Overview
A sender account is any account the Agent uses to send outreach on your behalf. This includes:
Email accounts – Use your personal inbox or set up CallSine’s cold email infrastructure to send safely and at scale.
LinkedIn accounts – Used for connection requests, messages, and InMail.
[Learn more about setting up cold email infrastructure → How to Set Up and Use Cold Email Infrastructure in CallSine]
Where to Add Sender Accounts
You can connect sender accounts in two places:
During Agent creation – In the Campaign Wizard, if you don’t already have any accounts connected.
From the Settings menu – Click Settings at the bottom of CallSine’s left-hand menu, then select Sender Accounts in the pop-up menu.
Adding Personal Accounts
Click Add an email account or Add a LinkedIn account.
You’ll be redirected to the provider’s login page.
Sign in and approve access to connect the account to CallSine.
Adding a Signature to Email Accounts
In the Sender Accounts menu, click the pencil icon next to the account you want to edit.
Add or update your signature.
Deliverability tip: Avoid images and hyperlinks in signatures, as these can trigger spam filters.
Plain-text links (e.g., callsine.com) are acceptable and will be automatically hyperlinked when delivered.
Deleting Sender Accounts
Navigate to the Sender Accounts page.
Locate the account you want to remove and click Delete.


