"alternative email" is correct and usable in written English.
It is commonly used to refer to a secondary email address that someone has besides their primary one. Example: John's primary email address is [email protected], but he also has an alternative email, [email protected], for less important communication.
"We do now have policies that would make it hard to set up alternative email.
Once upon a time, you could open an email account without providing an alternative email address or phone number, but most email providers now require one or another.
That means logging into your Yahoo account, and changing the password, as well as checking for any signs of misuse: new contacts, auto-forwarding rules or alternative email addresses, for example.
Password resets require authentication, so Microsoft will send a security code to the alternative email address listed in your email account, or send an SMS to the mobile phone number listed.
Both Gmail and Outlook.com encourage you to enter an alternative email address and a phone number to help you to recover an account if you have problems logging in.
In response to the allegations the Home Office said that while there were problems with a fax machine on Friday, an alternative email address was given and the representations were received and considered.
No names, addresses, no mobile number, no alternative emails.
The survey was conducted from 8 April 2014, with an email reminder sent out a week later, and further links sent to alternative emails in the remaining non-responders.
The second alternative is email; Internal organisation communication depends on email; in only an era, email has supplanted paper as the mode of communication.
He has previously said he would like Facebook messaging to become an alternative to email.
Switching to an alternative free email service such as Gmail or Outlook has an obvious disadvantage: you will have to tell all your contacts to use a different email address.
