On Mon, Sep 18, 2023 at 04:42:39PM -0400, Mike Bianchi via Postfix-users wrote:
> Thunderbird works with *.mail.pairserver.com connections, inbound and
> outbound.
You almost certainly have authentication configured in Thunderbird, by
configuring a suitable account name and password.
> ... Client host rejected: Access denied (in reply to RCPT TO
> command)) ....
You probably did not configure SASL authentication for the relay host:
https://www.postfix.org/DEBUG_README.html#mail
> Sep 18 16:27:36 foveal-12 postfix/smtp[28177]: B63D9DE1838:
> to=<supp...@pair.com>, relay=foveal2.mail.pairserver.com[66.39.24.138]:465,
You're connecting the "submissions" service: good.
> delay=397, delays=397/0.01/0.09/0.03, dsn=5.7.1, status=bounced (host
> foveal2.mail.pairserver.com[66.39.24.138] said: 554 5.7.1
> <pool-100-35-58-82.nwrknj.fios.verizon.net[100.35.58.82]>: Client host
> rejected: Access denied (in reply to RCPT TO command))
If had tried SASL and failed, that would have been logged, so see:
https://www.postfix.org/SASL_README.html#client_sasl
On Mon, Sep 18, 2023 at 04:53:13PM -0400, Sonic via Postfix-users wrote:
> Looks like a normal reject of a consumer based endpoint (IP address).
> Pretty common, most major services will reject email from such addressess.
> When you're using Thunderbird you're most likely authenticating before
> sending which is not the case with Postfix.
This fails to explain that Postfix is quite capable of authenticating,
but was simply not configured to do so in the OP's case.
--
Viktor.
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