Registration: Email hash and verifying only one account per email
I’m using a registration function that hashes the email in PBKDF2 with a random and unique Salt each time. The hashes email and his salt are saved in the DB. No problem with that.
The problem is that now I want to make sure that users only create one single account per email. Obviously to verify that I need to check my DB and that’s where the problem starts. I either lose in security or in time.
Emailing Service: To or Bcc?
I’m busy coding a reusable e-mail service for my company. The e-mail service will be doing quite a few things via injection through the strategy pattern (such as handling e-mail send rate throttling, switching between Smtp and AmazonSES or Google AppEngine for e-mail clients when daily quotas are exceeded, send statistics tracking (mostly because it is neccessary in order to stay within quotas) to name a few).
How do PGP and PEM differ?
Email messages are sent in plain text which means that the messages I send to Derpina are visible to anyone who somehow gets access to them while they are in transit.
How does eMail encryption work?
I have been going over YouTube watching videos on eMail encryption and everyone seems to explain it from a different perspective. Some do it for a CompTIA exam while others just provide a primer.
Here is what I understood:
Sending an email with attachment from server side
I have to create a word document in a specific format and send it as attachment to some email addresses.
Responding to end users about bugs they found
I have an issue tracking system, but sometimes users report bugs directly to me in an email.
Large enterprise application – clients wish to use duplicate e-mails addresses?
I’d like to know people’s opinions, reactions to clients and technical work arounds (if applicable), to the issue of an enterprise application where a client wishes to use duplicate e-mail addresses?
How to go about designing an intermediate routing filter program to accept input and forward accordingly?
My predicament:
GMail API for a small app (Rails? Javascript? PHP?)
I want to create an app that accesses the GMail API, but I’m finding that it isn’t as simple as I thought it might be.
Validating Emails in PHP
I wrote the following function to validate emails for a web app I’m working on: