The introduction of the subject line and initial capitalization within an email is a cornerstone in what makes it spam. These two characteristics define all “spam” as easily identifiable by these markers, which are standards set forth by your company’s anti-spam system to protect you from unwanted emails.
Check out the following URLs if you want to sign up for spam emails:
https://mailbait.info/ 
MailBait is the best way to fill your inbox with email. … Want a lot of emails? … No sign-up required. … “Dumpster Fire” is an insensative MailBait mail category. … Market Researchers, Spam Filters, and empty email inboxes …anyone that wants …
https://www.thestudentroom.co.uk/showthread.php?t=2874321
Hello, so I accidentally signed someone up for spam after discovering their email address (they deserved it), but it was just Groupon and Wowcha. Then, I was going to do more.
Is it against the law to register someone for email spam? Legal guidance from (California)
Additional outcomes from www.reddit.com
https://itstillworks.com/register-email-address-spam-6877466.html
Find or gather the email addresses you want to add to your spam list. Visit websites that are recognized for producing a lot of spam. AOL, MSN, Listopt, Discovery Newsletters, and Internet.com Newsletters are a few examples. Join and choose to use each of their services. Relax and wait.
http://www.digicrime.com/spam/
We just enroll your individual in receiving as much junk mail as they can manage. Our entry-level service registers them with the following spammers:
https://community.spiceworks.com/topic/2169010-user-email-used-on-spam-revenge
7 authors
https://lifehacker.com/mailbait-fills-your-or-someone-else-s-inbox-with-emai-5952102
… your service will withstand the barrage of endless amounts of mails,… registering the email address you gave for newsletters and mailing lists (most… all well in the inbox, with just a few being immediately sent to spam.
https://www.quora.com/Where-can-I-get-spam-emails-on-purpose
Additional outcomes from www.quora.com
https://www.techdirt.com/articles/20050609/1751216/signing-people-up-spam-is-harassment.shtml
Enrolling Individuals In Spam Is Harassment Email sent from the “watch what you do” department. Thursday, June 9, 2005 5
https://support.google.com/mail/thread/18092362?hl=en
1 answer
https://donotpay.com/learn/sending-spam-emails/
Someone is sending spam emails using your email address? The issue is that any server can be configured to send emails from any domain, and there are even online services that allow this. There will, thankfully, be indications that your email address has been faked.
http://af.becchinidabruzzo.it/how-to-sign-someone-up-for-spam.html
Even if I delete them to clear up space, the spam emails never stop. … Aug 12, 2012 · How can someone best sign up for physical junk mail?
