NetEmail caster is a marketing tool software that can validate emails list and send customized message  directly to recipients and get instant feedback.It has embeded in SMTP relay ,so you do not need using the SMTP relay server of your ISP...

The best bulk email sender and mailing list management software. It’s so user-friendly that you can launch your email marketing campaign in minutes: create a newsletter, select a mailing list and start its fast mass emailing engine

Be informed of the new email messages arriving from multiple email accounts. Use a system tray notification center to receive visual and audio notifications once you get the new email message coming from one of your accounts.