First version is almost finished

bot.py

 import discord, asyncio
-import os, sys, string
+import os, sys, string, random
 import msgTemplates, utils
-from smtplib import SMTP
 
 def getPath():
 	return os.path.dirname(os.path.realpath(__file__))
 
+cslibServerID = 763446305006682142
+memberRoleID = 763872584408104960
 version = "0.1"
 prefix = "!"
 client = discord.Client()
@@ -21,14 +22,34 @@ async def on_message (message):
 		command[0] = command[0].lower()
 
 		# We are in a private chat
-		if (message.channel.guild == None):
+		if (type(message.channel) is discord.DMChannel):
 			if (command[0] == "register"):
-				email = command[1].trim()
-				if (not validateEmail (email)):
-					await message.channel.send(msgTemplates.invalidEmail.format(email))
-					return
+				if (len(command) == 1):
+					return await message.channel.send(msgTemplates.usageRegister)
+
+				email = command[1].strip()
+				if (not utils.validateMail (email)):
+					return await message.channel.send(msgTemplates.invalidMail.format(email))
+					
+				verificationCode = ''.join(random.choices(string.ascii_lowercase + string.digits, k=16))
+				registrationDb[verificationCode] = message.author.id
+				
+				try:
+					utils.sendMail(email, msgTemplates.validationMailTextBody.format(email, verificationCode))
+				except:
+					return await message.channel.send(msgTemplates.errorMail)
+					
+				await message.channel.send(msgTemplates.validationMailSent.format(email))
 
-				await message.channel.send(msgTemplates.registeringEmail.format(email))
+			if (command[0] == "verify"):
+				if (command[1] in registrationDb):
+					userId = registrationDb[command[1]]
+					guild = await client.fetch_guild(cslibServerID)
+					user = await guild.get_member(userId)
+					await user.edit(roles = [await guild.get_role(memberRoleID)])
+				
+				else:
+					await message.channel.send(msgTemplates.errorVerificationCode.format(command[1]))
 
 @client.event
 async def on_member_join(member):
@@ -54,17 +75,6 @@ if (not os.path.isfile(tokenFile)):
 	print("Please create a 'token' file with the discord bot token in it.")
 	sys.exit(1)
 
-sender = 'cslman@soton.ac.uk'
-receivers = ['sf1u20@soton.ac.uk']
-
-message = """From: CSLib Authmaster <cslman@soton.ac.uk>
-To: CSLib Apprentice <sf1u20@soton.ac.uk>
-Subject: SMTP e-mail test
-
-This is a test e-mail message.
-"""
-
-smtpObj = SMTP('smtp.soton.ac.uk')
-smtpObj.sendmail(sender, receivers, message)  
+utils.setupMail()
 token = open(tokenFile, "r").read().strip()
 client.run(token)
\ No newline at end of file

msgTemplates.py

@@ -2,5 +2,15 @@ verification = """:gear: Welcome to **CSLib** :gear:
 I will first need to verify your account! Send me your `@soton.ac.uk` university e-mail address by using: `!register YOUR-ID@soton.ac.uk`
 I will then send you an e-mail with an authentication code. Send it to back to me as such: `!verify AUTH-CODE` and get verified!"""
 
-invalidEmail = "`{}` is an invalid `@soton.ac.uk` e-mail"
-registeringEmail = "Sending verification e-mail to: `{}`"
+invalidMail = "`{}` is an invalid `@soton.ac.uk` e-mail"
+validationMailSent = "Sent verification e-mail to: `{}`"
\ No newline at end of file
+validationMailTextBody = """From: CSLib Authmaster <cslibdiscordbot@gmail.com>
+To: CSLib Apprentice <{}>
+Subject: CSLib Verification
+
+Your CSLib verification code is: {}"""
+
+errorMail = "There has been an error sending an e-mail. Please contact the CSLib Managers!"
+errorVerificationCode = "Invalid verification code: `{}`"
+
+usageRegister = "Usage: !register YOUR-ID@soton.ac.uk"
\ No newline at end of file

utils.py

 import string
+from smtplib import SMTP
 
-def validateEmail(email):
+def validateMail(email):
 	for c in email:
 		if (c not in string.ascii_letters + string.digits + "._@+"):
 			return False
@@ -9,3 +10,15 @@ def validateEmail(email):
 		return False
 
 	return True
+
+def setupMail():
+	global smtpObj
+
+	smtpObj = SMTP('smtp.gmail.com', 587)
+	smtpObj.ehlo()
+	smtpObj.starttls()
+	smtpObj.login('cslibdiscordbot@gmail.com', '3RZp%5CvcStqGhByoTj5')
+
+def sendMail(receiver, text):
+	receiver = [receiver] # Do we really need this?
+	smtpObj.sendmail('cslibdiscordbot@gmail.com', receiver, text)
\ No newline at end of file