Among the 10 email addresses I have, only 6 are linked to an smtp server and exactly one implements spf. This makes me think that today, defaulting to using on

Among the 10 email addresses I have, only 6 are linked to an smtp server and exactly one implements spf. This makes me think that today, defaulting to using one smtp for all accounts is saner than bugging the user and having 8 out of 10 mail accounts that cannot send mails.