Generating random password for contacts
If you have any application in which you want only your salesforce contacts to log in. You can create log in page and authenticate contacts by giving password to them. For that purpose you need set Contact’s password and send it to their email address and show password as encrypted field on layout so that admin can’t see it. Here’s what we need to do.
Create Custom Button and call webservice to generate password and send to its email address.
The e-mail deliverability is a new feature released in spring 13 and as per the release notes, all newly refreshed sandboxes default to “system email only”
The access level might have been set to “system e-mails”.
In setup | Administration setup | Email Administration | Deliverability, verify if the access level is set to “All e-mails”
