Attentive · warm-up plan studio

Mock Warm-up Plan

Example plan, illustrative volumes only

Warm-up phase

30 days

Jul 16 to Aug 14

Ramp phase

7 days

Smoothing to BAU

BAU starts

Aug 22, 2026

25,000 sends per day

Total subscribers

100,000

Modeled audience

Engagement score tiers

The earliest sends reach the people most likely to open them. Scores step down from six for the freshest engagement to one for subscribers we haven't heard from in more than a year.

6

Most engaged

Up to 30 days

15.0%

15,000 subscribers

5

Highly engaged

31 to 60 days

15.0%

15,000 subscribers

4

Engaged

61 to 90 days

20.0%

20,000 subscribers

3

Moderately engaged

91 to 180 days

15.0%

15,000 subscribers

2

Low engagement

181 to 365 days

15.0%

15,000 subscribers

1

Disengaged

366 days or more

20.0%

20,000 subscribers

Mailbox provider distribution

Volume is split across mailbox providers so each one warms on its own curve.

  • Google53.65%
  • Yahoo19.46%
  • Microsoft9.41%
  • Apple5.75%
  • Comcast1.28%
  • AOL4.54%
  • Other5.90%

Volume ramp plan

This plan reaches the full 25,000 sends a day by Aug 22, and every mailbox provider gets there on its own curve. Daily growth is set to 26.0%.

Calendar view

Each day shows its phase and the modeled send volume.

July 2026

Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Warm-up
94
17
Warm-up
119
18
Warm-up
149
19
Warm-up
188
20
Warm-up
237
21
Warm-up
299
22
Warm-up
376
23
Warm-up
473
24
Warm-up
599
25
Warm-up
752
26
Warm-up
947
27
Warm-up
1,194
28
Warm-up
1,505
29
Warm-up
1,897
30
Warm-up
2,389
31
Warm-up
3,011

August 2026

Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
Warm-up
3,795
2
Warm-up
4,781
3
Warm-up
6,022
4
Warm-up
7,589
5
Warm-up
9,561
6
Warm-up
12,047
7
Warm-up
15,177
8
Warm-up
19,040
9
Warm-up
23,287
10
Warm-up
24,171
11
Warm-up
24,339
12
Warm-up
24,551
13
Warm-up
24,817
14
Warm-up complete
25,000
15
Ramp up
25,000
16
Ramp up
25,000
17
Ramp up
25,000
18
Ramp up
25,000
19
Ramp up
25,000
20
Ramp up
25,000
21
Ramp complete
25,000
22
BAU
25,000
23
BAU
25,000
24
BAU
25,000
25
BAU
25,000
26
BAU
25,000
27
BAU
25,000
28
BAU
25,000
29
BAU
25,000
30
BAU
25,000
31
BAU
25,000

September 2026

Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
BAU
25,000
2
BAU
25,000
3
BAU
25,000
4
BAU
25,000
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Warm-upRampBAUWarm-up completeRamp up complete

Daily send schedule

Every day of the plan, split by mailbox provider and rolled up to the row total and share of BAU.

DayDatePhaseGoogleYahooMicrosoftAppleComcastAOLOtherTotal% BAU
1Jul 16Warm-up5020105252940.4%
2Jul 17Warm-up63251363631190.5%
3Jul 18Warm-up79321683831490.6%
4Jul 19Warm-up10040201041041880.8%
5Jul 20Warm-up12650251351352370.9%
6Jul 21Warm-up15964321661662991.2%
7Jul 22Warm-up20080402082083761.5%
8Jul 23Warm-up25210150251025104731.9%
9Jul 24Warm-up31812764321332135992.4%
10Jul 25Warm-up40016080401640167523.0%
11Jul 26Warm-up504202101502050209473.8%
12Jul 27Warm-up635254127642564251,1944.8%
13Jul 28Warm-up801320160803280321,5056.0%
14Jul 29Warm-up1,00940420210140101401,8977.6%
15Jul 30Warm-up1,27150825412751127512,3899.6%
16Jul 31Warm-up1,60264132016064160643,01112.0%
17Aug 1Warm-up2,01880740420281202813,79515.2%
18Aug 2Warm-up2,5431,0175092541022541024,78119.1%
19Aug 3Warm-up3,2041,2816413201283201286,02224.1%
20Aug 4Warm-up4,0371,6158074041614041617,58930.4%
21Aug 5Warm-up5,0862,0341,0175092035092039,56138.2%
22Aug 6Warm-up6,4082,5631,28264125664125612,04748.2%
23Aug 7Warm-up8,0753,2301,61580732080732315,17760.7%
24Aug 8Warm-up10,1744,0702,0351,0173201,01740719,04076.2%
25Aug 9Warm-up12,8194,8652,3531,2823201,13551323,28793.1%
26Aug 10Warm-up13,4144,8652,3531,4383201,13564624,17196.7%
27Aug 11Warm-up13,4144,8652,3531,4383201,13581424,33997.4%
28Aug 12Warm-up13,4144,8652,3531,4383201,1351,02624,55198.2%
29Aug 13Warm-up13,4144,8652,3531,4383201,1351,29224,81799.3%
30Aug 14Warm-up complete13,4144,8652,3531,4383201,1351,47525,000100.0%
31Aug 15Ramp up13,4144,8652,3531,4383201,1351,47525,000100.0%
32Aug 16Ramp up13,4144,8652,3531,4383201,1351,47525,000100.0%
33Aug 17Ramp up13,4144,8652,3531,4383201,1351,47525,000100.0%
34Aug 18Ramp up13,4144,8652,3531,4383201,1351,47525,000100.0%
35Aug 19Ramp up13,4144,8652,3531,4383201,1351,47525,000100.0%
36Aug 20Ramp up13,4144,8652,3531,4383201,1351,47525,000100.0%
37Aug 21Ramp up complete13,4144,8652,3531,4383201,1351,47525,000100.0%
38Aug 22BAU13,4144,8652,3531,4383201,1351,47525,000100.0%
39Aug 23BAU13,4144,8652,3531,4383201,1351,47525,000100.0%
40Aug 24BAU13,4144,8652,3531,4383201,1351,47525,000100.0%
41Aug 25BAU13,4144,8652,3531,4383201,1351,47525,000100.0%
42Aug 26BAU13,4144,8652,3531,4383201,1351,47525,000100.0%
43Aug 27BAU13,4144,8652,3531,4383201,1351,47525,000100.0%
44Aug 28BAU13,4144,8652,3531,4383201,1351,47525,000100.0%
45Aug 29BAU13,4144,8652,3531,4383201,1351,47525,000100.0%
46Aug 30BAU13,4144,8652,3531,4383201,1351,47525,000100.0%
47Aug 31BAU13,4144,8652,3531,4383201,1351,47525,000100.0%
48Sep 1BAU13,4144,8652,3531,4383201,1351,47525,000100.0%
49Sep 2BAU13,4144,8652,3531,4383201,1351,47525,000100.0%
50Sep 3BAU13,4144,8652,3531,4383201,1351,47525,000100.0%
51Sep 4BAU13,4144,8652,3531,4383201,1351,47525,000100.0%