Summary
It is so long that...
Some web forms are unable to read your email address.
Some email software cannot be configured.
People have a hard time typing in your email address.
Companies think that your email address is fake.
The Longest Alphabetical Email Address on Earth!
and...
It's FREE!
迷惑この上ないです．
Reference
AbcdefghijklmnopqrstuvwxyzAbcdefghijklmnopqrstuvwxyzAbcdefghijk.com - The World's Longest Alphabetical Email Addresshttp://www.appwalk.com/abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijk/