Your campaign schedule sets when emails go out. On the campaign's Settings tab, you choose the active days, the sending window, the timezone and the gap between emails. Use this guide to make sends follow your working hours or to spread a campaign across the day.
Open the campaign you want to change.
Click the Settings tab.
In the settings sidebar, click Schedule Configuration.
In Send Schedule, choose a Timezone. Send times follow the campaign's timezone.
Under Active Days, click each day you want to send on. Click a day again to turn it off.
Under Sending Window, enter a time in From and a time in To. Type a time such as 09:00, or use the clock button at the right of the field.
Emails only go out on the days you selected, between From and To.
In the Every field, enter the number of minutes between emails.
Read the line under the field, for example 48 triggers will be sent / day / sender account. This is how many emails each mailbox can send per day with your window and gap.
Make sure Every is higher than the Minimum time gap set on each mailbox in Sender Accounts. If it's lower, sends get skipped and the campaign sends less.
A gap under 5 minutes shows the warning: Reducing the time gap less than 5 mins may damage your account reputation. Smartlead also adds a 30 to 60 second variation to each send so the pattern looks natural.
Click Save Changes at the bottom of the page.
Wait for the message Settings saved successfully.
On a running campaign, the planned send times are rebuilt straight away with your new days and hours.
The gap must be at least 3 minutes. A smaller value blocks saving and shows "Minimum time is 3 mins".
New Leads/Day is a separate cap. It sets the maximum number of new leads to contact per day across all email accounts. It is on the same page.
Follow-up delays follow your active days. If you only choose Mon to Fri, weekends don't count toward the wait.
Changes made while a campaign is paused apply when you resume it.
Emails go out outside the days or hours you set
Cause: the schedule was changed while the campaign was paused, or through the API while it was running. The planned send times were not rebuilt.
Check Active Days and Sending Window on the Settings tab.
If you changed the schedule while paused, resume the campaign.
If you changed it through the API while the campaign was running, pause the campaign, then resume it.
Save shows "Settings saved, but schedule re-sync failed. Please retry once."
Cause: the settings saved, but the planned send times could not be rebuilt.
Click Save Changes again.
If the message returns, pause the campaign, then resume it.
The campaign sends fewer emails than the line under Every shows
Cause: the mailbox's Minimum time gap is higher than Every, the mailbox is shared with other campaigns, or New Leads/Day is low. See Issues with the number of emails being sent out.
Still stuck? Contact support from the chat in your Smartlead dashboard.
