Fix Email Issues in CyberPanel with SMTP Relay Setup (Free Method)

Sendinblue is now called Brevo, the setup method is still basically the same 👍

This is usually a great improvement compared to trying to host your own SMTP server which is becoming very difficult in 2022.

This setup will solve most issues where your VPS can’t send email, often because some hosts block port 25. Also, some setups that don’t provide reverse DNS will end up with lots of your email in spam.

All commands used are on the Ideaspot blog here:

Email tutorial playlist is here:

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Alternatively, you can just avoid these issues: Good hosts that allow port 25 & provide reverse DNS (Vultr or Contabo for example)

Server setup tutorials:

Next video, I’ll set this up using HestiaCP (runs well on Oracle free tier with Ampere!)

0:00 Introduction
1:56 Prerequisites and alternative methods
3:07 Free SMTP options
3:30 Sendinblue setup
7:14 Ubuntu postfix smtp relay setup
10:44 Testing
11:32 Firewall ports needed - Tips for Oracle Users
12:28 Preview for next video

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[ammarr.]

Just discovered your channel a couple of days ago and I've learned so much, especially from the VPS series.
Thank you so much, please keep producing great content like this.

[CaSsOPUBG]

you always give what i want, all efforts are appreciated man, thanks.

[johnravi]

Hi Alex,

I have been facing some email issues with my website, and I think your video will be a great help in fixing it. With your help, I have been able to identify the problems and now I have solutions to fix them as well. I really learned a lot from your video, and I will be sharing this video within my network as well. I really hope it helps other people as well. Thanks a lot for sharing this amazing video, it was a great video!

[MichaelSharpTechniSmart]

Hi Alex, I have been a lurker for long enough ;-) I found this tutorial because I see Digital Ocean assigns the rDNS of the dropet instance. This is a terrible idea, but this solves the issue. Thank you from Aussie expat.

[ArjunSehgal]

Awesome. Thank you so much for this video. Waiting for the Hestiacp on Oracle arm video.

[engineerjohir]

Hi, thanks for the nice and super-effective videos. I found your all of videos well informative for the beginner, which is really outstanding.

[Digital.s]

Great video, thank you!!
Please more video like this 👍🏼

If I use Cloudflare, do I have to enter the text dns there as well?

[khalidelgazzar]

Great video. Used your other video (hestia + oracle arm processor)

[kher]

JUST WOW, you are a genius. THIS WAS A WONDERFUL SOLUTION. The prefect solution for vultr blocking your server from sending email. THANKS for you wornderful videos

[MrMosamman]

Thank you very much it's useful tutorial you helped me to solve a big problem 💝💝

[IsraelPaya]

Congratulations for your videos. They are always very helpful.
I configured a VPS server and also configured the emails through Sendinblue, as per your video, but the emails that are sent from all hostings on the server arrive at the PROMOTIONS folder in Gmail. Do you know if there is a way to avoid this? If not, how can I revert on the server?

[robertodiaz]

Great! I await the hestia tutorial with arm oracle! Thanks!

[EmreDUR]

Hello! Thanks for everything, your instructions are clear and you helped me a lot. I'm having a trouble though, I hope you can guide me to the solution. There is no ca-certificates file on my system even though I issued SSL for my domain. I'm using Cyberpanel on CentOS. I tried various methods on the internet as solution but I'm still getting TLS mismatch on the logs.

[shashikalnks]

Thank you so much. Great explanation. 🙏. How we connect an email with outlook? What are the incoming and outgoing servers?? Please be kind enough to give outlook settings 🙏

[erisonluo]

Hi Alex thanks for the video, been using your tutorial it works on webmail, but from the external mail client(outlook/thunderbird) should we use the brevo smtp login details too ?

[christopher]

At the very end when checking the test email "view original" what if dmarc failed, and also dkim pass but with domain send in blue instead of mine? I double checked my DNS Configuration and everything passed the configuration check in send in blue. What would be my steps to trouble shoot this? Thanks for the video!

[shyamfrancis]

Hi i appreciate the video. Can you kindly tell me how to solve the SMTP problem in the digital ocean server to run a ghost software blog.

[engineerjohir]

Hi, can you please share the video about AWS SMTP integration with CyberPanel

[nitin.jaiswal]

Waiting for hestiacp to install on oracle ampere 24gb ram, i tried to many time, but couldnt install it 😪

[mauamolat]

They have new Global SMTP Setup without doing via ssh or sftp but it doesn't work for me. Can you check that in the dashboard > logs > Mail Manager