diff --git a/components/admin/Places.vue b/components/admin/Places.vue
index 2516a7dd..0bf91ffa 100644
--- a/components/admin/Places.vue
+++ b/components/admin/Places.vue
@@ -7,12 +7,13 @@
       el-form-item(:label="$t('common.address')")
         el-input.mr-1(:placeholder='$t("common.address")' v-model='place.address')
       el-button(variant='primary' @click='savePlace') {{$t('common.save')}}
+
     el-table(:data='paginatedPlaces' small)
-      el-table-column(:label="$t('common.name')")
+      el-table-column(:label="$t('common.name')" width='200')
         template(slot-scope='data') {{data.row.name}}
-      el-table-column(:label="$t('common.address')")
+      el-table-column(:label="$t('common.address')" width='400')
         template(slot-scope='data') {{data.row.address}}
-      el-table-column(:label="$t('common.actions')")
+      el-table-column(:label="$t('common.actions')" width='200')
         template(slot-scope='data')
           el-button(size='mini'
             type='success'
diff --git a/components/admin/Users.vue b/components/admin/Users.vue
index dc89ddc4..1cb9b0a2 100644
--- a/components/admin/Users.vue
+++ b/components/admin/Users.vue
@@ -16,14 +16,14 @@ div
 
   //- USERS LIST
   el-table(:data='paginatedUsers' small)
-    el-table-column(label='Username')
+    el-table-column(label='Username' width='150')
       template(slot-scope='data')
         span(slot='reference') {{data.row.username}}
-    el-table-column(label='Email')
+    el-table-column(label='Email' width='300')
       template(slot-scope='data')
         el-popover(trigger='hover' :content='data.row.description' width='400')
           span(slot='reference') {{data.row.email}}
-    el-table-column(:label="$t('common.actions')")
+    el-table-column(:label="$t('common.actions')" width='300')
       template(slot-scope='data')
         div(v-if='data.row.id!==$auth.user.id')
           el-button-group
diff --git a/locales/it.js b/locales/it.js
index f8265284..ab7d09fb 100644
--- a/locales/it.js
+++ b/locales/it.js
@@ -160,6 +160,7 @@ export default {
   },
 
   settings: {
+    update_confirm: 'Sicura di voler salvare le modifiche?',
     change_password: 'Cambia password',
     password_updated: 'Password modificata',
     danger_section: 'Sezione pericolosa',
diff --git a/pages/settings.vue b/pages/settings.vue
index 8826745d..f5a0a0e5 100644
--- a/pages/settings.vue
+++ b/pages/settings.vue
@@ -3,7 +3,7 @@
     nuxt-link.float-right(to='/')
       el-button(circle  icon='el-icon-close' type='danger' size='small' plain)
     h5 {{$t('common.settings')}}
-    hr
+    el-divider {{$auth.user.email}}
 
     el-form(action='/api/user' method='PUT' @submit.native.prevent='update_settings' inline label-width='200px')
 
@@ -17,7 +17,7 @@
 
         div(v-if='user.settings.enable_federation')
           el-form-item(:label="$t('common.username')")
-            el-input(v-if='user.username.length==0' type='text' name='username' v-model='user.username')
+            el-input(v-if='username_editable' type='text' name='username' v-model='user.username')
               template(slot='suffix') @{{baseurl}}
             span(v-else) {{user.username}}@{{baseurl}}
               //- el-button(slot='append') {{$t('common.save')}}
@@ -40,6 +40,7 @@ export default {
   name: 'Settings',
   data () {
     return {
+      username_editable: false,
       password: '',
       user: { }
     }
@@ -51,7 +52,7 @@ export default {
   },
   async asyncData ({ $axios, params }) {
     const user = await $axios.$get('/auth/user')
-    return { user }
+    return { user, username_editable: user.username.length===0 }
   },
   computed: {
     ...mapState(['settings']),
@@ -72,12 +73,16 @@ export default {
       }
     },
     async update_settings () {
-      try {
-        const user = await this.$axios.$put('/user', { ...this.user, password: this.password })
-        this.user = user
-      } catch (e) {
+      MessageBox.confirm(this.$t('settings.update_confirm'),
+        this.$t('common.confirm'), {
+          confirmButtonText: this.$t('common.ok'),
+          cancelButtonText: this.$t('common.cancel'),
+          type: 'error'
+        }).then(async () => {
+          this.user = await this.$axios.$put('/user', { ...this.user, password: this.password })
+        }).catch( e => {
         Message({ message: e, showClose: true, type: 'warning' })
-      }
+      })
     },
     async remove_account () {
       MessageBox.confirm(this.$t('settings.remove_account_confirm'), this.$t('common.confirm'), {
diff --git a/server/api/controller/settings.js b/server/api/controller/settings.js
index ba964986..128ec66f 100644
--- a/server/api/controller/settings.js
+++ b/server/api/controller/settings.js
@@ -81,5 +81,5 @@ const settingsController = {
   },
 }
 
-setTimeout(settingsController.initialize, 200)
+settingsController.initialize()
 module.exports = settingsController
diff --git a/server/api/controller/user.js b/server/api/controller/user.js
index 0402b04f..292f4623 100644
--- a/server/api/controller/user.js
+++ b/server/api/controller/user.js
@@ -6,7 +6,7 @@ const { Op } = require('sequelize')
 const jsonwebtoken = require('jsonwebtoken')
 const config = require('config')
 const mail = require('../mail')
-const { user: User, event: Event, tag: Tag, place: Place } = require('../models')
+const { user: User, event: Event, tag: Tag, place: Place, fed_users: FedUsers } = require('../models')
 const settingsController = require('./settings')
 const federation = require('../../federation/helpers')
 
@@ -118,7 +118,8 @@ const userController = {
     // send response to client
     res.json(event)
 
-    if (req.user) { federation.sendEvent(event, req.user) }
+    const user = await User.findByPk(req.user.id, { include: { model: FedUsers, as: 'followers' }})
+    if (user) { federation.sendEvent(event, user) }
 
     // res.sendStatus(200)
 
@@ -207,8 +208,10 @@ const userController = {
     }
   },
 
-  current (req, res) {
-    if (req.user) { res.json(req.user) } else { res.sendStatus(404) }
+  async current (req, res) {
+    if (!req.user) return res.status(400).send('Not logged')
+    const user = await User.findByPk(req.user.id, { include: { model: FedUsers, as: 'followers' } })
+    res.json(user) 
   },
 
   async getAll (req, res) {
diff --git a/server/api/models/fed_users.js b/server/api/models/fed_users.js
new file mode 100644
index 00000000..7b478052
--- /dev/null
+++ b/server/api/models/fed_users.js
@@ -0,0 +1,13 @@
+module.exports = (sequelize, DataTypes) => {
+  const fed_users = sequelize.define('fed_users', {
+    ap_id: {
+      type: DataTypes.STRING,
+      primaryKey: true
+    },
+    object: DataTypes.JSON
+  }, {})
+  fed_users.associate = function(models) {
+    // associations can be defined here
+  };
+  return fed_users
+}
\ No newline at end of file
diff --git a/server/api/models/user.js b/server/api/models/user.js
index 809d9430..af468fd4 100644
--- a/server/api/models/user.js
+++ b/server/api/models/user.js
@@ -28,10 +28,6 @@ module.exports = (sequelize, DataTypes) => {
     is_admin: DataTypes.BOOLEAN,
     is_active: DataTypes.BOOLEAN,
     rsa: DataTypes.JSON,
-    followers: {
-      type: DataTypes.JSON,
-      defaultValue: []
-    }
   }, {
     scopes: {
       withoutPassword: {
@@ -43,6 +39,7 @@ module.exports = (sequelize, DataTypes) => {
   user.associate = function (models) {
     // associations can be defined here
     user.hasMany(models.event)
+    user.belongsToMany(models.fed_users, { through: 'user_followers', as: 'followers' })
   }
 
   user.prototype.comparePassword = async function (pwd) {
diff --git a/server/federation/follows.js b/server/federation/follows.js
index 4fe8facf..3ee7d7f4 100644
--- a/server/federation/follows.js
+++ b/server/federation/follows.js
@@ -1,6 +1,6 @@
 const config = require('config')
 const Helpers = require('./helpers')
-const { user: User } = require('../api/models')
+const { user: User, fed_users: FedUsers } = require('../api/models')
 const crypto = require('crypto')
 const debug = require('debug')('federation:follows')
 
@@ -10,13 +10,14 @@ module.exports = {
     const body = req.body
     if (typeof body.object !== 'string') { return }
     const username = body.object.replace(`${config.baseurl}/federation/u/`, '')
-    const user = await User.findOne({ where: { username } })
+    const user = await User.findOne({ where: { username }, include: {  model: FedUsers, as: 'followers' }})
     if (!user) { return res.status(404).send('User not found') }
 
     // check for duplicate
-    if (!user.followers.includes(body.actor)) {
-      await user.update({ followers: [...user.followers, body.actor] })
-      debug('%s followed by %s (%d)', username, body.actor, user.followers.length)
+    if (!user.fed_users.includes(body.actor)) {
+      await user.addFed_users([req.fedi_user.id])
+      // await user.update({ followers: [...user.followers, body.actor] })
+      debug('%s followed by %s (%d)', username, body.actor, user.fed_users.length+1)
     } else {
       debug('duplicate %s followed by %s', username, body.actor)
     }
@@ -39,13 +40,13 @@ module.exports = {
     const user = await User.findOne({ where: { username } })
     if (!user) { return res.status(404).send('User not found') }
 
-    if (body.actor !== body.object.actor) {
+    if (body.actor !== body.object.actor || body.actor !== req.fedi_user.id) {
       debug('Unfollow an user created by a different actor !?!?')
       return res.status(400).send('Bad things')
     }
-    const followers = user.followers.filter(follower => follower !== body.actor)
-    await user.update({ followers })
-    debug('%s unfollowed by %s (%d)', username, body.actor, user.followers.length)
+
+    if (req.fedi_user) await user.removeFed_users(req.fedi_user.id)
+    debug('%s unfollowed by %s', username, body.actor)
     res.sendStatus(200)
   }
 }
diff --git a/server/federation/helpers.js b/server/federation/helpers.js
index c780c6d0..bb0270db 100644
--- a/server/federation/helpers.js
+++ b/server/federation/helpers.js
@@ -4,31 +4,29 @@ const crypto = require('crypto')
 const config = require('config')
 const httpSignature = require('http-signature')
 const debug = require('debug')('federation:helpers')
-const { user: User } = require('../api/models')
+const { user: User, fed_users: FedUsers } = require('../api/models')
 const url = require('url')
-
-const actorCache = []
+const settings = require('../api/controller/settings')
 
 const Helpers = {
   async signAndSend (message, user, to) {
     // get the URI of the actor object and append 'inbox' to it
-    const toInbox = to + '/inbox'
-    const toOrigin = url.parse(to)
-    const toPath = toOrigin.path + '/inbox'
+    const toUrl = url.parse(to)
+    // const toPath = toOrigin.path + '/inbox'
     // get the private key
     const privkey = user.rsa.privateKey
     const signer = crypto.createSign('sha256')
     const d = new Date()
-    const stringToSign = `(request-target): post ${toPath}\nhost: ${toOrigin.hostname}\ndate: ${d.toUTCString()}`
+    const stringToSign = `(request-target): post ${toUrl.path}\nhost: ${toUrl.hostname}\ndate: ${d.toUTCString()}`
 
     signer.update(stringToSign)
     signer.end()
     const signature = signer.sign(privkey)
     const signature_b64 = signature.toString('base64')
     const header = `keyId="${config.baseurl}/federation/u/${user.username}",headers="(request-target) host date",signature="${signature_b64}"`
-    const ret = await fetch(toInbox, {
+    const ret = await fetch(to, {
       headers: {
-        'Host': toOrigin.hostname,
+        'Host': toUrl.hostname,
         'Date': d.toUTCString(),
         'Signature': header,
         'Content-Type': 'application/activity+json; charset=utf-8',
@@ -40,67 +38,97 @@ const Helpers = {
   },
 
   async sendEvent (event, user) {
-    // TODO: has to use sharedInbox!
+    if (!settings.settings.enable_federation) {
+      console.error(settings.settings)
+      console.error(settings.secretSettings)
+      debug('federation disabled')
+      return
+    }
+
+    console.error('dentro sendEvent ', user)
+
     // event is sent by user that published it and by the admin instance
-    const instanceAdmin = await User.findOne({ where: { email: config.admin } })
+    // collect followers from admin and user
+    const instanceAdmin = await User.findOne({ where: { email: config.admin }, include: { model: FedUsers, as: 'followers'  } })
     if (!instanceAdmin || !instanceAdmin.username) {
       debug('Instance admin not found (there is no user with email => %s)', config.admin)
       return
     }
 
-    for (const follower of instanceAdmin.followers) {
-      debug('Notify %s with event %s (from admin user %s)', follower, event.title, instanceAdmin.username)
+    console.error(instanceAdmin.followers)
+    let recipients = {}
+    instanceAdmin.followers.forEach(follower => {
+      const sharedInbox = follower.user_followers.endpoints.sharedInbox
+      if (!recipients[sharedInbox]) recipients[sharedInbox] = []
+      recipients[sharedInbox].push(follower.id)
+    })
+
+    for(const sharedInbox in recipients) {
+      debug('Notify %s with event %s (from admin user %s) cc => %d', sharedInbox, event.title, instanceAdmin.username, recipients[sharedInbox].length)
       const body = {
         id: `${config.baseurl}/federation/m/${event.id}#create`,
         type: 'Create',
         to: ['https://www.w3.org/ns/activitystreams#Public'],
-        cc: [`${config.baseurl}/federation/u/${instanceAdmin.username}/followers`, follower],        
+        cc: [`${config.baseurl}/federation/u/${instanceAdmin.username}/followers`, ...recipients[sharedInbox]],
         actor: `${config.baseurl}/federation/u/${instanceAdmin.username}`,
-        object: event.toAP(instanceAdmin.username, [`${config.baseurl}/federation/u/${instanceAdmin.username}/followers`, follower])
+        object: event.toAP(instanceAdmin.username, [`${config.baseurl}/federation/u/${instanceAdmin.username}/followers`, ...recipients[sharedInbox]])
       }
       body['@context'] = 'https://www.w3.org/ns/activitystreams'
-      Helpers.signAndSend(body, instanceAdmin, follower)
+      Helpers.signAndSend(body, instanceAdmin, sharedInbox)
     }
 
-    // in case the event is published by the Admin itself do not republish
+    // in case the event is published by the Admin itself do not add user
     if (instanceAdmin.id === user.id) {
       debug('Event published by instance Admin')
       return
-    }
-
+    } 
     if (!user.settings.enable_federation || !user.username) {
       debug('Federation disabled for user %d (%s)', user.id, user.username)
       return
     }
 
-    for (const follower of user.followers) {
-      debug('Notify %s with event %s (from user %s)', follower, event.title, user.username)
+
+    recipients = {}
+    user.followers.forEach(follower => {
+      const sharedInbox = follower.object.endpoints.sharedInbox
+      if (!recipients[sharedInbox]) recipients[sharedInbox] = []
+      recipients[sharedInbox].push(follower.id)
+    })
+
+    debug(recipients)
+    for(const sharedInbox in recipients) {
+      debug('Notify %s with event %s (from admin user %s) cc => %d', sharedInbox, event.title, user.username, recipients[sharedInbox].length)
       const body = {
         id: `${config.baseurl}/federation/m/${event.id}#create`,
         type: 'Create',
         to: ['https://www.w3.org/ns/activitystreams#Public'],
-        cc: [`${config.baseurl}/federation/u/${user.username}/followers`, follower],
-        published: event.createdAt,
+        cc: [`${config.baseurl}/federation/u/${user.username}/followers`, ...recipients[sharedInbox]],
         actor: `${config.baseurl}/federation/u/${user.username}`,
-        object: event.toAP(user.username, [`${config.baseurl}/federation/u/${user.username}/followers`, follower])
+        object: event.toAP(user.username, [`${config.baseurl}/federation/u/${user.username}/followers`, ...recipients[sharedInbox]])
       }
       body['@context'] = 'https://www.w3.org/ns/activitystreams'
-      Helpers.signAndSend(body, user, follower)
+      Helpers.signAndSend(body, user, sharedInbox)
     }
+
   },
 
-  async getFederatedUser (address) {
-    address = address.trim()
-    const [ username, host ] = address.split('@')
-    const url = `https://${host}/.well-known/webfinger?resource=acct:${username}@${host}`
-    return Helpers.getActor(url)
-  },
+  // DO NOT USE THIS! (why is this needed btw?)
+  // async getFederatedUser (address) {
+  //   address = address.trim()
+  //   const [ username, host ] = address.split('@')
+  //   const url = `https://${host}/.well-known/webfinger?resource=acct:${username}@${host}`
+  //   return Helpers.getActor(url)
+  // },
 
   // TODO: cache
   async getActor (url, force = false) {
+    let fedi_user
+    
     // try with cache first
-    if (!force && actorCache[url]) { return actorCache[url] }
-    const user = await fetch(url, { headers: { 'Accept': 'application/jrd+json, application/json' } })
+    if (!force) fedi_user = await FedUsers.findByPk(url)
+
+    if (fedi_user) return fedi_user.object
+    fedi_user = await fetch(url, { headers: { 'Accept': 'application/jrd+json, application/json' } })
       .then(res => {
         if (!res.ok) {
           debug('[ERR] Actor %s => %s', url, res.statusText)
@@ -108,32 +136,37 @@ const Helpers = {
         }
         return res.json()
       })
-    actorCache[url] = user
-    return user
+    if (fedi_user) {
+      await FedUsers.create({ap_id: url, object: fedi_user})
+    }
+    return fedi_user
   },
 
   // ref: https://blog.joinmastodon.org/2018/07/how-to-make-friends-and-verify-requests/
   async verifySignature (req, res, next) {
     let user = await Helpers.getActor(req.body.actor)
     if (!user) { return res.status(401).send('Actor not found') }
-
+    
     // little hack -> https://github.com/joyent/node-http-signature/pull/83
     req.headers.authorization = 'Signature ' + req.headers.signature
+    
+    req.fedi_user = user
 
     // another little hack :/
     // https://github.com/joyent/node-http-signature/issues/87
     req.url = '/federation' + req.url
     const parsed = httpSignature.parseRequest(req)
     if (httpSignature.verifySignature(parsed, user.publicKey.publicKeyPem)) { return next() }
-
+    
     // signature not valid, try without cache
     user = await Helpers.getActor(req.body.actor, true)
     if (!user) { return res.status(401).send('Actor not found') }
     if (httpSignature.verifySignature(parsed, user.publicKey.publicKeyPem)) { return next() }
-
+    
     // still not valid
     debug('Invalid signature from user %s', req.body.actor)
     res.send('Request signature could not be verified', 401)
+
   }
 }
 
diff --git a/server/federation/users.js b/server/federation/users.js
index 4e9a1df4..732385a5 100644
--- a/server/federation/users.js
+++ b/server/federation/users.js
@@ -1,4 +1,4 @@
-const { user: User, event: Event, place: Place, tag: Tag } = require('../api/models')
+const { user: User, event: Event, place: Place, tag: Tag, fed_users: FedUsers } = require('../api/models')
 const config = require('config')
 const get = require('lodash/get')
 const debug = require('debug')('fediverse:user')
@@ -45,7 +45,7 @@ module.exports = {
     const page = req.query.page
     debug('Retrieve %s followers', name)
     if (!name) return res.status(400).send('Bad request.')
-    const user = await User.findOne({where: { username: name }})
+    const user = await User.findOne({where: { username: name }, include: { model: FedUsers, as: 'followers' }})
     if (!user) return res.status(404).send(`No record found for ${name}`)
 
     res.type('application/activity+json; charset=utf-8')
diff --git a/server/migrations/20190911204228-recurrent.js b/server/migrations/20190911204228-recurrent.js
new file mode 100644
index 00000000..d119ede8
--- /dev/null
+++ b/server/migrations/20190911204228-recurrent.js
@@ -0,0 +1,27 @@
+'use strict';
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.addColumn('events', 'recurrent', {
+      type: Sequelize.JSON
+    })
+
+    /*
+      Add altering commands here.
+      Return a promise to correctly handle asynchronicity.
+
+      Example:
+      return queryInterface.createTable('users', { id: Sequelize.INTEGER });
+    */
+  },
+
+  down: (queryInterface, Sequelize) => {
+    /*
+      Add reverting commands here.
+      Return a promise to correctly handle asynchronicity.
+
+      Example:
+      return queryInterface.dropTable('users');
+    */
+  }
+};
diff --git a/server/migrations/20190912093154-create-fed-users.js b/server/migrations/20190912093154-create-fed-users.js
new file mode 100644
index 00000000..524cef53
--- /dev/null
+++ b/server/migrations/20190912093154-create-fed-users.js
@@ -0,0 +1,25 @@
+'use strict';
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.createTable('fed_users', {
+      ap_id: {
+        type: Sequelize.STRING,
+        primaryKey: true
+      },
+      object: {
+        type: Sequelize.JSON
+      },
+      createdAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      },
+      updatedAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      }
+    });
+  },
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.dropTable('fed_users');
+  }
+};
\ No newline at end of file
diff --git a/server/migrations/20190912093645-fedi_followers.js b/server/migrations/20190912093645-fedi_followers.js
new file mode 100644
index 00000000..0394b8ed
--- /dev/null
+++ b/server/migrations/20190912093645-fedi_followers.js
@@ -0,0 +1,47 @@
+'use strict';
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return Promise.all([
+      queryInterface.removeColumn('users', 'followers'),
+      queryInterface.createTable('user_followers', {
+        userId: {
+          type: Sequelize.INTEGER,
+          references: {
+            model: 'users',
+            key: 'id'
+          },
+          primaryKey: true,
+          allowNull: false
+        },
+        fedUserApId: {
+          primaryKey: true,
+          type: Sequelize.STRING,
+          references: {
+            model: 'fed_users',
+            key: 'ap_id'
+          }
+        },
+        createdAt: { type: Sequelize.DATE, allowNull: false },
+        updatedAt: { type: Sequelize.DATE, allowNull: false }        
+      })
+  ])},
+
+  down: (queryInterface, Sequelize) => {
+    return Promise.all([
+      queryInterface.addColumn(
+      'users', 'followers', {
+        type: JSON,
+        defaultValue: []
+      }),
+      queryInterface.dropTable('user_followers')
+    ])
+    /*
+      Add reverting commands here.
+      Return a promise to correctly handle asynchronicity.
+
+      Example:
+      return queryInterface.dropTable('users');
+    */
+  }
+};