Email not arriving or not sending
A checklist for the most common causes: quota, MX records, password, program settings and spam.
First work out which problem you have: you do not receive mail, you cannot send, or messages end up in spam at the recipient.
You do not receive mail#
- Check webmail (Webmail login). If the message is there, the problem is in your program or phone.
- Check the quota: a full mailbox rejects mail. See Mailbox quota.
- Check MX records in Zone Editor: they must point to the server that receives your mail. If the domain uses someone else's nameservers, MX is edited there.
- Check filters and forwarders in Email Filters and Forwarders; a rule may delete or redirect messages.
- Check the spam folder.
You cannot send mail#
- Check the outgoing (SMTP) server settings and that authentication is on: Email on your phone, Outlook and Thunderbird.
- Check the password. If you changed it, update it in all programs.
- Many home networks and public Wi-Fi block certain ports; try another network.
- The server limits the number of messages per hour to protect against abuse; the limit depends on server settings.
Messages end up in spam#
Check SPF, DKIM and DMARC in Email Deliverability and avoid bulk sending from an ordinary mailbox.
Error message#
The bounce message usually states the cause clearly, e.g. mailbox full or user unknown. Read it to the end.
If the problem remains, open a ticket or write to support@scyhost.com. Include the sender and recipient addresses, the time of sending and the error text; see What to include in a ticket. Never send your password.
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Artículos relacionados
SPF, DKIM and DMARCWhat these records are, how to check they are enabled and how to keep your mail out of spam.Mailbox quotaHow to check mailbox usage, free up space and change an address's quota.Opening a ticketHow to send a request to support through the ticket system or by email.What to include in a ticketA list of details that speed up resolution: domain, exact error, steps, time and screenshots.