diff --git a/build.js b/build.js
index baef993b..e9849d15 100644
--- a/build.js
+++ b/build.js
@@ -143,4 +143,8 @@ module.exports = {
 		return render('register.html', 'register.pug');
 	},
 
+	buildCaptcha: () => {
+		return render('captcha.html', 'captcha.pug');
+	},
+
 }
diff --git a/controllers/forms.js b/controllers/forms.js
index 4a663c01..492a9bf3 100644
--- a/controllers/forms.js
+++ b/controllers/forms.js
@@ -39,6 +39,7 @@ const express  = require('express')
 	, deleteBanners = require(__dirname+'/../models/forms/deletebanners.js')
 	, loginAccount = require(__dirname+'/../models/forms/login.js')
 	, changePassword = require(__dirname+'/../models/forms/changepassword.js')
+	, changeBoardSettings = require(__dirname+'/../models/forms/changeboardsettings.js')
 	, registerAccount = require(__dirname+'/../models/forms/register.js')
 	, checkPermsMiddleware = require(__dirname+'/../helpers/haspermsmiddleware.js')
 	, checkPerms = require(__dirname+'/../helpers/hasperms.js')
@@ -196,15 +197,15 @@ router.post('/board/:board/post', Boards.exists, banCheck, postFiles, paramConve
 	if (!req.body.message && numFiles === 0) {
 		errors.push('Must provide a message or file');
 	}
-	if (!req.body.thread && (res.locals.board.settings.forceOPFile && res.locals.board.settings.maxFiles === 0)) {
+	if (!req.body.thread && (res.locals.board.settings.forceOPFile && res.locals.board.settings.maxFiles !== 0) && numFiles === 0) {
 		errors.push('Threads must include a file');
 	}
 	if (!req.body.thread && res.locals.board.settings.forceOPMessage && (!req.body.message || req.body.message.length === 0)) {
 		errors.push('Threads must include a message');
 	}
 	if (req.body.message) {
-		if (req.body.message.length > 2000) {
-			errors.push('Message must be 2000 characters or less');
+		if (req.body.message.length > 4000) {
+			errors.push('Message must be 4000 characters or less');
 		} else if (req.body.message.length < res.locals.board.settings.minMessageLength) {
 			errors.push(`Message must be at least ${res.locals.board.settings.minMessageLength} characters long`);
 		}
@@ -260,6 +261,9 @@ router.post('/board/:board/settings', csrf, Boards.exists, checkPermsMiddleware,
 	if (typeof req.body.max_files === 'number' && (req.body.max_files < 1 || req.body.max_files > 3)) {
 		errors.push('Max files must be 1-3');
 	}
+	if (typeof req.body.min_message_length === 'number' && (req.body.min_message_length < 0 || req.body.min_message_length > 4000)) {
+		errors.push('Min message length must be 0-4000. 0 is disabled.');
+	}
 
 	if (errors.length > 0) {
 		return res.status(400).render('message', {
@@ -270,10 +274,7 @@ router.post('/board/:board/settings', csrf, Boards.exists, checkPermsMiddleware,
 	}
 
 	try {
-		return res.status(501).render('message', {
-			'title': 'Not implemented',
-			'redirect': `/${req.params.board}/manage.html`
-		})
+		await changeBoardSettings(req, res, next);
 	} catch (err) {
 		return next(err);
 	}
@@ -538,5 +539,12 @@ router.post('/global/unban', csrf, checkPermsMiddleware, paramConverter, async(r
 
 });
 
+router.post('/newcaptcha', async(req, res, next) => {
+
+	res.clearCookie('captchaid');
+	return res.redirect('/captcha.html');
+
+});
+
 module.exports = router;
 
diff --git a/controllers/pages.js b/controllers/pages.js
index 4b3e0c66..0479e953 100644
--- a/controllers/pages.js
+++ b/controllers/pages.js
@@ -18,6 +18,7 @@ const express  = require('express')
 	, board = require(__dirname+'/../models/pages/board.js')
 	, catalog = require(__dirname+'/../models/pages/catalog.js')
 	, banners = require(__dirname+'/../models/pages/banners.js')
+	, captchaPage = require(__dirname+'/../models/pages/captchapage.js')
 	, captcha = require(__dirname+'/../models/pages/captcha.js')
 	, thread = require(__dirname+'/../models/pages/thread.js');
 
@@ -30,6 +31,9 @@ router.get('/login.html', login);
 //registration page
 router.get('/register.html', register);
 
+//captcha page
+router.get('/captcha.html', captchaPage);
+
 //change password page
 router.get('/changepassword.html', changePassword);
 
@@ -42,7 +46,7 @@ router.get('/logout', isLoggedIn, (req, res, next) => {
 
 });
 
-// get captcha
+// get captcha image and cookie
 router.get('/captcha', captcha);
 
 // random board banner
diff --git a/gulp/res/css/style.css b/gulp/res/css/style.css
index 39d6258f..85c43021 100644
--- a/gulp/res/css/style.css
+++ b/gulp/res/css/style.css
@@ -23,6 +23,7 @@ pre {
 	font-family: inherit;
 	margin: 1em 2em;
 	white-space: pre-wrap;
+	word-break: break-word;
 }
 
 .replies {
diff --git a/models/pages/captchapage.js b/models/pages/captchapage.js
new file mode 100644
index 00000000..9e3e1052
--- /dev/null
+++ b/models/pages/captchapage.js
@@ -0,0 +1,16 @@
+'use strict';
+
+const { buildCaptcha } = require(__dirname+'/../../build.js')
+	, uploadDirectory = require(__dirname+'/../../helpers/uploadDirectory.js');
+
+module.exports = async (req, res, next) => {
+
+	try {
+		await buildCaptcha();
+	} catch (err) {
+		return next(err);
+	}
+
+	return res.sendFile(`${uploadDirectory}html/captcha.html`);
+
+}
diff --git a/views/includes/actionfooter.pug b/views/includes/actionfooter.pug
index 54c3997c..fb1449e5 100644
--- a/views/includes/actionfooter.pug
+++ b/views/includes/actionfooter.pug
@@ -54,6 +54,6 @@ details.toggle-label
 			input#report(type='text', name='ban_reason', placeholder='ban reason' autocomplete='off')
 	.actions
 		h4.no-m-p Captcha:
-		img.captcha(src='/captcha' width=200 height=80)
+		iframe.captcha(src='/captcha.html' width=200 height=110 scrolling='no')
 		input#captcha(type='text', name='captcha', autocomplete='off' placeholder='captcha text' maxlength='6')
 	input(type='submit', value='submit')
diff --git a/views/includes/postform.pug b/views/includes/postform.pug
index 496f2f28..08a2f75f 100644
--- a/views/includes/postform.pug
+++ b/views/includes/postform.pug
@@ -5,7 +5,7 @@ section.form-wrapper.flex-center
 		unless board.settings.forceAnon
 			section.postform-row
 				.postform-label Name
-				input#name(type='text', name='name', placeholder=board.defaultName autocomplete='off' maxlength='50')
+				input#name(type='text', name='name', placeholder=board.settings.defaultName autocomplete='off' maxlength='50')
 				a.close.postform-style.ml-1(href='#!') X
 			section.postform-row
 				.postform-label Subject
@@ -26,7 +26,7 @@ section.form-wrapper.flex-center
 					input#title(type='text', name='subject', autocomplete='off' maxlength='50')
 		section.postform-row
 			.postform-label Message
-			textarea#message(name='message', rows='5', autocomplete='off' maxlength='2000')
+			textarea#message(name='message', rows='5', autocomplete='off' maxlength='4000')
 		if board.settings.maxFiles !== 0
 			section.postform-row
 				.postform-label Files
@@ -41,6 +41,6 @@ section.form-wrapper.flex-center
 			section.postform-row
 				.postform-label Captcha
 				.postform-col
-					img.captcha(src='/captcha' width=200 height=80)
+					iframe.captcha(src='/captcha.html' width=200 height=110 scrolling='no')
 					input#captcha(type='text', name='captcha', autocomplete='off' placeholder='captcha text' maxlength='6')
 		input(type='submit', value=`New ${threads ? 'Thread' : 'Reply'}`)
diff --git a/views/pages/captcha.pug b/views/pages/captcha.pug
new file mode 100644
index 00000000..35a2d954
--- /dev/null
+++ b/views/pages/captcha.pug
@@ -0,0 +1,8 @@
+doctype html
+html
+	head
+		link(rel='stylesheet', href='/css/style.css')
+	body(style='margin:0;padding:0;background:white;')
+		img(src='/captcha', style='width:200px;height:80px;')
+		form(action='/forms/newcaptcha', method='POST')
+			input(style='width: 100%;border-width: 1px 0 0 0;', type='submit', value='New Captcha')
diff --git a/views/pages/changepassword.pug b/views/pages/changepassword.pug
index 1a217ec4..daba045a 100644
--- a/views/pages/changepassword.pug
+++ b/views/pages/changepassword.pug
@@ -22,6 +22,6 @@ block content
 			section.postform-row
 				.postform-label Captcha
 				span.postform-col
-					img.captcha(src='/captcha' width=200 height=80)
+					iframe.captcha(src='/captcha.html' width=200 height=110 scrolling='no')
 					input#captcha(type='text', name='captcha', autocomplete='off' placeholder='captcha text' maxlength='6')
 			input(type='submit', value='Change Password')
diff --git a/views/pages/register.pug b/views/pages/register.pug
index e57f0c99..96f3c86e 100644
--- a/views/pages/register.pug
+++ b/views/pages/register.pug
@@ -19,7 +19,7 @@ block content
 			section.postform-row
 				.postform-label Captcha
 				span.postform-col
-					img.captcha(src='/captcha' width=200 height=80)
+					iframe.captcha(src='/captcha.html' width=200 height=110 scrolling='no')
 					input#captcha(type='text', name='captcha', autocomplete='off' placeholder='captcha text' maxlength='6')
 			input(type='submit', value='Register')
 		p Already have an account? #[a(href='/login.html') Login]