You can use an email account of your hosting in Gmail WEB.
To do this, you can just follow this steps:
Step 1: Add the email account in Gmail.
1. Open the Gmail in the computer.
2. In the top right corner, click in Configurations.
3. Click in the Account and Importation or Account option.
4. In the section "Send e-mail as", click in Add another email address.
5. Type you name and the address with which want to send messages.
6. Click in Next Step.
7. Insert the SMTP Server:
Server/Host address: mail.SeuDomÃnio
Porta SMTP: 465
8. Click in Add account.
Step 2: Confirm the Address
1. Sign in to the account you added.
2. Open the confirmation message you received from Gmail.
3. Copy and paste the verification code that was sent to your email.