mailsetting smtp-rcpt-verification
Microsoft 365 does not accept a blank MAIL FROM:, which is the FortiMail default setting for SMTP recipient verification. Use this command to add an envelope from address to solve the problem.
Syntax
config mailsetting smtp-rcpt-verification
set connection-type {auto | regular | secure}
set mail-from-addr <email_address>
set mode {regular | fail-open}
end
|
Variable |
Description |
Default |
|
Define the connection type for SMTP recipient verification:
|
regular |
|
|
Specify the envelope |
|
|
|
Define the recipient verification mode:
|
regular |