diff --git a/analyses.go b/analyses.go
index fc415bc..ddddfab 100644
--- a/analyses.go
+++ b/analyses.go
@@ -39,6 +39,8 @@ type Job struct {
 	Type           string `json:"type"`
 	User           string `json:"user"`
 	ExternalID     string `json:"external_id"`
+	NotifyPeriodic bool   `json:"notify_periodic"`
+	PeriodicPeriod int    `json:"periodic_period"`
 }
 
 // getJobDuration takes a job and returns a duration string and the start time of the job
@@ -67,7 +69,9 @@ select jobs.id,
        jobs.planned_end_date,
        jobs.start_date,
        job_types.system_id,
-       users.username
+       users.username,
+       COALESCE((jobs.submission->>'notify_periodic')::bool, TRUE) AS notify_periodic,
+       COALESCE((jobs.submission->>'periodic_period')::int, 0) AS periodic_period
   from jobs
   join job_types on jobs.job_type_id = job_types.id
   join users on jobs.user_id = users.id
@@ -140,6 +144,8 @@ func JobsToKill(ctx context.Context, dedb *sql.DB) ([]Job, error) {
 			&startDate,
 			&job.Type,
 			&job.User,
+			&job.NotifyPeriodic,
+			&job.PeriodicPeriod,
 		); err != nil {
 			return nil, err
 		}
@@ -178,7 +184,9 @@ SELECT jobs.id,
        jobs.planned_end_date,
        jobs.start_date,
        job_types.system_id,
-       users.username
+       users.username,
+       COALESCE((jobs.submission->>'notify_periodic')::bool, TRUE) AS notify_periodic,
+       COALESCE((jobs.submission->>'periodic_period')::int, 0) AS periodic_period
   FROM jobs
   JOIN job_types on jobs.job_type_id = job_types.id
   JOIN users on jobs.user_id = users.id
@@ -228,6 +236,8 @@ func JobPeriodicWarnings(ctx context.Context, dedb *sql.DB) ([]Job, error) {
 			&startDate,
 			&job.Type,
 			&job.User,
+			&job.NotifyPeriodic,
+			&job.PeriodicPeriod,
 		); err != nil {
 			return nil, err
 		}
@@ -266,7 +276,9 @@ select jobs.id,
        jobs.planned_end_date,
        jobs.start_date,
        job_types.system_id,
-       users.username
+       users.username,
+       COALESCE((jobs.submission->>'notify_periodic')::bool, TRUE) AS notify_periodic,
+       COALESCE((jobs.submission->>'periodic_period')::int, 0) AS periodic_period
   from jobs
   join job_types on jobs.job_type_id = job_types.id
   join users on jobs.user_id = users.id
@@ -323,6 +335,8 @@ func JobKillWarnings(ctx context.Context, dedb *sql.DB, minutes int64) ([]Job, e
 			&startDate,
 			&job.Type,
 			&job.User,
+			&job.NotifyPeriodic,
+			&job.PeriodicPeriod,
 		); err != nil {
 			return nil, err
 		}
@@ -473,6 +487,8 @@ select jobs.id,
        jobs.start_date,
        job_types.system_id,
        users.username,
+       COALESCE((jobs.submission->>'notify_periodic')::bool, TRUE) AS notify_periodic,
+       COALESCE((jobs.submission->>'periodic_period')::int, 0) AS periodic_period,
        job_steps.external_id
   from jobs
   join job_types on jobs.job_type_id = job_types.id
@@ -504,6 +520,8 @@ func lookupByExternalID(ctx context.Context, dedb *sql.DB, externalID string) (*
 		&startDate,
 		&job.Type,
 		&job.User,
+		&job.NotifyPeriodic,
+		&job.PeriodicPeriod,
 		&job.ExternalID,
 	); err != nil {
 		return nil, err
diff --git a/main.go b/main.go
index 30dea5a..d095bcf 100644
--- a/main.go
+++ b/main.go
@@ -45,7 +45,7 @@ iplant_groups:
 const warningSentKey = "warningsent"
 const oneDayWarningKey = "onedaywarning"
 
-func sendNotif(ctx context.Context, j *Job, status, subject, msg, email_template string) error {
+func sendNotif(ctx context.Context, j *Job, status, subject, msg string, email bool, email_template string) error {
 	var err error
 
 	// Don't send notification if things aren't configured correctly. It's
@@ -80,10 +80,12 @@ func sendNotif(ctx context.Context, j *Job, status, subject, msg, email_template
 	p.AnalysisStartDate = strconv.FormatInt(sdmillis, 10)
 	p.AnalysisResultsFolder = j.ResultFolder
 	p.RunDuration = durString
-	p.Email = user.Email
+	if email {
+		p.Email = user.Email
+	}
 	p.User = u
 
-	notif := NewNotification(u, subject, msg, email_template, p)
+	notif := NewNotification(u, subject, msg, email, email_template, p)
 
 	resp, err := notif.Send(ctx)
 	if err != nil {
@@ -143,7 +145,7 @@ func SendKillNotification(ctx context.Context, j *Job, killNotifKey string) erro
 		endtime.UTC().Format(time.UnixDate),
 		j.ResultFolder,
 	)
-	err = sendNotif(ctx, j, "Canceled", subject, msg, "analysis_status_change")
+	err = sendNotif(ctx, j, "Canceled", subject, msg, true, "analysis_status_change")
 	return err
 }
 
@@ -167,7 +169,7 @@ func SendWarningNotification(ctx context.Context, j *Job) error {
 		j.ResultFolder,
 	)
 
-	return sendNotif(ctx, j, j.Status, subject, msg, "analysis_status_change")
+	return sendNotif(ctx, j, j.Status, subject, msg, true, "analysis_status_change")
 }
 
 func SendPeriodicNotification(ctx context.Context, j *Job) error {
@@ -186,7 +188,7 @@ func SendPeriodicNotification(ctx context.Context, j *Job) error {
 		durString,
 	)
 
-	return sendNotif(ctx, j, j.Status, subject, msg, "analysis_periodic_notification")
+	return sendNotif(ctx, j, j.Status, subject, msg, j.NotifyPeriodic, "analysis_periodic_notification")
 }
 
 func ensureNotifRecord(ctx context.Context, vicedb *VICEDatabaser, job Job) error {
diff --git a/notifications.go b/notifications.go
index 64fd2ad..bcd7bc6 100644
--- a/notifications.go
+++ b/notifications.go
@@ -85,14 +85,14 @@ func NewPayload() *Payload {
 }
 
 // NewNotification returns a newly initialized *Notification.
-func NewNotification(user, subject, msg, emailTemplate string, payload *Payload) *Notification {
+func NewNotification(user, subject, msg string, email bool, emailTemplate string, payload *Payload) *Notification {
 	return &Notification{
 		URI:           NotifsURI,
 		Type:          "analysis",
 		User:          user,
 		Subject:       subject,
 		Message:       msg,
-		Email:         true,
+		Email:         email,
 		EmailTemplate: emailTemplate,
 		Payload:       payload,
 	}
diff --git a/notifications_test.go b/notifications_test.go
index 1de7cb4..8a5dfa9 100644
--- a/notifications_test.go
+++ b/notifications_test.go
@@ -24,7 +24,7 @@ func TestNewNotification(t *testing.T) {
 	expectedSubject := "subject"
 	expectedTemplate := "analysis_status_change"
 	NotifsInit(expectedURI)
-	n := NewNotification(expectedUser, expectedSubject, "", expectedTemplate, nil)
+	n := NewNotification(expectedUser, expectedSubject, "", true, expectedTemplate, nil)
 	if n.URI != expectedURI {
 		t.Errorf("URI was %s, not %s", n.URI, expectedURI)
 	}
@@ -42,7 +42,7 @@ func TestNewNotification(t *testing.T) {
 func TestSend(t *testing.T) {
 	expectedUser := "test-user"
 	expectedSubject := "test-subject"
-	n := NewNotification(expectedUser, expectedSubject, "", "analysis_status_change", nil)
+	n := NewNotification(expectedUser, expectedSubject, "", true, "analysis_status_change", nil)
 
 	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		b, err := io.ReadAll(r.Body)
diff --git a/vicedb.go b/vicedb.go
index 78404ec..fa649b5 100644
--- a/vicedb.go
+++ b/vicedb.go
@@ -3,6 +3,7 @@ package main
 import (
 	"context"
 	"database/sql"
+	"fmt"
 	"time"
 
 	pqinterval "github.com/sanyokbig/pqinterval"
@@ -110,14 +111,21 @@ func (v *VICEDatabaser) AddNotifRecord(ctx context.Context, job *Job) (string, e
 	var (
 		err     error
 		notifID string
+		period  string
 	)
 
+	if job.PeriodicPeriod > 0 {
+		period = fmt.Sprintf("%d seconds", job.PeriodicPeriod)
+	} else {
+		period = "4 hours"
+	}
+
 	if err = v.db.QueryRowContext(
 		ctx,
 		addNotifRecordQuery,
 		job.ID,
 		job.ExternalID,
-		"4 hours", // hardcoded for now
+		period,
 	).Scan(&notifID); err != nil {
 		return "", err
 	}