diff --git a/webapp_create_post.py b/webapp_create_post.py
index 6ba4098bf..733792a8b 100644
--- a/webapp_create_post.py
+++ b/webapp_create_post.py
@@ -24,6 +24,7 @@ from utils import get_currencies
 from utils import get_category_types
 from utils import get_account_timezone
 from utils import get_supported_languages
+from utils import text_in_file
 from webapp_utils import edit_check_box
 from webapp_utils import get_buy_links
 from webapp_utils import html_following_data_list
@@ -373,6 +374,33 @@ def html_new_post(edit_post_params: {},
                         '" rel="nofollow noopener noreferrer" ' + \
                         'target="_blank">' + \
                         translate['this post'] + '</a></p>\n'
+
+                    # is sending posts to this account blocked?
+                    send_block_filename = \
+                        acct_dir(base_dir, nickname, domain) + \
+                        '/send_blocks.txt'
+                    if os.path.isfile(send_block_filename):
+                        reply_actor = in_reply_to
+                        reply_nickname = get_nickname_from_actor(in_reply_to)
+                        if reply_nickname:
+                            reply_actor = \
+                                in_reply_to.split('/' + reply_nickname)[0] + \
+                                '/' + reply_nickname
+                        if text_in_file(reply_actor,
+                                        send_block_filename, False):
+                            new_post_text += \
+                                '  <p class="new-post-text"><b>' + \
+                                translate['FollowAccountWarning'] + \
+                                '</b></p>\n'
+                        else:
+                            reply_domain, _ = \
+                                get_domain_from_actor(reply_actor)
+                            if text_in_file('://' + reply_domain + '\n',
+                                            send_block_filename, False):
+                                new_post_text += \
+                                    '  <p class="new-post-text"><b>' + \
+                                    translate['FollowWarning'] + '</b></p>\n'
+
                     if post_json_object:
                         timezone = \
                             get_account_timezone(base_dir, nickname, domain)