diff --git a/daemon_post_profile.py b/daemon_post_profile.py
index 120c99347..bb6c8bae9 100644
--- a/daemon_post_profile.py
+++ b/daemon_post_profile.py
@@ -80,6 +80,8 @@ from pgp import set_pgp_pub_key
 from pgp import get_pgp_pub_key
 from pgp import get_email_address
 from pgp import set_email_address
+from pgp import get_deltachat_invite
+from pgp import set_deltachat_invite
 from pgp import set_pgp_fingerprint
 from pgp import get_pgp_fingerprint
 from pronouns import get_pronouns
@@ -2221,6 +2223,23 @@ def _profile_post_email_address(actor_json: {}, fields: {},
     return actor_changed
 
 
+def _profile_post_deltachat_invite(actor_json: {}, fields: {},
+                                   actor_changed: bool,
+                                   translate: {}) -> bool:
+    """ HTTP POST change deltachat invite link
+    """
+    current_deltachat_invite = get_deltachat_invite(actor_json, translate)
+    if fields.get('deltachat'):
+        if fields['deltachat'] != current_deltachat_invite:
+            set_deltachat_invite(actor_json, fields['deltachat'], translate)
+            actor_changed = True
+    else:
+        if current_deltachat_invite:
+            set_deltachat_invite(actor_json, '', translate)
+            actor_changed = True
+    return actor_changed
+
+
 def _profile_post_memorial_accounts(base_dir: str, domain: str,
                                     person_cache: {}, fields: {}) -> None:
     """ HTTP POST change memorial accounts
@@ -3052,6 +3071,10 @@ def profile_edit(self, calling_domain: str, cookie: str,
                     _profile_post_email_address(actor_json, fields,
                                                 actor_changed)
 
+                actor_changed = \
+                    _profile_post_deltachat_invite(actor_json, fields,
+                                                   actor_changed, translate)
+
                 actor_changed = \
                     _profile_post_xmpp_address(actor_json, fields,
                                                actor_changed)
diff --git a/daemon_utils.py b/daemon_utils.py
index ebc9fdfb8..7013ba858 100644
--- a/daemon_utils.py
+++ b/daemon_utils.py
@@ -64,6 +64,7 @@ from briar import get_briar_address
 from cwtch import get_cwtch_address
 from pgp import get_pgp_fingerprint
 from pgp import get_email_address
+from pgp import get_deltachat_invite
 from pgp import get_pgp_pub_key
 from enigma import get_enigma_pub_key
 from git import get_repo_url
@@ -650,6 +651,7 @@ def show_person_options(self, calling_domain: str, path: str,
         cwtch_address = None
         ssb_address = None
         email_address = None
+        deltachat_invite = None
         locked_account = False
         also_known_as = None
         moved_to = ''
@@ -685,6 +687,8 @@ def show_person_options(self, calling_domain: str, path: str,
             briar_address = get_briar_address(actor_json)
             cwtch_address = get_cwtch_address(actor_json)
             email_address = get_email_address(actor_json)
+            deltachat_invite = \
+                get_deltachat_invite(actor_json, self.server.translate)
             enigma_pub_key = get_enigma_pub_key(actor_json)
             pgp_pub_key = get_pgp_pub_key(actor_json)
             pgp_fingerprint = get_pgp_fingerprint(actor_json)
@@ -737,7 +741,7 @@ def show_person_options(self, calling_domain: str, path: str,
                                 cwtch_address,
                                 enigma_pub_key,
                                 pgp_pub_key, pgp_fingerprint,
-                                email_address,
+                                email_address, deltachat_invite,
                                 self.server.dormant_months,
                                 back_to_path,
                                 locked_account,
diff --git a/pgp.py b/pgp.py
index fb9bfc3da..aa6907799 100644
--- a/pgp.py
+++ b/pgp.py
@@ -83,6 +83,48 @@ def get_email_address(actor_json: {}) -> str:
     return ''
 
 
+def _get_deltachat_strings() -> []:
+    return ['deltachat', 'delta chat', 'chatmail']
+
+
+def get_deltachat_invite(actor_json: {}, translate: {}) -> str:
+    """Returns the deltachat invite link for the given actor
+    """
+    if not actor_json.get('attachment'):
+        return ''
+    match_strings = _get_deltachat_strings()
+    match_strings.append(translate['DeltaChat'].lower())
+    for property_value in actor_json['attachment']:
+        name_value = None
+        if property_value.get('name'):
+            name_value = property_value['name']
+        elif property_value.get('schema:name'):
+            name_value = property_value['schema:name']
+        if not name_value:
+            continue
+        found = False
+        for possible_str in match_strings:
+            if possible_str in name_value.lower():
+                found = True
+                break
+        if not found:
+            continue
+        if not property_value.get('type'):
+            continue
+        prop_value_name, _ = \
+            get_attachment_property_value(property_value)
+        if not prop_value_name:
+            continue
+        if not property_value['type'].endswith('PropertyValue'):
+            continue
+        value_str = remove_html(property_value[prop_value_name])
+        if 'https://' not in value_str and \
+           'http://' not in value_str:
+            continue
+        return value_str
+    return ''
+
+
 def get_pgp_pub_key(actor_json: {}) -> str:
     """Returns PGP public key for the given actor
     """
@@ -207,6 +249,51 @@ def set_email_address(actor_json: {}, email_address: str) -> None:
     actor_json['attachment'].append(new_email_address)
 
 
+def set_deltachat_invite(actor_json: {}, invite_link: str,
+                         translate: {}) -> None:
+    """Sets the deltachat invite link for the given actor
+    """
+    invite_link = invite_link.strip()
+    not_url = False
+    if '.' not in invite_link:
+        not_url = True
+    if '://' not in invite_link:
+        not_url = True
+    if ' ' in invite_link:
+        not_url = True
+    if '<' in invite_link:
+        not_url = True
+
+    if not actor_json.get('attachment'):
+        actor_json['attachment']: list[dict] = []
+
+    match_strings = _get_deltachat_strings()
+    match_strings.append(translate['DeltaChat'].lower())
+
+    # remove any existing value
+    property_found = None
+    for property_value in actor_json['attachment']:
+        if not property_value.get('name'):
+            continue
+        if not property_value.get('type'):
+            continue
+        if property_value['name'].lower() not in match_strings:
+            continue
+        property_found = property_value
+        break
+    if property_found:
+        actor_json['attachment'].remove(property_found)
+    if not_url:
+        return
+
+    new_entry = {
+        "name": 'DeltaChat',
+        "type": "PropertyValue",
+        "value": invite_link
+    }
+    actor_json['attachment'].append(new_entry)
+
+
 def set_pgp_pub_key(actor_json: {}, pgp_pub_key: str) -> None:
     """Sets a PGP public key for the given actor
     """
@@ -791,6 +878,9 @@ def actor_to_vcard(actor: {}, domain: str, translate: {}) -> str:
     website = get_website(actor, translate)
     if website:
         vcard_str += 'URL:' + website + '\n'
+    deltachat_invite = get_deltachat_invite(actor, translate)
+    if deltachat_invite:
+        vcard_str += 'IMPP:deltachat:' + deltachat_invite + '\n'
     xmpp_address = get_xmpp_address(actor)
     if xmpp_address:
         vcard_str += 'IMPP:xmpp:' + xmpp_address + '\n'
@@ -902,6 +992,11 @@ def actor_to_vcard_xml(actor: {}, domain: str, translate: {}) -> str:
         vcard_str += '    <url>' + \
             '<parameters><type><text>peertube</text></type></parameters>' + \
             '<uri>' + peertube + '</uri></url>\n'
+    deltachat_invite = get_deltachat_invite(actor, translate)
+    if deltachat_invite:
+        vcard_str += '    <impp>' + \
+            '<parameters><type><text>deltachat</text></type></parameters>' + \
+            '<text>' + deltachat_invite + '</text></impp>\n'
     xmpp_address = get_xmpp_address(actor)
     if xmpp_address:
         vcard_str += '    <impp>' + \
diff --git a/translations/ar.json b/translations/ar.json
index e2bb9f6d2..156c975c3 100644
--- a/translations/ar.json
+++ b/translations/ar.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "الدفع مقابل الخدمة أو التسجيل فقط",
     "Russian State Funded Media": "وسائل الإعلام الممولة من الدولة الروسية",
     "Satire": "هجاء",
-    "UK Right Wing Think Tank": "مركز أبحاث يميني متطرف في المملكة المتحدة"
+    "UK Right Wing Think Tank": "مركز أبحاث يميني متطرف في المملكة المتحدة",
+    "DeltaChat": "دعوة إلى DeltaChat"
 }
diff --git a/translations/bn.json b/translations/bn.json
index 82138f2bb..854a95561 100644
--- a/translations/bn.json
+++ b/translations/bn.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "পেওয়ালড বা শুধুমাত্র নিবন্ধন",
     "Russian State Funded Media": "রাশিয়ান রাষ্ট্র অর্থায়ন মিডিয়া",
     "Satire": "ব্যঙ্গ",
-    "UK Right Wing Think Tank": "ইউকে রাইট উইং থিঙ্ক ট্যাঙ্ক"
+    "UK Right Wing Think Tank": "ইউকে রাইট উইং থিঙ্ক ট্যাঙ্ক",
+    "DeltaChat": "ডেল্টাচ্যাট আমন্ত্রণ"
 }
diff --git a/translations/ca.json b/translations/ca.json
index b93564af8..339d41ff9 100644
--- a/translations/ca.json
+++ b/translations/ca.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "Paywall o només registre",
     "Russian State Funded Media": "Mitjans de comunicació finançats per l'estat rus",
     "Satire": "Sàtira",
-    "UK Right Wing Think Tank": "Think Tank de la dreta del Regne Unit"
+    "UK Right Wing Think Tank": "Think Tank de la dreta del Regne Unit",
+    "DeltaChat": "Invitació de DeltaChat"
 }
diff --git a/translations/cy.json b/translations/cy.json
index 2faeb01cd..072b97ccb 100644
--- a/translations/cy.json
+++ b/translations/cy.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "Paywalled neu Gofrestru yn Unig",
     "Russian State Funded Media": "Cyfryngau a Ariennir gan Wladwriaeth Rwseg",
     "Satire": "Dychan",
-    "UK Right Wing Think Tank": "Melin Drafod Adain Dde y DU"
+    "UK Right Wing Think Tank": "Melin Drafod Adain Dde y DU",
+    "DeltaChat": "Gwahoddiad DeltaChat"
 }
diff --git a/translations/de.json b/translations/de.json
index afde9d701..3923b7d30 100644
--- a/translations/de.json
+++ b/translations/de.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "Hinter einer Paywall oder nur mit Registrierung",
     "Russian State Funded Media": "Russische staatlich finanzierte Medien",
     "Satire": "Satire",
-    "UK Right Wing Think Tank": "Britischer Thinktank mit rechter Front"
+    "UK Right Wing Think Tank": "Britischer Thinktank mit rechter Front",
+    "DeltaChat": "DeltaChat-Einladung"
 }
diff --git a/translations/el.json b/translations/el.json
index 822a7f8f9..cb6a35baf 100644
--- a/translations/el.json
+++ b/translations/el.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "Paywalled ή Μόνο εγγραφή",
     "Russian State Funded Media": "Ρωσικά κρατικά χρηματοδοτούμενα ΜΜΕ",
     "Satire": "Σάτυρα",
-    "UK Right Wing Think Tank": "Δεξαμενή Σκέψης Δεξιάς στο Ηνωμένο Βασίλειο"
+    "UK Right Wing Think Tank": "Δεξαμενή Σκέψης Δεξιάς στο Ηνωμένο Βασίλειο",
+    "DeltaChat": "Πρόσκληση DeltaChat"
 }
diff --git a/translations/en.json b/translations/en.json
index 6213a77ed..468e7745c 100644
--- a/translations/en.json
+++ b/translations/en.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "Paywalled or Registration Only",
     "Russian State Funded Media": "Russian State Funded Media",
     "Satire": "Satire",
-    "UK Right Wing Think Tank": "UK Right Wing Think Tank"
+    "UK Right Wing Think Tank": "UK Right Wing Think Tank",
+    "DeltaChat": "DeltaChat invite"
 }
diff --git a/translations/es.json b/translations/es.json
index df647e1c5..0d1954f09 100644
--- a/translations/es.json
+++ b/translations/es.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "Pago por muro o solo registro",
     "Russian State Funded Media": "Medios de comunicación financiados por el Estado ruso",
     "Satire": "Sátira",
-    "UK Right Wing Think Tank": "Centro de estudios de derecha del Reino Unido"
+    "UK Right Wing Think Tank": "Centro de estudios de derecha del Reino Unido",
+    "DeltaChat": "Invitación a DeltaChat"
 }
diff --git a/translations/fa.json b/translations/fa.json
index df7a7d7da..bfb302590 100644
--- a/translations/fa.json
+++ b/translations/fa.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "Paywalled یا فقط ثبت نام",
     "Russian State Funded Media": "رسانه های دولتی روسیه",
     "Satire": "طنز",
-    "UK Right Wing Think Tank": "اتاق فکر جناح راست انگلستان"
+    "UK Right Wing Think Tank": "اتاق فکر جناح راست انگلستان",
+    "DeltaChat": "دعوت از دلتا چت"
 }
diff --git a/translations/fi.json b/translations/fi.json
index 6107d9ebb..0b9648ffc 100644
--- a/translations/fi.json
+++ b/translations/fi.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "Maksumuuri tai vain rekisteröinti",
     "Russian State Funded Media": "Venäjän valtion rahoittama media",
     "Satire": "Satiiri",
-    "UK Right Wing Think Tank": "Ison-Britannian oikeanpuoleinen ajatushautomo"
+    "UK Right Wing Think Tank": "Ison-Britannian oikeanpuoleinen ajatushautomo",
+    "DeltaChat": "DeltaChat-kutsu"
 }
diff --git a/translations/fr.json b/translations/fr.json
index 36b8d2ea1..28b566333 100644
--- a/translations/fr.json
+++ b/translations/fr.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "Paywall ou inscription uniquement",
     "Russian State Funded Media": "Médias financés par l'État russe",
     "Satire": "Satire",
-    "UK Right Wing Think Tank": "Groupe de réflexion de droite britannique"
+    "UK Right Wing Think Tank": "Groupe de réflexion de droite britannique",
+    "DeltaChat": "Invitation DeltaChat"
 }
diff --git a/translations/ga.json b/translations/ga.json
index b903eeda7..b4f53a17b 100644
--- a/translations/ga.json
+++ b/translations/ga.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "Paywalled nó Clárú Amháin",
     "Russian State Funded Media": "Meáin Mhaoinithe Stáit na Rúise",
     "Satire": "Aoir",
-    "UK Right Wing Think Tank": "Umar Smaointeoireachta Sciathán Deis na Ríochta Aontaithe"
+    "UK Right Wing Think Tank": "Umar Smaointeoireachta Sciathán Deis na Ríochta Aontaithe",
+    "DeltaChat": "Cuireadh DeltaChat"
 }
diff --git a/translations/he.json b/translations/he.json
index 11dc9bba0..634fb0be6 100644
--- a/translations/he.json
+++ b/translations/he.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "Paywall או הרשמה בלבד",
     "Russian State Funded Media": "מדיה במימון המדינה הרוסית",
     "Satire": "סָאטִירָה",
-    "UK Right Wing Think Tank": "טנק חשיבה ימני בבריטניה"
+    "UK Right Wing Think Tank": "טנק חשיבה ימני בבריטניה",
+    "DeltaChat": "הזמנת DeltaChat"
 }
diff --git a/translations/hi.json b/translations/hi.json
index b270fd29c..464cfa25e 100644
--- a/translations/hi.json
+++ b/translations/hi.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "पेवॉल्ड या केवल पंजीकरण",
     "Russian State Funded Media": "रूसी राज्य वित्तपोषित मीडिया",
     "Satire": "हास्य व्यंग्य",
-    "UK Right Wing Think Tank": "यू.के. दक्षिणपंथी थिंक टैंक"
+    "UK Right Wing Think Tank": "यू.के. दक्षिणपंथी थिंक टैंक",
+    "DeltaChat": "डेल्टाचैट आमंत्रण"
 }
diff --git a/translations/it.json b/translations/it.json
index d8a8a7d02..0f0ae371e 100644
--- a/translations/it.json
+++ b/translations/it.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "Con paywall o solo registrazione",
     "Russian State Funded Media": "Media finanziati dallo Stato russo",
     "Satire": "Satira",
-    "UK Right Wing Think Tank": "Think Tank di destra nel Regno Unito"
+    "UK Right Wing Think Tank": "Think Tank di destra nel Regno Unito",
+    "DeltaChat": "Invito DeltaChat"
 }
diff --git a/translations/ja.json b/translations/ja.json
index 08ff3d271..397f95cba 100644
--- a/translations/ja.json
+++ b/translations/ja.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "有料または登録のみ",
     "Russian State Funded Media": "ロシアの国営メディア",
     "Satire": "風刺",
-    "UK Right Wing Think Tank": "英国右派シンクタンク"
+    "UK Right Wing Think Tank": "英国右派シンクタンク",
+    "DeltaChat": "DeltaChat 招待"
 }
diff --git a/translations/ko.json b/translations/ko.json
index 613461292..dbe6f1b6c 100644
--- a/translations/ko.json
+++ b/translations/ko.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "유료 또는 등록만 가능",
     "Russian State Funded Media": "러시아 국가가 자금을 지원하는 미디어",
     "Satire": "풍자",
-    "UK Right Wing Think Tank": "영국 우익 싱크탱크"
+    "UK Right Wing Think Tank": "영국 우익 싱크탱크",
+    "DeltaChat": "DeltaChat 초대"
 }
diff --git a/translations/ku.json b/translations/ku.json
index 3f2a7d4fd..cb5f322f3 100644
--- a/translations/ku.json
+++ b/translations/ku.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "Paywalled an Tenê Tomarkirin",
     "Russian State Funded Media": "Medyaya Fînansekirî ya Dewleta Rûsyayê",
     "Satire": "Satire",
-    "UK Right Wing Think Tank": "Tanka Fikirê ya Rastê ya Brîtanyayê"
+    "UK Right Wing Think Tank": "Tanka Fikirê ya Rastê ya Brîtanyayê",
+    "DeltaChat": "vexwendina DeltaChat"
 }
diff --git a/translations/nl.json b/translations/nl.json
index 2be19d2cc..3bc7eb5d2 100644
--- a/translations/nl.json
+++ b/translations/nl.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "Betaalmuur of alleen registratie",
     "Russian State Funded Media": "Russische staatsgefinancierde media",
     "Satire": "Satire",
-    "UK Right Wing Think Tank": "Britse rechtse denktank"
+    "UK Right Wing Think Tank": "Britse rechtse denktank",
+    "DeltaChat": "DeltaChat-uitnodiging"
 }
diff --git a/translations/oc.json b/translations/oc.json
index 19f37483d..e10c2961c 100644
--- a/translations/oc.json
+++ b/translations/oc.json
@@ -715,5 +715,6 @@
     "Paywalled or Registration Only": "Paywalled or Registration Only",
     "Russian State Funded Media": "Russian State Funded Media",
     "Satire": "Satire",
-    "UK Right Wing Think Tank": "UK Right Wing Think Tank"
+    "UK Right Wing Think Tank": "UK Right Wing Think Tank",
+    "DeltaChat": "DeltaChat invite"
 }
diff --git a/translations/pl.json b/translations/pl.json
index 609391ca9..62104fe18 100644
--- a/translations/pl.json
+++ b/translations/pl.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "Tylko płatne lub rejestracja",
     "Russian State Funded Media": "Rosyjskie media finansowane przez państwo",
     "Satire": "Satyra",
-    "UK Right Wing Think Tank": "Brytyjski prawicowy think tank"
+    "UK Right Wing Think Tank": "Brytyjski prawicowy think tank",
+    "DeltaChat": "Zaproszenie do DeltaChat"
 }
diff --git a/translations/pt.json b/translations/pt.json
index 9145273c0..673049b89 100644
--- a/translations/pt.json
+++ b/translations/pt.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "Paywalled ou apenas registo",
     "Russian State Funded Media": "Comunicação social financiada pelo Estado russo",
     "Satire": "Sátira",
-    "UK Right Wing Think Tank": "Think Tank de direita do Reino Unido"
+    "UK Right Wing Think Tank": "Think Tank de direita do Reino Unido",
+    "DeltaChat": "Convite DeltaChat"
 }
diff --git a/translations/ru.json b/translations/ru.json
index 845cdf372..ca5e4f21d 100644
--- a/translations/ru.json
+++ b/translations/ru.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "Платный или только регистрация",
     "Russian State Funded Media": "Российские государственные СМИ",
     "Satire": "Сатира",
-    "UK Right Wing Think Tank": "Британский правый аналитический центр"
+    "UK Right Wing Think Tank": "Британский правый аналитический центр",
+    "DeltaChat": "Приглашение DeltaChat"
 }
diff --git a/translations/sw.json b/translations/sw.json
index cc49c34da..cd58c5861 100644
--- a/translations/sw.json
+++ b/translations/sw.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "Inalipwa au Usajili Pekee",
     "Russian State Funded Media": "Vyombo vya Habari vinavyofadhiliwa na Serikali ya Urusi",
     "Satire": "Satire",
-    "UK Right Wing Think Tank": "Uingereza Right Wing Think Tank"
+    "UK Right Wing Think Tank": "Uingereza Right Wing Think Tank",
+    "DeltaChat": "mwaliko wa DeltaChat"
 }
diff --git a/translations/tr.json b/translations/tr.json
index 9370aa9fa..9faae5031 100644
--- a/translations/tr.json
+++ b/translations/tr.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "Ödeme Duvarı veya Sadece Kayıt",
     "Russian State Funded Media": "Rusya Devleti Tarafından Finanse Edilen Medya",
     "Satire": "Hiciv",
-    "UK Right Wing Think Tank": "İngiltere Sağ Kanat Düşünce Kuruluşu"
+    "UK Right Wing Think Tank": "İngiltere Sağ Kanat Düşünce Kuruluşu",
+    "DeltaChat": "DeltaChat daveti"
 }
diff --git a/translations/uk.json b/translations/uk.json
index c78645485..ddcf4dc27 100644
--- a/translations/uk.json
+++ b/translations/uk.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "Платний або лише реєстрація",
     "Russian State Funded Media": "Російські державні ЗМІ",
     "Satire": "Сатира",
-    "UK Right Wing Think Tank": "Британський правий мозковий центр"
+    "UK Right Wing Think Tank": "Британський правий мозковий центр",
+    "DeltaChat": "Запрошення DeltaChat"
 }
diff --git a/translations/yi.json b/translations/yi.json
index bf167a67a..c618aff13 100644
--- a/translations/yi.json
+++ b/translations/yi.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "Paywalled אָדער רעגיסטראַציע בלויז",
     "Russian State Funded Media": "רוסיש שטאַט פאַנדאַד מידיאַ",
     "Satire": "סאַטירע",
-    "UK Right Wing Think Tank": "וק רעכט פליגל טראַכטן טאַנק"
+    "UK Right Wing Think Tank": "וק רעכט פליגל טראַכטן טאַנק",
+    "DeltaChat": "דעלטאַטשאַט פאַרבעטן"
 }
diff --git a/translations/zh.json b/translations/zh.json
index e01c215ac..c815e5390 100644
--- a/translations/zh.json
+++ b/translations/zh.json
@@ -719,5 +719,6 @@
     "Paywalled or Registration Only": "需付费或注册",
     "Russian State Funded Media": "俄罗斯国家资助的媒体",
     "Satire": "讽刺",
-    "UK Right Wing Think Tank": "英国右翼智库"
+    "UK Right Wing Think Tank": "英国右翼智库",
+    "DeltaChat": "DeltaChat 邀请"
 }
diff --git a/webapp_moderation.py b/webapp_moderation.py
index 94a575fc0..6412da22d 100644
--- a/webapp_moderation.py
+++ b/webapp_moderation.py
@@ -12,7 +12,6 @@ from flags import is_editor
 from flags import is_artist
 from utils import get_person_icon
 from utils import data_dir
-from utils import get_url_from_post
 from utils import remove_html
 from utils import is_account_dir
 from utils import get_full_domain
diff --git a/webapp_person_options.py b/webapp_person_options.py
index 79e5de03f..bbddffeac 100644
--- a/webapp_person_options.py
+++ b/webapp_person_options.py
@@ -159,6 +159,7 @@ def html_person_options(default_timeline: str,
                         pgp_pub_key: str,
                         pgp_fingerprint: str,
                         email_address: str,
+                        deltachat_invite: str,
                         dormant_months: int,
                         back_to_path: str,
                         locked_account: bool,
@@ -404,6 +405,11 @@ def html_person_options(default_timeline: str,
             '  <p class="imText">' + translate['Email'] + \
             ': <a href="mailto:' + \
             email_address + '">' + remove_html(email_address) + '</a></p>\n'
+    if deltachat_invite:
+        options_str += \
+            '  <p class="imText">' + translate['DeltaChat'] + \
+            ': <a href="' + deltachat_invite + '">' + \
+            remove_html(deltachat_invite) + '</a></p>\n'
     if web_address:
         web_str = remove_html(web_address)
         if '://' not in web_str:
diff --git a/webapp_profile.py b/webapp_profile.py
index 5363b544b..225b7deae 100644
--- a/webapp_profile.py
+++ b/webapp_profile.py
@@ -79,6 +79,7 @@ from xmpp import get_xmpp_address
 from matrix import get_matrix_address
 from ssb import get_ssb_address
 from pgp import get_email_address
+from pgp import get_deltachat_invite
 from pgp import get_pgp_fingerprint
 from pgp import get_pgp_pub_key
 from enigma import get_enigma_pub_key
@@ -1151,6 +1152,7 @@ def html_profile(signing_priv_key_pem: str,
     pgp_pub_key = get_pgp_pub_key(profile_json)
     pgp_fingerprint = get_pgp_fingerprint(profile_json)
     email_address = get_email_address(profile_json)
+    deltachat_invite = get_deltachat_invite(profile_json, translate)
     pronouns = get_pronouns(profile_json)
     pixelfed = get_pixelfed(profile_json)
     discord = get_discord(profile_json)
@@ -1170,7 +1172,8 @@ def html_profile(signing_priv_key_pem: str,
        art_site_url or music_site_url or youtube or peertube or pixelfed or \
        xmpp_address or matrix_address or \
        ssb_address or tox_address or briar_address or cwtch_address or \
-       pgp_pub_key or enigma_pub_key or pgp_fingerprint or email_address:
+       pgp_pub_key or enigma_pub_key or pgp_fingerprint or email_address or \
+       deltachat_invite:
         donate_section = '<div class="container">\n'
         donate_section += '  <center>\n'
         if donate_url and not is_system_account(nickname):
@@ -1213,6 +1216,11 @@ def html_profile(signing_priv_key_pem: str,
                 '<p>' + translate['Email'] + ': <a href="mailto:' + \
                 email_address + '" tabindex="1">' + \
                 email_address + '</a></p>\n'
+        if deltachat_invite:
+            donate_section += \
+                '<p>' + translate['DeltaChat'] + ': <a href="' + \
+                deltachat_invite + '" tabindex="1">' + \
+                deltachat_invite + '</a></p>\n'
         if blog_address:
             if site_is_verified(session, base_dir, http_prefix,
                                 nickname, domain,
@@ -2863,6 +2871,7 @@ def _html_edit_profile_background(news_instance: bool, translate: {}) -> str:
 
 
 def _html_edit_profile_contact_info(email_address: str,
+                                    deltachat_invite: str,
                                     xmpp_address: str,
                                     matrix_address: str,
                                     ssb_address: str,
@@ -2881,6 +2890,8 @@ def _html_edit_profile_contact_info(email_address: str,
     edit_profile_form = begin_edit_section(translate['Contact Details'])
     edit_profile_form += edit_text_field(translate['Email'],
                                          'email', email_address)
+    edit_profile_form += edit_text_field(translate['DeltaChat'],
+                                         'deltachat', deltachat_invite)
     edit_profile_form += edit_text_field(translate['XMPP'],
                                          'xmppAddress', xmpp_address)
     edit_profile_form += edit_text_field(translate['Matrix'],
@@ -3362,7 +3373,8 @@ def html_edit_profile(server, translate: {},
     hide_like_button = hide_reaction_button = media_instance_str = ''
     blogs_instance_str = news_instance_str = moved_to = twitter_str = ''
     bio_str = donate_url = website_url = gemini_link = ''
-    email_address = featured_hashtags = pgp_pub_key = enigma_pub_key = ''
+    email_address = deltachat_invite = featured_hashtags = ''
+    pgp_pub_key = enigma_pub_key = ''
     pgp_fingerprint = pronouns = peertube = youtube = pixelfed = ''
     ssb_address = blog_address = matrix_address = tox_address = ''
     cwtch_address = briar_address = xmpp_address = ''
@@ -3392,6 +3404,7 @@ def html_edit_profile(server, translate: {},
         briar_address = get_briar_address(actor_json)
         cwtch_address = get_cwtch_address(actor_json)
         email_address = get_email_address(actor_json)
+        deltachat_invite = get_deltachat_invite(actor_json, translate)
         enigma_pub_key = get_enigma_pub_key(actor_json)
         pgp_pub_key = get_pgp_pub_key(actor_json)
         pgp_fingerprint = get_pgp_fingerprint(actor_json)
@@ -3606,6 +3619,7 @@ def html_edit_profile(server, translate: {},
     # Contact information
     edit_profile_form += \
         _html_edit_profile_contact_info(email_address,
+                                        deltachat_invite,
                                         xmpp_address, matrix_address,
                                         ssb_address, tox_address,
                                         briar_address,