Email

Mailboxes, mail clients, webmail, spam filtering, forwarding and deliverability.

43 guides in this section.

Best Practices for Mailing Lists to Avoid Spam FlaggingKeep newsletters and bulk mail out of spam folders with double opt-in, one-click unsubscribe, SPF, DKIM and DMARC,...

How to Set Up Email in Microsoft OutlookAdd a Noiz mailbox to classic Outlook, new Outlook or Outlook for Mac with a manual IMAP setup, using the correct...

Android

How to Read, Send and Delete Email on AndroidRead, send and delete email in the Gmail app on Android, manage notifications and sync, and learn how IMAP and POP3...

How to Set Up Email on AndroidThis guide shows you how to add your domain email address, sometimes called a mailbox or email account, to the Gmail...

Email Security

How to Protect Your Domain from Spoofing and Improve Email DeliverabilityProtect your domain from spoofing and improve deliverability by publishing SPF, DKIM and DMARC records, then moving...

How to Use ChatGPT, Claude and Copilot Safely with Your EmailWhich AI assistants can connect to a mailbox on your own domain, and how to use ChatGPT, Claude, Copilot or Gemini...

Email Troubleshooting

How to Find and Read Full Email Headers for DiagnosticsReveal full email headers in Roundcube, Outlook, Thunderbird, Apple Mail and Gmail, read the key lines, and send a...

How to Fix the Webmail Error 'Invalid Request. No Data Was Saved.'Find out why webmail shows 'Invalid request! No data was saved.' after an idle session expires, and clear it by...

Why Is My Email Not Working? An Email Troubleshooting GuideDiagnose email that will not send, receive or sign in, starting with a webmail test, then fix wrong ports, rejected...

Why Outlook Mailboxes Over 50 GB May Cause Corruption IssuesLearn why Outlook data files over 50 GB slow down, fail to sync and corrupt, and how archiving and limiting cached...

Why Some Email Apps Stop Working After a Mail Security UpgradeFind out why an older email app or device suddenly refuses to connect after a mail security upgrade, and which secure...

Winmail.dat Attachments: Cause, Impact and Fixes (Microsoft TNEF)Seeing winmail.dat instead of normal attachments? Learn why Outlook or Exchange sends mail in TNEF format and how the...

Encryption

How to Encrypt Email in Outlook with Gpg4win and OpenPGPAdd OpenPGP end-to-end encryption to classic Outlook on Windows with the free Gpg4win suite: create your key pair in...

How to Encrypt Webmail with Mailvelope and OpenPGPAdd OpenPGP end-to-end encryption to Noiz webmail (or Gmail and others) with the Mailvelope extension: authorise your...

How to Use OpenPGP Encryption on Android with ThunderbirdRead and send OpenPGP encrypted email on an Android phone: install an OpenPGP provider app, move your key across...

Why and How to Encrypt Your Email with OpenPGPStandard email is stored readable on every server it touches. OpenPGP end-to-end encryption fixes that: how it works,...

Spam & Filtering

How to Create a Global Email Filter in cPanelCreate a global email filter in cPanel that discards, redirects or files matching messages for every mailbox on the...

How to Create a User-Level Email Filter in cPanelCreate a user-level email filter in cPanel that sorts, redirects or discards incoming mail for one mailbox, choose a...

How to Delete a Global Email Filter in cPanelRemove a global email filter in cPanel, and understand how deleting an account-level rule changes the way mail is...

How to Delete a User-Level Email Filter in cPanelDelete a user-level email filter from one mailbox in cPanel, and see why the change is permanent, affects only that...

How to Determine the Source of Spam and Reduce ItRead message headers to find where spam comes from, spot a spoofed address or compromised account, and reduce spam by...

How to Edit a Global Email Filter in cPanelEdit an existing global email filter in cPanel to change its rules, actions or name for every mailbox on the account,...

How to Edit a User-Level Email Filter in cPanelChange the rules, action or name of an existing user-level email filter in cPanel for a single mailbox, and confirm...

How to Enable Apache SpamAssassin and Spam Box in cPanelSwitch on Apache SpamAssassin spam filtering in cPanel, send flagged mail to a Spam Box folder, and tune the spam...

How to Enable BoxTrapper in cPanelEnable BoxTrapper challenge-response filtering on a cPanel mailbox, weigh up its trade-offs, and manage its...

How to Forward an Email as an AttachmentForward a suspicious email as an attachment from Outlook, Thunderbird, Apple Mail, Gmail or webmail so Noiz support...

How to Identify Spam and Phishing EmailsSpot phishing and spam by checking the sender address, links, branding and urgency, learn why passing SPF and DKIM...

Thunderbird

How to Add an Email Account in Mozilla ThunderbirdAdd a Noiz mailbox to Mozilla Thunderbird with automatic setup or the manual IMAP and SMTP settings, and fix common...

How to Check for New Email in Mozilla ThunderbirdCheck for new mail on demand in Mozilla Thunderbird, set how often it checks on its own, turn on instant IMAP...

How to Create a Professional HTML Email Signature in ThunderbirdBuild a professional HTML email signature in Mozilla Thunderbird from a ready-made template, install it, and decide...

How to Delete Email Messages in Mozilla ThunderbirdDelete email in Mozilla Thunderbird, restore it from Trash, empty Trash to free mailbox quota and compact folders to...

How to Forward an Email in Mozilla ThunderbirdForward an email in Mozilla Thunderbird, choose between inline and attachment forwarding, send several messages at...

How to Organise Your Email with Folders and Filters in ThunderbirdOrganise your mailbox in Thunderbird with folders, message filters, tags, saved searches and the archive, and see how...

How to Remove an Email Account in ThunderbirdRemove an email account from Thunderbird without losing mail, decide whether to keep its local data, and clear the...

How to Reply to Email in Mozilla ThunderbirdReply to email in Mozilla Thunderbird, choose between Reply, Reply All and Reply List, check the From address, and...

How to Send an Email Using Mozilla ThunderbirdCompose and send email in Mozilla Thunderbird, pick the right From address, stay within attachment size limits, and...

How to Send Encrypted and Signed Email with OpenPGP in ThunderbirdSend encrypted and digitally signed email with OpenPGP in Thunderbird: per-message controls, account defaults,...

How to Set Up Email in ThunderbirdAdd your existing Noiz mailbox to Mozilla Thunderbird with automatic or manual IMAP setup, and find the exact server,...

How to Set Up OpenPGP Encryption Keys in ThunderbirdSet up OpenPGP end-to-end encryption keys in Thunderbird: generate and back up your key pair, protect it with a...

The Best Thunderbird Settings to Configure FirstTune Thunderbird for an IMAP mailbox with the settings that matter first, from folder subscription and offline sync...

Why and How to Switch to ThunderbirdSee why Thunderbird suits large mailboxes and how it compares with other email clients, then set up a clean IMAP...

iOS/Apple

How to Check for New Email on iPhone or iPadThis guide shows you how to check for new email in the Mail app on an iPhone or iPad, and how to control how often...

How to Set Up Email on iPhone or iPadAdd your hosted mailbox to the Mail app on iPhone or iPad with manual IMAP settings, then check the SMTP port and SSL...