Dear wpForo support team. I would like to thank you for the good support you are providing 👍 

I hope you can also help with this issue:

I have 1 general 3 private total 4 different Forums on my website and for the 3 private forums, I require an official email address with the relevant company extension (mail@companyname.com) to avoid membership from others and spam.

However many companies are very sensitive and protective of their email system trying to keep spam and misuse out.

Here is my question: I would like to use the official company email only once to send the email confirmation and set the password link to this particular email address. Once a new member clicks the confirmation link lands on his/her company email and returns to set the password, I would like to give a choice to enter another email address for future lost / change passwords. How can I do this?

Shortly I would like to give an option to a new member to change his email during the registration process once he/she is confirmed and identified as working for the relevant company. 

Example:

John Doe works for xxx Airlines. During the initial registration process, he enters his company mail john.doe@xxxairlines.com as required to become a member of the private forum for xxx Airlines Pilots private forum.

John receives his confirmation link (since the sender is not a confirmed sender this link lands in the spam folder) He clicks the link to set his password and to give a new email address.

Do I need all this hassle to create a new form or could a new member simply change his/her email address after setting the password?  But for some users, this option would also be confusing and difficult. 

What do you suggest?

I also installed wpForo User Custom Field add-on. Since this is the initial registration process I am posting this question here on wpForo Forum and if it's necessary I can post it on the wpForo add-on forum. 

Thank you all for the usual support.

Cheers