Forum

This forum uses cookies
This forum makes use of cookies to store your login information if you are registered, and your last visit if you are not. Cookies are small text documents stored on your computer; the cookies set by this forum can only be used on this website and pose no security risk. Cookies on this forum also track the specific topics you have read and when you last read them. Please confirm whether you accept or reject these cookies being set.

A cookie will be stored in your browser regardless of choice to prevent you being asked this question again. You will be able to change your cookie settings at any time using the link in the footer.
Sentora Support Forums › Sentora Forum Archives › Sentora Public Support Forums v1.0.x › Email Support v1.0.x v › Roundcube SMTP 451 temporary lookup failure

Roundcube SMTP 451 temporary lookup failure
TGates Offline
Sentora Council - Head of Support Team
*******
OS: Ubuntu 20.04 LTS
Version: 2.0.2
Server: i7-6700K @ 4GHz, 8 cores 32GB Ram
Posts: 3 ,662
Threads: 241
Joined: May 2014
Reputation: 85
Sex: Male
Thanks: 408
Given 599 thank(s) in 464 post(s)
#6
RE: Roundcube SMTP 451 temporary lookup failure
 08-31-2017, 06:49 AM
I'm not sure how Cloudflare works.. I use an SMTP relayer to send mail (mailjet.com) and my own DNS in Sentora.
Me.B may be able to help you with that.
-TGates - Project Council

SEARCH the Forums or read the DOCUMENTATION before posting!
Support Sentora and Donate: HERE
Find my support or modules useful? Donate to TGates HERE
Developers and code testers needed!
Contact TGates for more information
Find
Reply
Thanks given by:


Messages In This Thread
RE: Roundcube SMTP 451 temporary lookup failure - by TGates - 08-31-2017, 06:49 AM

Possibly Related Threads…
Thread Author Replies Views Last Post
How to upgrade RoundCube rajeevrrs 0 2 ,107 11-01-2022, 10:19 PM
Last Post: rajeevrrs
can not send email - SMTP error on roundcube wolvepy 9 31 ,758 01-03-2020, 08:37 AM
Last Post: Telepuzik
How to add password reset option in roundcube hakunamatata 15 68 ,123 02-08-2019, 12:20 PM
Last Post: republicus

Forum Jump:


Users browsing this thread: 1 Guest(s)