Related Clues:
- Attempt to bypass a spam filter, say
- Respond to "I didn't get it"
- E-mailing option
- Transfer an e-mail, perhaps
- Forward, as mail
- React to an e-mail error message, maybe
- Option after a transmission failure
- Email again
- Forward, say
- E-mail request
- Forward, as a letter
- Forward, e.g
- Forward, in a way
- Dispatch again
- Respond to a failed delivery