diff --git a/subscribe.c b/subscribe.c
index 21957a0..598fa71 100644
--- a/subscribe.c
+++ b/subscribe.c
@@ -174,6 +174,43 @@ AddAddress(struct Mail * MailStruct,
 		}
 	    return 0;
 	    }
+
+	else if (ListConfig->subtype == SUBSCRIPTION_ACKED && !g_is_approved)
+	    {
+	    /* Require confirmation. */
+
+	    char* command = text_easy_sprintf("unsubscribe %s %s", address, listname);
+	    char* cookie  = queue_command(MailStruct, command);
+
+	    /* Notify the owner. */
+
+	    fh = vOpenMailer(envelope, address, NULL);
+	    if (fh != NULL)
+		{
+		fprintf(fh, "From: petidomo-approve@%s (Petidomo Mailing List Server)\n", ListConfig->fqdn);
+		fprintf(fh, "To: %s\n", address);
+		fprintf(fh, "Subject: Petidomo: CONFIRM %s@%s: Request from \"%s\"\n", listname, ListConfig->fqdn, originator);
+		fprintf(fh, "Precedence: junk\n");
+		fprintf(fh, "Sender: %s\n", envelope);
+		fprintf(fh, "\n");
+		buffer = text_easy_sprintf("Per request from \"%s\", the address \"%s\" should be subscribed to " \
+					   "the mailing list \"%s\". This will not happen unless you confirm the " \
+					   "request by replying to this mail and citing the string",
+					   originator, address, listname);
+		text_wordwrap(buffer, 70);
+		fprintf(fh, "%s\n", buffer);
+		fprintf(fh, "\n    %s\n\n", cookie);
+		fprintf(fh, "in your reply.\n");
+		CloseMailer(fh);
+		}
+	    else
+		{
+		syslog(LOG_ERR, "Failed to send email to \"%s\"!", owner);
+		return -1;
+		}
+
+	    return 0;
+	    }
 	}
 
     /* Check whether the address is subscribed already. */
diff --git a/unsubscribe.c b/unsubscribe.c
index 483c8ae..6ce792b 100644
--- a/unsubscribe.c
+++ b/unsubscribe.c
@@ -176,6 +176,44 @@ DeleteAddress(struct Mail * MailStruct,
 		}
 	    return 0;
 	    }
+
+	else if (ListConfig->subtype == SUBSCRIPTION_ACKED && !g_is_approved)
+	    {
+	    /* Require confirmation. */
+
+	    char* command = text_easy_sprintf("unsubscribe %s %s", address, listname);
+	    char* cookie  = queue_command(MailStruct, command);
+
+	    /* Notify the owner. */
+
+	    fh = vOpenMailer(envelope, address, NULL);
+	    if (fh != NULL)
+		{
+		fprintf(fh, "From: petidomo-approve@%s (Petidomo Mailing List Server)\n", ListConfig->fqdn);
+		fprintf(fh, "To: %s\n", address);
+		fprintf(fh, "Subject: Petidomo: CONFIRM %s@%s: Request from \"%s\"\n", listname, ListConfig->fqdn, originator);
+		fprintf(fh, "Precedence: junk\n");
+		fprintf(fh, "Sender: %s\n", envelope);
+		fprintf(fh, "\n");
+		buffer = text_easy_sprintf("Per request from \"%s\", the address \"%s\" should be unsubscribed from " \
+					   "the mailing list \"%s\". This will not happen unless you confirm the " \
+					   "request by replying to this mail and citing the string",
+					   originator, address, listname);
+		text_wordwrap(buffer, 70);
+		fprintf(fh, "%s\n", buffer);
+		fprintf(fh, "\n    %s\n\n", cookie);
+		fprintf(fh, "in your reply.\n");
+		CloseMailer(fh);
+		}
+	    else
+		{
+		syslog(LOG_ERR, "Failed to send email to \"%s\"!", owner);
+		return -1;
+		}
+
+	    return 0;
+	    }
+
 	}
 
     /* Okay, remove the address from the list. */