Marketing Ops Glossary
Lifecycle, segmentation, sequences, and email-deliverability terminology
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Click-Through Rate
Click-through rate (CTR) is the percentage of people who click a link in your email, ad, or message out of eve
Marketing OpsComplaint Rate
Percentage of recipients who mark your email as spam — values above 0.1% damage sender reputation rapidly.
Marketing OpsCustomer Evangelist
A customer so satisfied with your product they actively recommend it to others without prompting or compensati
Marketing OpsCustomer Lifecycle
The full arc of a customer's relationship with your business, from first touch through advocacy, mapped to spe
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DKIM
DKIM is an email authentication standard that cryptographically signs outbound mail so receivers can verify it
Marketing OpsDMARC
DMARC is an email authentication policy that tells inbox providers what to do when a message fails SPF or DKIM
Marketing OpsDemographic Segmentation
Grouping contacts by individual characteristics — age, gender, income, education, occupation, marital status,
Marketing OpsDisengaged Subscriber
An email subscriber who has stopped opening, clicking, or replying — typically inactive for 90+ days but not y
Marketing OpsDomain Warming
Gradually ramping up email volume from a new sending domain over weeks to build sender reputation with inbox p
Marketing OpsDormant Lead
A lead in your database that hasn't engaged with marketing or sales touches for an extended period — typically
Marketing OpsDynamic List
An auto-updating marketing list whose membership is defined by filter criteria — contacts join and leave autom
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Email Allowlist
List of trusted senders explicitly permitted to deliver mail to an inbox or organization, bypassing standard s
Marketing OpsEmail Blacklist
A publicly maintained list of IPs or domains known to send spam — listing causes widespread email delivery fai
Marketing OpsEmail Denylist
Modern term for an email blacklist — list of IPs or domains blocked from sending mail to a given infrastructur
Marketing OpsEmail Sequence
A scheduled series of automated emails sent to a contact based on triggers, timing, or behavior to move them t
Marketing OpsEngaged Subscriber
An email subscriber who has opened, clicked, or replied to your messages within a recent active window — typic
Marketing OpsExit Criteria
Rules that automatically remove a contact from a sequence — typically reply detection, meeting booked, deal-st
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IP Warming
Gradually increasing email volume from a new dedicated IP address to establish positive sender reputation with
Marketing OpsIdeal Customer Profile
A documented description of the company type that gets the most value from your offer and is most profitable t
Marketing OpsInbox Placement Rate
Percentage of sent emails that land in the recipient's primary inbox versus spam, promotions, or other folders
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MQL
MQL (Marketing Qualified Lead) is a prospect whose engagement signals indicate they're ready for sales follow-
Marketing OpsMarketing List
A defined group of contacts in your marketing platform used as a sendable audience for campaigns, sequences, o
Marketing OpsMarketing Tag
A label applied to contacts or content to enable flexible categorization and segmentation without rigid field
Marketing OpsMulti-Channel Cadence
A coordinated outreach sequence that combines multiple channels — email, phone, LinkedIn, SMS — rather than re
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Open Rate
Open rate is the percentage of delivered emails that recipients opened, used to gauge subject-line performance
Marketing OpsOut-of-Office Detection
Identifying out-of-office auto-replies and distinguishing them from genuine responses so sequences pause rathe
Marketing OpsOutreach Cadence
A structured sequence of outbound touches across channels and time intervals designed to engage prospects and
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Reactivation Campaign
A targeted marketing sequence designed to re-engage dormant customers or leads who've gone quiet but haven't f
Marketing OpsReply Detection
Automated identification of email replies to outbound sequences — triggers exit criteria and notifies the send
Marketing OpsReschedule Logic
Rules that automatically delay or shift sequence steps based on conditions like OOO replies, recipient time zo
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SAL
A Sales Accepted Lead (SAL) is an MQL that sales has reviewed and formally agreed to work, confirming fit and
Marketing OpsSPF Record
An SPF record is a DNS entry that lists which servers are authorized to send email from your domain, protectin
Marketing OpsSQL
A Sales Qualified Lead (SQL) is a prospect vetted by marketing and accepted by sales as ready for a direct sal
Marketing OpsSegment Filter
A rule or set of rules that defines who matches a marketing segment — based on contact properties, behaviors,
Marketing OpsSender Reputation
Sender reputation is the trust score mailbox providers assign to your sending domain and IP, deciding whether
Marketing OpsSender Score
Validity's 0-100 reputation score for email-sending IPs, based on volume, complaints, spam-trap hits, and bloc
Marketing OpsSequence Enrollment
The action of adding a contact to a sequence so they begin receiving the sequence's steps in order.
Marketing OpsSequence Performance
Metrics measuring how well an outreach sequence is converting contacts — reply rate, meeting-booked rate, oppo
Marketing OpsSequence Step
An individual action within a multi-step outreach or nurture sequence — typically an email, task, delay, or br
Marketing OpsSoft Bounce
A temporary email delivery failure — recipient inbox is full, mail server is down, or message is too large — t
Marketing OpsSpam Folder
The mailbox folder where email determined to be unwanted is automatically filed by the inbox provider, bypassi
Marketing OpsSpam Trap
An email address used by ISPs and blocklist providers to identify senders with poor list hygiene and flag them
Marketing OpsStatic List
A fixed marketing list whose membership is set at creation and doesn't change unless contacts are manually add
Marketing OpsSuppression List
A list of contacts excluded from marketing sends — covering unsubscribes, hard bounces, complaints, and any ot
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