Unable to send mails from the website


I am unable to send mails from the website using PHP mail function.

If I send the mail from an email to another email on my domain it works fine. However, on sending from the site, the mail is not received. On checking at I noticed the errors highlighted in red

As an example, my domain name can be considered as

On checking hostname it shows the correct domain name and my fqdn is the same as my domain name.

Please help.

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Bobby Iliev
Site Moderator
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July 14, 2023

Hi there,

For anyone who comes across this in the future, using PHP mail might be quite unreliable as stated in the question.

Also keep in mind that port 25 might be closed for new accouts as described here:

Dedicated email deliverability platforms are better at handling deliverability factors like IP reputation. To send mail from DigitalOcean, we recommend using SendGrid:



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