Support Guides

Mail Guides

Setting up and managing email across all hosting services, including third-party mail clients and applications.

Email attachment size limits explained

The maximum size for one email, attachments included, is 50MB. Encoding makes attachments larger in transit, so a 40MB file can push a message over 50MB. Many recipient mail servers reject messages over 20MB, so smaller attachments deliver more reliably. For…

Build an automated mail responder with n8n

Build the responder in n8n as a chain of nodes: an inbox trigger over IMAP, a Markdown converter, a DeepSeek summariser, a GPT-4o-mini classifier, an OpenAI writer, a DeepSeek reviewer and a Send Email node. Emails classed as company information requests pull…

How to manage your email account settings in webmail

After logging in to webmail, the landing page shows a tile for each account setting, with no need to open Roundcube. Change the mailbox password under Password & Security, then update it in any connected mail apps. Three tiles automate incoming mail:…

How to change MX records in cPanel

In cPanel, open Zone Editor under Domains, click Manage beside the domain and filter by mail exchange (MX) records. Edit the existing record or add one, entering your provider's priority and the mail server's hostname, never an IP address. Lower priority…

PHP mail() vs SMTP: what’s the difference?

PHP mail() sends messages straight from the web server without logging in to any mail account. Simple Mail Transfer Protocol (SMTP) sends through a real mail account with a username and password, so receiving servers can verify the sender. Messages from…

How to transfer emails using Outlook

In Outlook, go to File, Open & Export, Import/Export, then Export to a file and choose Outlook Data File (.pst). Tick Include subfolders so your folder structure is exported with the messages. Once the new mailbox is added to Outlook, run the same wizard with…

How to change your Plesk contact email

Click your account name in the top right corner of Plesk and choose Edit Profile. Replace the address in the Email field, then click Apply. An address in the External email field acts as a backup for notifications. An address hosted away from the Plesk server…

How to use POP3 for email

Choose Post Office Protocol version 3 (POP3) in your email client when you read mail on a single computer. POP3 downloads new messages to your device and, by default, deletes them from the server. Downloaded messages stay readable without an internet…

How to fix greyed out emails in Roundcube

Open the account's webmail from Email Accounts in cPanel using Check Email, then click the Settings cog in Roundcube. Under Server Settings, tick Compact Inbox on Logout and click Save. Log out and back in so Roundcube rebuilds its message index, which clears…

How to secure email with SSL in Plesk

In Plesk, open your domain's SSL/TLS Certificates page under Security, click More Options and choose the free Let's Encrypt certificate. Tick 'Assign the certificate to the mail domain' before clicking Get it free. Mail Access should then show as Secured…