If you're using a dedicated IP, then yes, they are being lazy. Or they have some vendetta with sendgrid maybe. There's always the possibility that your dedicat

If you're using a dedicated IP, then yes, they are being lazy. Or they have some vendetta with sendgrid maybe. There's always the possibility that your dedicated IP isn't as clean as you would hope. You can check here: https://mxtoolbox.com/blacklists.aspx https://mxtoolbox.com/blacklists.aspx