FAQ
Spam, deliverability and email problems
SPF, DKIM and DMARC, unsolicited email, sending limits and what to do when emails do not arrive.
- Unsolicited mail (spam)How to configure the spam folder, turn off anti-spam and manage allowed and blocked senders so you do not lose legitimate messages.
- SPF, DKIM and DMARC: why your emails end up in spamWhat the email authentication records SPF, DKIM and DMARC are, how they look in DNS, and how to check that they are set up correctly.
- Email sending limits and newslettersHow many emails one mailbox can send per day, what counts toward the limit, and why newsletters belong in a dedicated mailing service.
- Problems sending or receiving emailsHow to find the cause when email is not being sent or received: email client, webmail, PHP, lost messages and common error messages.