Deliverability terms.
A working dictionary of the words a cold-email engineer should be able to use precisely. 18 entries · A–Z.
C
D
E
I
S
Sender reputation
A mailbox provider's score of a sending domain/IP.
Sender Score
Return Path's 0-100 reputation score.
Soft bounce
Temporary delivery failure — retry then deliver or fail.
Spam trap
Email addresses used to identify careless or malicious senders.
SPF
Sender Policy Framework — DNS record of authorized senders.