# Adjusting sending frequency and expected completion time

You may choose from 4 sending frequencies with different velocities for sending messages.  

{% hint style="danger" %}
Remember that too high of a frequency may lead to unexpected bans. We suggest starters should always start with "Safe" frequency first.
{% endhint %}

<figure><img src="/files/sequ0a56krBgtYZ0flfo" alt=""><figcaption></figcaption></figure>

<details>

<summary><strong>The expected completion time is calculated based on the total number of recipients and the sending frequency.</strong></summary>

Let's say the total number of recipients is 100, and the sending frequency is 30 seconds per message, the expected completion time will be 50 mins.

</details>

Depending on your campaign, it is up to you what sending frequency option works best for your campaign. Once you have made up your mind, you may head to [Scheduling a campaign](/features/campaign/creating-a-campaign/scheduling-a-campaign.md).


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