On 01 Jul 2020, at 10:28, SysAdmin EM <[email protected]> wrote: > The user is using as From Header "gmail.com" which is very wrong.
There is nothing "malformed" about 'from=<[email protected]>' You can restrict your server to sending only mail from that matches the user login, but I don't do that so I don't have that configuration available. Should be easily found by searching the list/docs or search engines. -- Be careful what you wish for. You never know who will be listening. Or what, for that matter.
