# Webmail + cloudflare and SMTP website **URL:** \ **Category:** Mail\ **Created:** [April 3, 2023, 6:52pm UTC](https://forum.hestiacp.com/t/webmail-cloudflare-and-smtp-website/9268 "2023-04-03T18:52:43Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![a99](https://forum.hestiacp.com/letter_avatar_proxy/v4/letter/a/2bfe46/32.png) [@a99](https://forum.hestiacp.com/u/a99)\ **Post date:** [April 3, 2023, 6:52pm UTC](https://forum.hestiacp.com/t/webmail-cloudflare-and-smtp-website/9268/1 "2023-04-03T18:52:43Z")
Hello . I just installed hestiacp on my aws server cloud and i use cloudflare. I use it as an smtp server sendinblue. I can send emails from webmail, but I don’t receive emails back. my cloudflare dns [https://i.imgur.com/Ldkycns.png](https://i.imgur.com/Ldkycns.png) What exactly did I do wrong? ---
**Author:** ![eris](https://forum.hestiacp.com/user_avatar/forum.hestiacp.com/eris/32/1241_2.png) [@eris](https://forum.hestiacp.com/u/eris)\ **Post date:** [April 3, 2023, 7:09pm UTC](https://forum.hestiacp.com/t/webmail-cloudflare-and-smtp-website/9268/2 "2023-04-03T19:09:32Z")
It is missing [mail.domain.com](http://mail.domain.com) and it should be DNS only ---
**Author:** ![a99](https://forum.hestiacp.com/letter_avatar_proxy/v4/letter/a/2bfe46/32.png) [@a99](https://forum.hestiacp.com/u/a99)\ **Post date:** [April 3, 2023, 7:53pm UTC](https://forum.hestiacp.com/t/webmail-cloudflare-and-smtp-website/9268/3 "2023-04-03T19:53:39Z")
[![](https://i.imgur.com/ZQivVRv.png) ](https://i.imgur.com/ZQivVRv.png) I add and its the same…no work. ---
**Author:** ![eris](https://forum.hestiacp.com/user_avatar/forum.hestiacp.com/eris/32/1241_2.png) [@eris](https://forum.hestiacp.com/u/eris)\ **Post date:** [April 3, 2023, 8:00pm UTC](https://forum.hestiacp.com/t/webmail-cloudflare-and-smtp-website/9268/4 "2023-04-03T20:00:08Z")
What is the domain you are using? ---
**Author:** ![eris](https://forum.hestiacp.com/user_avatar/forum.hestiacp.com/eris/32/1241_2.png) [@eris](https://forum.hestiacp.com/u/eris)\ **Post date:** [April 3, 2023, 8:33pm UTC](https://forum.hestiacp.com/t/webmail-cloudflare-and-smtp-website/9268/6 "2023-04-03T20:33:11Z")
RSA\_PSS\_RSAE\_SHA256\_\_AES\_256\_GCM:256 CV=no: SMTP error from remote mail server after RCPT TO:[info@xxxx.cloud](mailto:info@xxxx.cloud): 550-Rejected because xxxxx is in a black list at [zen.spamhaus.org](http://zen.spamhaus.org)\n550 Error: open resolver; [DNSBL Error Code - Open/public resolver - The Spamhaus Project](https://www.spamhaus.org/returnc/pub/your.ip) See: > [@Spamhaus has gone mad](https://forum.hestiacp.com/t/spamhaus-has-gone-mad/7223): > > I haven’t got to the bottom of this yet, but thought I’d post about it in case anyone else is affected. A client running Hestia was complaining about not receiving mail. When I replied asking for more information, my own mail was rejected from his server saying my IP was banned at [zen.spamhaus.org](http://zen.spamhaus.org). However when I went to check at [https://check.spamhaus.org/](https://check.spamhaus.org/) its not listed. IP and all associated domain names are clear. I can’t figure out what’s going on. In the meantime, I’ve edited /etc/exim/dn… ---
**Author:** ![a99](https://forum.hestiacp.com/letter_avatar_proxy/v4/letter/a/2bfe46/32.png) [@a99](https://forum.hestiacp.com/u/a99)\ **Post date:** [April 3, 2023, 9:41pm UTC](https://forum.hestiacp.com/t/webmail-cloudflare-and-smtp-website/9268/7 "2023-04-03T21:41:26Z")
To remove spamhaus from the “dns blocklist” ```auto sed -i "/zen.spamhaus.org/d" /etc/exim4/dnsbl.conf systemctl restart exim4 ``` Work \<3 thanks you so much . ---
**Author:** ![system](https://forum.hestiacp.com/uploads/default/original/1X/d9a5b68bf50ced83e880b56452e592b204761b19.png) [@system](https://forum.hestiacp.com/u/system)\ **Post date:** [May 3, 2023, 9:42pm UTC](https://forum.hestiacp.com/t/webmail-cloudflare-and-smtp-website/9268/8 "2023-05-03T21:42:19Z")
Closed on May 3, 2023, 9:42pm UTC This topic was automatically closed 30 days after the last reply. New replies are no longer allowed.