Daniel Mitchell

A Senior Software and Cloud Engineer based in the UK. Experienced programmer in a variety of languages, technologies and delivering solutions for the AWS Cloud.


AWS Certified


Currently work in a freelance capacity for a number of organisations that include developing and architecting back-end solutions in the cloud, for the web, desktop and mobile devices. Projects as diverse as management systems, cloud hosting, multi-channel communication solutions, telephony and the processing of audio and video media.


Feel free to contact me with your interesting project ideas. Email: me@daniel-mitchell.com

Identifying Valid MX Records to Clean Up Your Mailing List

When managing a mailing list, one critical task is ensuring that the email addresses in your list are valid. Sending emails to invalid addresses not only clutters your system but also harms your sender reputation, which can affect your email deliverability. One effective way to validate email addresses is by checking their Mail Exchanger (MX) records. What Are MX Records?MX records are

Send email with AWS SES in a CloudFlare Worker

To send an email via a CloudFlare Worker you will need to call a email provider. AWS Simple Email Service (SES) is a robust transactional email provider that I already use in a number of other projects, and simplifies my billing. However the JavaScript SDK provided by AWS is very large and is not compatible with the CloudFlare Worker runtime. So we will

Unlocking Bank Switch Bonuses with Fifty Pence Direct Debit

Switching banks has never been more rewarding. With enticing cash bonuses, interest rates, and other perks, savvy consumers are capitalizing on these offers. However, many of these deals come with a requirement: you need to have active direct debits. But what if you could set up these direct debits without breaking the bank? Enter Fifty Pence Direct Debit, the service that makes it

The Real Cost of Free Transactional Email Services

When it comes to managing costs, especially ongoing ones, businesses and individuals with side projects alike seek efficient solutions. Email services are no exception. While free email providers can be enticing initially, they come with a serious drawback. Learn from my experience that see that resisting the draw of free email services and opting for paid transactional email services from the beginning is

SignASL year in review 2023

In 2023 32,197,037 searches were made on www.signasl.org a massive +22.5% increase from last year! (This is a 31% higher search volume compared to Sign BSL). Below I have provided a snapshot of the top 50 most searched words during the year. Search Query No. searches % change **** 62,356 96% **** 45,408 109% abortion 37,692 758% you're

SignBSL year in review 2023

In 2023 24,587,983 searches were made on www.signbsl.com a +4.2% increase from last year indicating a growing interest in BSL which I expect to continue, especially with the plans to allow students to learn BSL as a GCSE subject. Below I have provided a snapshot of the top 50 most searched words. Search Query No. Searches % change from

Partitioned Cookies in C#

As browsers start to phase out 3rd party cookies developers need to start using the partitioned cookie attribute (this is a new feature of Cookies Having Independent Partitioned State CHIPS). This will allow users to login when accessing your site in an iframe whiles maintaining privacy. While blocking 3rd party cookies is not yet set as the default, all the major browsers are

Email Spam Headers

One way to help reduce the chances of your emails being marked as spam is to understand email spam headers. Spam headers are the hidden messages that are attached to every email. They contain information about the sender, the recipient, and the content of the email. Two of the most important spam headers are SPF and DKIM. SPF stands for Sender Policy Framework.

SignBSL Year in Review 2022

Quick recap of this year's search data for SignBSL 23,595,029 searches were done. This is a tiny increase of +0.6% from last year. So almost unchanged the amount of searches. Below I have included the top 50 most searched words. Search Query No. Searches % Change from last year how are you 45,911 -16% i love you 42,692 26%

SignASL Year in Review 2022

Quick recap of this year's search data for SignASL 26,274,632 searches were done. This is a small increase of +5.6% from last year. Below I have included the top 50 most searched words. The top 5 words are offensive words. In fact there are 7 offensive words in the top 50, unlike users searching for BSL where none of the