diff --git a/lib/data/models/settings_model.dart b/lib/data/models/settings_model.dart
index bd291a151..9f89278fe 100644
--- a/lib/data/models/settings_model.dart
+++ b/lib/data/models/settings_model.dart
@@ -127,6 +127,7 @@ abstract class SettingsEntity
   static const EMAIL_SENDING_METHOD_MICROSOFT = 'office365';
   static const EMAIL_SENDING_METHOD_POSTMARK = 'client_postmark';
   static const EMAIL_SENDING_METHOD_MAILGUN = 'client_mailgun';
+  static const EMAIL_SENDING_METHOD_SMTP = 'smtp';
 
   static const LOCK_INVOICES_OFF = 'off';
   static const LOCK_INVOICES_SENT = 'when_sent';
diff --git a/lib/ui/settings/email_settings.dart b/lib/ui/settings/email_settings.dart
index feefc4098..65ee8d962 100644
--- a/lib/ui/settings/email_settings.dart
+++ b/lib/ui/settings/email_settings.dart
@@ -53,6 +53,10 @@ class _EmailSettingsState extends State<EmailSettings> {
   final _mailgunDomainController = TextEditingController();
   final _customSendingEmailController = TextEditingController();
   final _eInvoiceCertificatePassphraseController = TextEditingController();
+  final _smtpHostController = TextEditingController();
+  final _smtpUsernameController = TextEditingController();
+  final _smtpPasswordController = TextEditingController();
+  final _smtpLocalDomainController = TextEditingController();
 
   List<TextEditingController> _controllers = [];
 
@@ -87,6 +91,10 @@ class _EmailSettingsState extends State<EmailSettings> {
       _mailgunDomainController,
       _customSendingEmailController,
       _eInvoiceCertificatePassphraseController,
+      _smtpHostController,
+      _smtpUsernameController,
+      _smtpPasswordController,
+      _smtpLocalDomainController,
     ];
 
     _controllers
@@ -108,6 +116,10 @@ class _EmailSettingsState extends State<EmailSettings> {
     _mailgunDomainController.text = settings.mailgunDomain ?? '';
     _eInvoiceCertificatePassphraseController.text =
         company.eInvoiceCertificatePassphrase;
+    _smtpHostController.text = company.smtpHost;
+    _smtpUsernameController.text = company.smtpUsername;
+    _smtpPasswordController.text = company.smtpPassword;
+    _smtpLocalDomainController.text = company.smtpLocalDomain;
 
     _controllers
         .forEach((dynamic controller) => controller.addListener(_onChanged));
@@ -157,7 +169,11 @@ class _EmailSettingsState extends State<EmailSettings> {
       ..eInvoiceCertificatePassphrase =
           isFiltered && eInvoiceCertificatePassphrase.isEmpty
               ? null
-              : eInvoiceCertificatePassphrase);
+              : eInvoiceCertificatePassphrase
+      ..smtpHost = _smtpHostController.text.trim()
+      ..smtpUsername = _smtpUsernameController.text.trim()
+      ..smtpPassword = _smtpPasswordController.text.trim()
+      ..smtpLocalDomain = _smtpLocalDomainController.text.trim());
     if (company != viewModel.company) {
       viewModel.onCompanyChanged(company);
     }
@@ -222,6 +238,9 @@ class _EmailSettingsState extends State<EmailSettings> {
                         child: Text('Microsoft'),
                         value: SettingsEntity.EMAIL_SENDING_METHOD_MICROSOFT),
                   ],
+                  DropdownMenuItem(
+                      child: Text('SMTP'),
+                      value: SettingsEntity.EMAIL_SENDING_METHOD_SMTP),
                   DropdownMenuItem(
                       child: Text('Postmark'),
                       value: SettingsEntity.EMAIL_SENDING_METHOD_POSTMARK),
@@ -349,6 +368,42 @@ class _EmailSettingsState extends State<EmailSettings> {
                               value: endpoint,
                             ))
                         .toList())
+              ] else if (settings.emailSendingMethod ==
+                  SettingsEntity.EMAIL_SENDING_METHOD_SMTP) ...[
+                DecoratedFormField(
+                  label: localization.host,
+                  controller: _smtpHostController,
+                  keyboardType: TextInputType.url,
+                  onSavePressed: _onSavePressed,
+                  validator: (value) => value.trim().isEmpty
+                      ? localization.pleaseEnterAValue
+                      : null,
+                ),
+                DecoratedFormField(
+                  label: localization.username,
+                  controller: _smtpUsernameController,
+                  keyboardType: TextInputType.text,
+                  onSavePressed: _onSavePressed,
+                  validator: (value) => value.trim().isEmpty
+                      ? localization.pleaseEnterAValue
+                      : null,
+                ),
+                DecoratedFormField(
+                  label: localization.password,
+                  obscureText: true,
+                  controller: _smtpPasswordController,
+                  keyboardType: TextInputType.text,
+                  onSavePressed: _onSavePressed,
+                  validator: (value) => value.trim().isEmpty
+                      ? localization.pleaseEnterAValue
+                      : null,
+                ),
+                DecoratedFormField(
+                  label: localization.localDomain,
+                  controller: _smtpLocalDomainController,
+                  keyboardType: TextInputType.url,
+                  onSavePressed: _onSavePressed,
+                ),
               ],
             ],
           ),
diff --git a/lib/utils/i18n.dart b/lib/utils/i18n.dart
index abb11d0ae..4a4b757b1 100644
--- a/lib/utils/i18n.dart
+++ b/lib/utils/i18n.dart
@@ -18,6 +18,12 @@ mixin LocalizationsProvider on LocaleCodeAware {
   static final Map<String, Map<String, String>> _localizedValues = {
     'en': {
       // STARTER: lang key - do not remove comment
+      'host': 'Host',
+      'port': 'Port',
+      'encryption': 'Encryption',
+      'local_domain': 'Local Domain',
+      'verify_peer': 'Verify Peer',
+      'username': 'Username',
       'nordigen_help':
           'Note: connecting an account requires a GoCardless/Nordigen API key',
       'participant_name': 'Participant Name',
@@ -114232,6 +114238,30 @@ mixin LocalizationsProvider on LocaleCodeAware {
       _localizedValues[localeCode]!['nordigen_help'] ??
       _localizedValues['en']!['nordigen_help']!;
 
+  String get host =>
+      _localizedValues[localeCode]!['host'] ??
+      _localizedValues['en']!['host']!;
+
+  String get port =>
+      _localizedValues[localeCode]!['port'] ??
+      _localizedValues['en']!['port']!;
+
+  String get encryption =>
+      _localizedValues[localeCode]!['encryption'] ??
+      _localizedValues['en']!['encryption']!;
+
+  String get localDomain =>
+      _localizedValues[localeCode]!['local_domain'] ??
+      _localizedValues['en']!['local_domain']!;
+
+  String get verifyPeer =>
+      _localizedValues[localeCode]!['verify_peer'] ??
+      _localizedValues['en']!['verify_peer']!;
+
+  String get username =>
+      _localizedValues[localeCode]!['username'] ??
+      _localizedValues['en']!['username']!;
+
   // STARTER: lang field - do not remove comment
 
   String lookup(String? key) {