Hello,
action “relay” relay user username host smtp+tls://[email protected]
auth <secrets>
It worked fine until late March.
Hard to believe, since it is a syntax error.
smtpd -n was ok after user [username] was removed but the relay no
longer functioned. The main cause seems to be a lack of authentication
as I get a "mta error reason=AUTH rejected: 535 Authentication failed"
when I try to send an email while running smtpd -dv.
<secrets> exists or smtpd wouldn't start.
An entry for bob exist or a warning would appear.
An authentication is attempted or "530 Authentication required" would
(most likely) appear.
1. Is bob still an active account on smtp.example.com?
2. Is the password in <secrets> still valid?
3. Is smtp.example.com still the preferred smarthost in the eyes of its
provider?
4. Is your IP on a blacklist? https://www.dnsbl.info/
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