I had an issue where my domain name provider did not maintain their machine's
reverse DNS in a timely fashion.I am with a different provider now, who also
provides web hosting.
Replies are sent to my email address at echlin.ca and bounce if the email
server at the DNS provider does not have the correct reverse dns.
This was important despite the fact that all my email messages originate from
yahoo.Not sure if this is relevant to your problem.
All my very best,Rob
On Saturday, January 19, 2019, 4:13:53 p.m. EST, Rick Leir
<[email protected]> wrote:
Michael,
The reverse DNS is also mentioned in the Google help page. Your reverse DNS
seems to be wrong.
HTH -- Rick
On January 19, 2019 1:02:39 PM EST, "Michael P. Soulier"
<[email protected]> wrote:
So, I help our my sister's business by handling her domain. For some
time she has paid for a virtual server with westhost.com, and on it, I
have a simple forward rule in /etc/aliases for her business account to
her gmail account, as she requested.
trish: [email protected]
petservices: trish
So someone emailing [email protected] will result in a
forward to [email protected]. This has been working fine.
Suddenly it's not.
----- The following addresses had permanent fatal errors -----
[email protected]
(reason: 550-5.7.1 This message does not have authentication
information or fails to pass)
(expanded from: trish)
----- Transcript of session follows -----
... while talking to gmail-smtp-in.l.google.com.:
DATA
<<< 550-5.7.1 This message does not have authentication information or
fails to pass
<<< 550-5.7.1 authentication checks. To best protect our users from
spam, the
<<< 550-5.7.1 message has been blocked. Please visit
<<< 550-5.7.1
https://support.google.com/mail/answer/81126#authentication for more
<<< 550 5.7.1 information. s3si2560808iom.144 - gsmtp
554 5.0.0 Service unavailable
I don't understand why google is asking for authentication for a simple
forward. We're not relaying, we're forwarding.
I'm in the middle of moving her nameservers to use my config at
digitalocean so I can better control her setup, but I've had the same
issue there with a simple mail forward so I'm asking.
If I use postfix' virtual hosting, then that works. But why would a
simple /etc/aliases forward be rejected?
Help appreciated. Google's explanation is not helpful, at least to me.
Mike
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--
Sorry for being brief. Alternate email is rickleir at yahoo dot com
