Your Email Signature May Be Rendered Slightly Differently When Viewed on a Sent Email Versus How It Looks In Your Apollo Mailbox Settings, Depending on the Email Client of the Recipient
If your recipient is using Gmail, expect basic line spacing variance in the signature of the email that is sent. This is due to the limitation Gmail has on how they render and choose to display the signature pulled from Apollo.
For example, here's a Gmail signature that was pulled from Settings > You > Mailboxes > Mailbox Settings:
Here's what the signature looks like when it's rendered in Gmail (notice the spacing variance between each line):
Different email clients (ie. Microsoft, Yahoo, etc.) may render and display your email signature differently. Because of this, how your signature is displayed depends on where the email is received.