).message;
+                        await this.props.onChange(this.props.avis, {
+                            message: {
+                                text: !messageJson ? e.message : messageJson,
+                                color: 'red',
+                                type: 'local',
+                            }
+                        });
+                    }
                     await this.props.onChange(this.props.avis, {
                         message: {
                             text: 'Le questionnaire a bien été envoyé au stagiaire.',
diff --git a/ui/src/backoffice/components/common/avis/buttons/RejectButton.jsx b/ui/src/backoffice/components/common/avis/buttons/RejectButton.jsx
index d55768a27..1f0183ce3 100644
--- a/ui/src/backoffice/components/common/avis/buttons/RejectButton.jsx
+++ b/ui/src/backoffice/components/common/avis/buttons/RejectButton.jsx
@@ -49,7 +49,20 @@ export default class RejectButton extends React.Component {
                     </span>
                 }
                 onClose={this.handleCancel}
-                onConfirmed={() => this.reject(this.props.avis, this.state.qualification)} />
+                onConfirmed={async () => {
+                    try {
+                        await this.reject(this.props.avis, this.state.qualification);
+                    } catch(e) {
+                        const messageJson = (await e.json).message;
+                        await this.props.onChange(this.props.avis, {
+                            message: {
+                                text: !messageJson ? e.message : messageJson,
+                                color: 'red',
+                                type: 'local',
+                            }
+                        });
+                    }
+                }} />
         );
     };