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Roundcube SMTP 451 temporary lookup failure
#7
RE: Roundcube SMTP 451 temporary lookup failure
https://intodns.com/stacknet.eu

see the red part you didn't setup any MX for that domain. So you need to setup MX entries that point to a CNAME DNS entry resolving to server IP.

Example
MX point to mail.stacknet.eu
and mail.stacknet.eu A record type and resolves to server ip.

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RE: Roundcube SMTP 451 temporary lookup failure - by Me.B - 08-31-2017, 05:02 PM

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