diff --git a/structure/Registry.js b/structure/Registry.js
index 44755de..438eddf 100644
--- a/structure/Registry.js
+++ b/structure/Registry.js
@@ -14,7 +14,7 @@ class Registry {
 
     find(name) {
 
-        return this.commands.find((c) => c.name === name || c.aliases?.includes(name));
+        return this.commands.find((c) => c.name === name.toLowerCase() || c.aliases?.includes(name.toLowerCase()));
 
     }
 
diff --git a/structure/Resolver.js b/structure/Resolver.js
index 5cca711..c9a2b2b 100644
--- a/structure/Resolver.js
+++ b/structure/Resolver.js
@@ -72,6 +72,70 @@ class Resolver {
 
     }
 
+    /**
+     * Resolve multiple channels
+     *
+     * @param {Array<String>} [resolveables=[]] an array of channel resolveables (name, id)
+     * @param {Guild} guild the guild in which to look for channels
+     * @param {Boolean} [strict=false] whether or not partial names are resolved
+     * @param {Function} [filter=()] filter the resolving channels
+     * @returns {Promise<Array<GuildChannel>> || Promise<Boolean>} an array of guild channels or false if none were resolved
+     * @memberof Resolver
+     */
+    async resolveChannels(resolveables = [], strict = false, guild = null, filter = () => true) {
+
+        if (typeof resolveables === 'string') resolveables = [resolveables];
+        if (resolveables.length === 0) return false;
+        if (!guild) return false;
+        const CM = guild.channels;
+        const resolved = [];
+
+        for (const resolveable of resolveables) {
+            const channel = CM.resolve(resolveable);
+            if (channel && filter(channel)) {
+                resolved.push(channel);
+                continue;
+            }
+
+            const name = /^#?([a-z0-9\-_0]+)/iu;
+            const id = /^<?#?([0-9]{17,22})>?/iu;
+
+            if (id.test(resolveable)) {
+                const match = resolveable.match(id);
+                const [, ch] = match;
+
+                const channel = await this.client.channels.fetch(ch).catch((e) => { }); //eslint-disable-line no-empty, no-empty-function, no-unused-vars
+
+                if (channel && filter(channel)) resolved.push(channel);
+
+            } else if (name.test(resolveable)) {
+                const match = resolveable.match(name);
+                const ch = match[1].toLowerCase();
+
+                const channel = CM.cache.sort((a, b) => a.name.length - b.name.length).filter(filter).filter((c) => {
+                    if (!strict) return c.name.toLowerCase().includes(ch);
+                    return c.name.toLowerCase() === ch;
+                }).first();
+
+                if (channel) resolved.push(channel);
+
+            }
+
+        }
+
+        return resolved.length > 0 ? resolved : false;
+
+    }
+
+    async resolveChannel(resolveable, strict, guild, filter) {
+
+        if (!resolveable) return false;
+        if (resolveable instanceof Array) throw new Error('Resolveable cannot be of type Array, use resolveChannels for resolving arrays of channels');
+        const result = await this.resolveChannels([resolveable], strict, guild, filter);
+        return result ? result[0] : false;
+
+    }
+
 }
 
 module.exports = Resolver;
\ No newline at end of file
diff --git a/structure/commands/Eval.js b/structure/commands/Eval.js
index 634ee2f..ba29b46 100644
--- a/structure/commands/Eval.js
+++ b/structure/commands/Eval.js
@@ -14,6 +14,7 @@ class Eval extends Command {
 
     async execute(message, { clean }) {
 
+        if (!this.client._options.evalAccess.includes(message.author.id)) return;
         const { guild, author, member, client, channel } = message; //eslint-disable-line no-unused-vars
         
         try {
diff --git a/structure/commands/Markread.js b/structure/commands/Markread.js
index fce7c19..1e85615 100644
--- a/structure/commands/Markread.js
+++ b/structure/commands/Markread.js
@@ -8,9 +8,9 @@ class Markread extends Command {
         });
     }
 
-    async execute(message) {
+    async execute(message, { args }) {
 
-        return this.client.modmail.markread(message);
+        return this.client.modmail.markread(message, args);
 
     }
 
diff --git a/structure/commands/Modmail.js b/structure/commands/Modmail.js
index 05deef4..82d700a 100644
--- a/structure/commands/Modmail.js
+++ b/structure/commands/Modmail.js
@@ -25,7 +25,7 @@ class Modmail extends Command {
             first = second;
         }
 
-        const user = await this.client.resolveUser(first);
+        const user = await this.client.resolveUser(first, true);
         if (!user) return {
             error: true,
             msg: 'Failed to resolve user'