Re: Sendmail on FreeBSD 14, gmail problem

On 15.04.2024 um 16:45 Uhr bp@www.zefox.net wrote:

(reason: 550-5.7.26 This mail has been blocked because the sender is
unauthenticated.)

As a low volume sender, you need at least SPF or DKIM (you can do both)
for your domain.
SPF is a simple DNS TXT record, DKIM also need a milter (e.g. opendkim)
that signs the message.

Setting that up is easy, ask if you have questions.

--
kind regards
Marco

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