Email help
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How to scan to email
Send a paper document by email using a printer, an iPhone, an Android phone, Windows or a Mac.
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How to make a business email
Get you@yourbusiness.com: pick a domain, choose a provider, and set it up, with current prices.
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How to encrypt email in Outlook
Exact steps for new Outlook, classic Outlook, Outlook.com and Microsoft 365, and what the recipient sees.
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Where is the spam folder in Gmail?
Find Gmail's Spam folder on a computer, Android or iPhone, and rescue real emails stuck there.
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Where is the junk folder in Outlook?
Find Junk Email in every version of Outlook, mark messages Not junk, and stop it happening again.
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Email name ideas
Simple formulas for a personal or business email name that is easy to say, spell and remember.
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How to send encrypted email in Gmail
What Gmail already encrypts, how to use Confidential mode, and when you need S/MIME.
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Professional email sign-offs
The right closing for every kind of email, from "Best" to "Thanks in advance", and which ones to avoid.
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How to write an email
A simple 6-part structure that works for work, school and personal email, with copy-ready examples.
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Best email app for iPhone
Apple Mail, Gmail, Outlook, Spark, Proton and more, compared by price, strengths and catches.
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How to format an email
Layout, spacing, fonts, bullet points and subject-line capitalization, the way readers expect.
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Out-of-office message examples
Copy-ready out-of-office replies for vacation, sick days, holidays and leave, plus setup in Gmail and Outlook.
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Best free email services
Gmail, Outlook.com, Yahoo, Proton, iCloud, Zoho and more: free storage, limits and who each suits.
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Is spam the same as junk mail?
What the words mean, why your email app uses one or the other, and where the word "spam" came from.
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Free email with your own domain
Three ways to get name@yourdomain.com for free or nearly free, and the catch with each.
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Is EmailNa a temporary email service?
No. How emailna.net differs from look-alike throwaway domains such as emailna.co, and how to block them.
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Best email client for Linux
Thunderbird, Betterbird, Evolution, Geary, KMail, Mailspring and terminal clients compared, with which to pick.
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Is a Gmail address taken?
The only reliable way to see if a Gmail username is free, the username rules, and what to try when yours is taken.
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How to pin an email in Gmail
Gmail has no pin button. The Starred first inbox keeps chosen emails at the top instead.
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Activation email not arriving?
Why sign-up confirmation and activation emails do not show up, how to get a new one, and how to tell a real one from a scam.
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Valid email characters and length
Which characters an email address may contain, maximum length, and whether hyphens, dots and plus signs are allowed.
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Gmail aliases and plus addressing
Free Gmail aliases with + and dots, how "Send mail as" works, why aliases stop working, and the 2027 change.
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Create a Yahoo email account
Step by step sign-up for a free Yahoo Mail address, what you need, and what storage you get in 2026.
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Create a Gmail account
Make a new Gmail address step by step, with or without a phone number, plus a second account for work or a child.
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Was my email in a data breach?
How to check if your email address or passwords were leaked, and the five things to do right away if they were.
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Send an email anonymously
The honest options for sending email without your name or real address on it, and what can still identify you.
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Free email without a phone number
Which email providers let you sign up without giving a phone number in 2026, and which always ask.
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Gmail SMTP settings
Gmail SMTP, IMAP and POP server names and ports, app passwords, the Workspace SMTP relay, and sending limits.
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Business email hosting compared
Google Workspace, Microsoft 365, Zoho, Proton, Fastmail and budget hosts compared by price, storage and who each suits.
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"We can't verify this email came from the sender"
What the Outlook unverified-sender warning means, whether the email is dangerous, and how senders make it go away.
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Create a new folder in Outlook
Make folders and subfolders in new Outlook, Outlook.com, classic Outlook, Outlook for Mac and the Outlook phone app.
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Email signature examples
Copy-ready signatures for students, job seekers, CEOs and small businesses, and how to add one in Gmail and Outlook.
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Create a group email in Gmail
Make a contact group (label) so you can email everyone by typing one name, or set up a Google Group as a mailing list.
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Create a contact group in Outlook
Steps for a contact list or contact group in new Outlook, Outlook.com and classic Outlook, so you can email everyone at once.
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Select all emails in Gmail
Select every email in a folder or search on a computer, and in the Gmail app about 50 at a time.
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Gmail folders, labels and rules
Gmail uses labels instead of folders. How to make a label, move emails into it and create rules (filters) that sort mail for you.
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Delete emails in bulk in Gmail
Delete thousands of old or unwanted emails at once with searches, select-all and a few safety checks.
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Recover deleted emails in Gmail
Where deleted Gmail messages go, how to get them back within 30 days, and what to try if they are missing.
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Sort Gmail by sender
Gmail has no sort-by-sender button. Four ways to see every email from one person in seconds.
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Can't sign in to Gmail? Fixes
What to do when Gmail will not let you in, will not load, or the app stops syncing.
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The history of email
From a 1965 MIT computer to 4.6 billion users: who invented email, the first spam, and every major email service.
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Webmail vs email: the difference
Email is the system; webmail is reading it in a browser; an email app is a program on your device. When to use each.
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How to schedule an email
Schedule emails in Gmail, Outlook, Apple Mail, Yahoo and more, which services cannot, and the best reasons to send later.
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Write emails by voice
Dictate emails instead of typing on Windows, Outlook, Mac, iPhone and Android, plus the words that add punctuation.
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Why attachments go to spam
Why emails with attachments are treated as risky, the file types Gmail and Outlook block, and how to send files without landing in spam.
- Email help
What is an .eml file?
The format, what is inside one, and how to open it.
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How to open an .eml file
On Windows, Mac, iPhone or Android, with or without Outlook.
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What is an MHT (MHTML) file?
The web archive format, why it looks like an email, and how to open it or convert it to PDF.
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.eml vs .msg
The difference between the two email file formats, and which to use.
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How to convert an .eml file to PDF
Free, without uploading the email anywhere.
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How to save an email as a PDF
In Outlook, Gmail or on your phone.
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Is this email legit?
A 60-second checklist to tell a real email from a scam.
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Remove duplicate emails in Outlook
Three ways, from the built-in Clean Up tool to exporting the list.
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How to find someone's email address
Where people publish it, company email patterns, and checking a guess.
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How to find unread emails in Gmail
The is:unread search, the Unread first inbox, unread by label or date, and mark all as read, on a computer or phone.
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Who does this email address belong to?
Legitimate ways to find out who is behind an email address, what you can’t find out, and how to spot a scam.
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What does CC mean in email?
CC and BCC explained: who sees what, how reply-all works, when to use each, and how to add them in Gmail and Outlook.
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How to create rules in Outlook
Step-by-step rules for new Outlook, classic Outlook and Outlook on the web, ready-made recipes, and fixes for rules that don't run.
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"To Whom It May Concern"
When it's fine, better ways to email someone whose name you don't know, capitalization, and templates to copy.
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Email greetings
Formal and casual openers, the "Hi Name," comma, and how to address two or more people, with examples to copy.
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How to email a professor
Subject lines, greetings and sign-offs, plus templates for being sick, extensions, questions, recommendation letters and follow-ups.
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What is an email address?
The definition of email, the three parts of an address, real examples, common mistakes, and how to get one.
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What is an email thread?
How threads and conversation view work, and how to turn threading on or off in Gmail and Outlook.
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IMAP, POP3 and SMTP ports
What ports 143, 993, 110, 995, 25, 465 and 587 are for, which to use in a mail app, and how to fix connection errors.
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Email or e-mail?
Which spelling style guides use, plus the plural, the verb form, and when to capitalize Email.
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How to add a GIF to an email
Put an animated GIF in the body of an email in Gmail, Outlook and Apple Mail, keep it small, and fix GIFs that won't play.
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Create an email template in Outlook
Save reusable emails with My Templates, Mail templates and .oft files in new Outlook, classic Outlook, the web and Mac.
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Change your Outlook password
Change or reset your Outlook.com, Hotmail or Microsoft account password with Microsoft's official steps, and avoid fake reset pages.
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What is a burner email?
Burner, disposable and temporary emails explained: legitimate uses, the risks, safer alias options, and why sites block them.
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Email subject lines
Clear subject lines for questions, requests, follow-ups, meetings, job applications and sales, plus capitalization and length rules.
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How to start an email
Greetings, first lines and templates for introducing yourself, with 40+ opening lines to copy.
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Funny email sign-offs
80+ fun, witty, passive-aggressive and "unhinged" closings grouped by vibe, plus when not to use them.
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Are email addresses case sensitive?
What the email standard says about capital letters, what happens in practice, and why lowercase is still the safe choice.
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Change your Gmail address
Whether Google lets you change your @gmail.com address, the steps and limits, and alternatives like a new account, forwarding or a new display name.
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Gmail not receiving emails?
A 10-step checklist: Spam, All Mail, filters, blocked senders, forwarding, storage, outages and sender problems.
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Email attachment size limits
Gmail, Outlook, Microsoft 365, Yahoo and iCloud limits from official pages, plus how to send bigger files.
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Recover an email account
Official recovery steps for Gmail, Outlook, Yahoo and iCloud, recovery-scam warnings, and how to prevent lockouts.
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What is Ymail?
ymail.com and rocketmail.com are Yahoo Mail domains. Where they came from, whether they still work, and how to sign in.
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Attach an email in Outlook
Attach one or more emails to a new message in new Outlook, classic Outlook and Outlook on the web.
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What is SMTP?
What SMTP is, how an email travels, which ports it uses, and how it differs from IMAP and POP3.
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Outlook conversation view
Turn conversation view on or off in new Outlook, Outlook on the web, classic Outlook and the phone app.
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Gmail app password
Create a 16-character app password for printers, plugins and older apps, and fix a missing App passwords option.
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What is privaterelay.appleid.com?
The random Apple Hide My Email addresses from Sign in with Apple: what they are and how to email them.
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Most secure email providers
Proton Mail, Tuta, Gmail, Outlook and iCloud compared, what encryption protects, and how to lock down any account.
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Mailer-daemon in Gmail
Gmail's bounce notices explained: what the error means, what to do, and why you get them for emails you never sent.
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Add email to iPhone
Add Gmail, Outlook, Yahoo or work email to the iPhone Mail app, set it up by hand, or remove it.
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Best fonts for email
Web-safe fonts that look right everywhere, the right sizes, and what happens to custom fonts.
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Unroll.me alternatives
How Unroll.me uses your data, and free built-in ways to unsubscribe in bulk in Gmail, Outlook and Apple Mail.
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Typo in an email
When to unsend, when to let it go, and short correction emails for wrong dates, links and names.
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Email to text
Carrier email-to-text gateways are shutting down. What still works, and what to use instead.
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Reply to a confirmation email
Short replies to interview, meeting and appointment confirmations, and when not to reply.
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Out of office in Gmail
Turn on Gmail's vacation responder on a computer, iPhone or Android, with message examples.
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How to unsend an email
Undo in Gmail, Outlook and Apple Mail, when Outlook recall works, and what deleting a sent email does.
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Reply vs reply all
The difference, when to use each, and how to avoid reply-all mistakes.
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Address two people in an email
Greetings for two people, small groups and teams, formal and informal, plus what to avoid.
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How to report phishing emails
Report phishing in Gmail, Outlook, Yahoo and Apple Mail, where to forward it, and what to do if you clicked.
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Email bombing
Why your inbox is suddenly flooded, the scam it often hides, and how to stop it.
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Out of office in Outlook
Turn on automatic replies in new Outlook, Outlook on the web, classic Outlook, Mac and the phone app.
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Email reply format and samples
The simple reply format and short replies you can copy for common situations.
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What is email?
A plain-English definition, how email travels, its parts, and a short history.
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/s/ signature
What /s/ before a name means, how to write it, and whether it counts as a legal signature.
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Send photos and attachments by email
Attach photos and files on iPhone, Android, Gmail and Outlook, and send files that are too big.
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Attach an email in Gmail
Forward as attachment or drag emails into a new message, with phone options.
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Does Hotmail still exist?
Hotmail became Outlook.com, but the addresses still work. How to sign in and recover an old account.
For senders
- For senders
Verify an email address free
Five free ways to check one address or a small list, what each check can and cannot tell you, and when to pay.
- For senders
Check if an email is valid
How to test whether an address is real without sending anything, and what each result means.
- For senders
Soft bounce vs hard bounce
The difference, the error codes behind each, and exactly what to do with each type.
- For senders
NeverBounce vs ZeroBounce vs Veml
Prices, free credits, result types and guarantees side by side, checked against each company's own pages.
- For senders
B2B sales email verification
How sales teams verify prospect emails, handle catch-all company domains, and stay within the law.
- For senders
How many cold emails per day?
Safe daily limits per inbox and per domain, Gmail and Workspace hard limits, and how to ramp up.
- For senders
How to clean an email list
A 7-step routine to remove bad, risky and inactive addresses before your next send.
- For senders
Email bounce-back messages
What "Address not found" and "Delivery has failed" mean, how to read them, and how to fix the cause.
- For senders
Email list hygiene best practices
The habits that keep a list healthy all year: double opt-in, sunset policies, and avoiding spam traps.
- For senders
Primary domain vs cold email domain
Why outreach usually goes out from a separate domain, how to name it, and how to set it up properly.
- For senders
EmailHippo alternatives
What EmailHippo costs and offers, and when NeverBounce, MillionVerifier or Veml fits better.
- For senders
MillionVerifier alternatives
How MillionVerifier charges, its refund guarantee and its limits, plus other options.
- For senders
Email verification statuses explained
Valid, invalid, catch-all, unknown, disposable, role, spam trap: what each means and what to do.
- For senders
Spot disposable email addresses
How to tell a throwaway address from a real one, why it hurts your list, and how to keep them out.
- For senders
Email deliverability checklist
Everything Gmail, Yahoo and Outlook check before they decide inbox or spam, in one list.
- For senders
Email many people without showing addresses
Use Bcc in Gmail and Outlook, the recipient limits, and when to switch to mail merge or a newsletter tool.
- For senders
The history of email marketing
From the first spam in 1978 to Mailchimp, Klaviyo and today's sender rules: every major email marketing service and the billion-dollar deals.
- For senders
Subject lines and spam words
What really sends email to spam, the words and habits to avoid, and subject lines that get opened, with before-and-after examples.
- For senders
What is BIMI?
How brands get their logo next to their emails in Gmail, Yahoo and Apple Mail, what it requires, and whether it is worth it.
- For senders
Email header fields explained
What every common email header means, from Received and Return-Path to Message-ID, References and List-Unsubscribe.
- For senders
SMTP conversation explained
A real SMTP session line by line: EHLO, STARTTLS, AUTH, MAIL FROM, RCPT TO, DATA and the reply codes in between.
- For senders
TLS vs STARTTLS
Port 465 vs 587, implicit TLS vs STARTTLS, and why encryption in transit is not the same as end-to-end encryption.
- For senders
Why forwarding breaks SPF and DMARC
Why forwarded mail fails SPF, when DKIM survives, what ARC and SRS do, and how to forward without losing mail.
- For senders
Email encoding explained
MIME, Base64, quoted-printable and UTF-8: how email carries attachments and special characters, and why garbled text happens.
- For senders
Remove duplicate emails in Excel and Google Sheets
Find and delete repeated addresses in a spreadsheet.
- For senders
Send an email to many people individually
Bcc, Gmail mail merge and Outlook with Word, plus sending limits.
- For senders
When to suppress inactive subscribers
A simple sunset policy and how to remove suppressed addresses.
- For senders
How to mail merge from Excel to Word
Letters, labels and emails from an Excel list with Word’s Mailings tab, plus fixes for dates and ZIP codes.
- For senders
Mail merge in Outlook
Send personal emails from Word through Outlook, what works in new Outlook, and the attachment problem.
- For senders
What is mail merge?
What a mail merge does, what you need, real examples, and the easiest way to do one.
- For senders
How to write a follow-up email
Timing, subject lines, how many to send, and templates for no response, meetings, sales, job applications and unpaid invoices.
- For senders
Personal email domains list
83 free and personal email domains (Gmail, Outlook, Yahoo, iCloud, Proton and more) to copy or download as .txt or .csv.
- For senders
What is a mailing list?
Mailing lists, listservs and newsletters explained: how they work, how to start one, and how to keep it clean.
- For senders
SPF, DKIM and DMARC explained
What each record does in plain English, with examples, alignment, a safe DMARC rollout and the bulk-sender rules.
- For senders
No DMARC record found
What both DMARC warnings mean, how to add a record in minutes, and how to move safely to quarantine and reject.
- For senders
DKIM fail
Why DKIM fails, how to check it is on, and how to set it up in Google Workspace and Microsoft 365.
- For senders
Disable Direct Send
What Direct Send is, why attackers abuse it, and how to turn on Reject Direct Send safely.
- For senders
Email preheader text
What preview text is, how long it should be, and 40 preheader examples and CTA phrases to copy.
- For senders
Subject line capitalization
Title case or sentence case? When each fits, examples side by side, and why ALL CAPS hurts.
- For senders
Emojis in subject lines
Where emojis display, how to use them well, accessibility tips, and examples.
- For senders
Mail tester
How to score your email with mail-tester.com, what the score means, and other free checks before a big send.
- For senders
Email marketing tools
Mailchimp, MailerLite, Brevo, Kit and Constant Contact free plans compared, and how to choose.
- For senders
Product launch email sequence
A 6-email launch sequence with timing, subject lines and a launch-day template.
- For senders
How to write a newsletter
A simple structure, a template, content ideas and subject lines for small business and company newsletters.
- For senders
How to build an email list
Sign-up forms, opt-in offers, permission, and why never to buy a list.
- For senders
Catch-all email addresses
What an accept-all domain is, why no checker can confirm the person, and how to email those contacts safely.
- For senders
"Unknown" email verification results
Why a checker sometimes gets no clear answer, how Unknown differs from Invalid and catch-all, and what to do.
- For senders
Why verification results change
A check is a snapshot. Why addresses that passed can bounce later, and when to check again.
- For senders
Role-based email addresses
When info@, sales@ and support@ belong on your list, when they don't, and how to find them fast.
- For senders
Find and fix typos in an email list
Spot gmial.com, yahooo.com and gmail.con in a spreadsheet, fix the safe ones and check the rest.
- For senders
Merge contact lists
Line up columns, match on email, keep the best details from each list and never lose an unsubscribe.
- For senders
Prepare a contacts CSV for import
One header row, clean columns, safe ZIP codes and dates, UTF-8 and a 10-row test before the full import.
- For senders
Clean a Mailchimp audience
Export, tidy, check and archive the bad addresses in Mailchimp, using Mailchimp's real menu names.
- For senders
Clean your list before switching platforms
Moving to a new email tool? Export everything, keep your unsubscribes, match fields and check addresses before the first send.
- For senders
What is a suppression list?
Unsubscribes, bounces and complaints: why you keep them forever and how to remove them from any list.
- For senders
Stop fake and bot signups
Spot bot signups, add double opt-in, a honeypot and a CAPTCHA, and clean out the fakes already on your list.
- For senders
Split an email list into batches
When to split a list, the published Gmail, Workspace and Outlook.com sending limits, and how to split in a spreadsheet.