nonspam
Electronic mail that is not spamElectronic mail that is not spam (junk mail); legitimate e-mail.
Meaning
1 senses(uncountable)Electronic mail that is not spam (junk mail); legitimate e-mail.
Origin
From non- + spam.From non- + spam.
Wiktionary, CC BY-SA 4.0 · source
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable