Email clients and mail transfer agents. Questions about webmail are off-topic.

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363
votes
15answers
53k views

Does e-mail address obfuscation actually work? [closed]

Most of the time when I see someone post their email address online, especially if it's a personal address, they use something like me [at] example [dot] com instead of the actual email address ...
156
votes
8answers
151k views

What is the “You have new mail” message in Linux/UNIX?

Sometimes, when I log into a box and 'su' to root, I get a cute little message saying I have mail (thank GOD it's not AOL). Where is this mail? What does it contain? Who/What sent it? How important ...
82
votes
5answers
30k views

How can I find out where an email really came from?

How can I know where an email really originated from? Is there any way to find it out? I have heard about email headers, but I don't know where can I see email headers, in Gmail, for instance. Any ...
66
votes
9answers
14k views

What's the difference between cc and To fields in e-mail?

In most email clients you can send an e-mail to multiple recipients in the To: field by separating addresses by a semicolon. You can also use CC to send a copy to other people. Is there any ...
63
votes
7answers
38k views

Why does terminal say: “You have mail”?

Any idea why my Mac terminal says: You have mail in /var/mail/lofye How can I make it stop saying that every time I open terminal?
54
votes
3answers
15k views

Breaking the Outlook 2010 e-mail blue quote line for inline responses

UPDATE: I've finally figured out a way to comprehensively fix this problem, though it took a lot of work and the creation of an Outlook 2010 addin! See below for the addin download. As far as I'm ...
42
votes
2answers
24k views

How can you fake an email address?

Recently someone asked me whether an email she received was spam. It seemed to be from a well-known bank (Belfius.be) in Belgium. It stated that some information was outdated and that it needed ...
41
votes
2answers
4k views

How can an e-mail get lost?

It happened to me yesterday. Someone claimed she sent me an e-mail, but I did not get it. It's not in Inbox, Spam, Trash, etc.. it's nowhere. How is this possible (assuming there is no user error)? ...
38
votes
3answers
60k views

View full message headers on Outlook 2011 for Mac

How can I view the full headers of a message with Outlook 2011 for Mac?
36
votes
8answers
30k views

Can I create a link to a specific email message in Outlook?

I use Outlook as my email client at work, but I don't want to use it to manage my tasks and todos. (Instead I use plain text files and Emacs org-mode.) Since many todo items start out as mails in my ...
34
votes
3answers
14k views

How can I get Thunderbird to check subfolders on IMAP?

I have Thunderbird set up to use my Gmail account through IMAP. All works well and good, except for one problem: I have a group of gmail mail filters set up to redirect mail into different labels ...
34
votes
1answer
5k views

Why does Google call Thunderbird “less secure”?

I've never had problems using Gmail with Thunderbird yet, but while trying to use a free software client for Google Talk/Chat/Hangout I've discovered that, according to Google's document on "less ...
32
votes
8answers
20k views

Can Mozilla Thunderbird show sent replies in threaded view?

I would like for Thunderbird to show replies to threaded messages in with the received messages. Is this possible, even with an extension? The desired behavior would be something like how Zimbra's ...
29
votes
2answers
10k views

One GnuPG/PGP key pair, two emails?

I have two emails I use frequently, for both of which I'd like to use PGP keys generated/managed by GnuPG. I'd like to avoid creating a different key pair for each email, if possible, as that's ...
26
votes
6answers
1k views

Is BCCing e-mails guaranteed to be reliable?

In other words is it a safe assumption that no-one of recipients will ever see e-mails in BCC? What if the recipient is an administrator of his (but not sender's) mail server and can do any ...
26
votes
1answer
23k views

How do I view raw email headers in Outlook 2010?

Is it possible to view raw / complete email headers in Outlook 2010? In Outlook 2007 you could go to View > Options, or right click on a message, then select Options, and "Internet Headers" could be ...
25
votes
19answers
20k views

How can clients easily and securely send me passwords?

I often need to get passwords from clients for FTP, SSH, MySQL, Authorize.net, etc. What's an easy way for them to send me passwords securely? Maybe even without them needing a login/password? ...
24
votes
3answers
2k views

Configure Thunderbird to never send (or even try to send) HTML emails

Where can I tell Thunderbird always to send emails as plain-text, and never as HTML-formatted messages? I hate HTML-based email, and always do everything possible to send my emails as plain text. ...
21
votes
8answers
7k views

What are the differences between POP3 and IMAP?

Many email providers ask me if I'm interested in using POP3, or IMAP. What exactly are these and when should I consider using them?
19
votes
3answers
11k views

Safely get rid of “You have new mail in /var/mail” on a Mac?

I was messing around with sendmail in Rails a year ago and have had this message popping up in the terminal after every command ever since: You have new mail in /var/mail/Lance How do I properly ...
19
votes
2answers
14k views

What is 'IMAP+'?

In a new version of Evolution there is an option for an 'IMAP+' server type. What is IMAP+?
19
votes
2answers
20k views

Is there a wildcard for setting up an Outlook 2007 rule?

I would like to create a rule that moves anything with the words SUCCESS * BenchmarkResults, where the * indicates a wildcard to a specific folder. We have multiple systems that will be put in place ...
19
votes
2answers
10k views

Getting Gmail in Emacs?

I'm trying to learn Emacs, and I think that getting gmail right in it would be cool. I've tried a but of tutorials online, but I couldn't figure out what a lot of them were talking about. A lot of ...
18
votes
6answers
7k views

How do I make mailto: links open gmail in Ubuntu?

I've tried using this How-To Geek guide, but it doesn't work. Running the script from the terminal works (although I had to change its permissions first), but clicking on a mailto: link does nothing. ...
17
votes
12answers
25k views

How to prove that an email has been sent?

I have a dispute on my hands in which the other party (landlord's real estate agent) dishonestly claims to not have received an email that I truly did send. My questions is, what are the ways to ...
17
votes
3answers
13k views

How do you remove an account from Windows 8 Mail that “Needs Attention”?

I'm using Windows 8.1 Pro, and the Mail app has a Gmail account that "Needs Attention". I'd like to go ahead and remove it. I go to the Charms bar, Setting, Account, and find that Gmail account in ...
16
votes
1answer
2k views

How Is It Possible To Send Email Under Our Domain Name

Spammers or someone is sending emails using our domain. The emails are from a user we didn't create called regeniaberry67a@ourdomain.com.au. The email is to regeniaberry@ubtanet.com. The ...
16
votes
3answers
5k views

Thunderbird “undo send” feature (like in Gmail)?

I was wondering if there exists a thunderbird addon that gives similar functionality as Google's "undo send" feature? This basically just delays the sent message for a few seconds allowing the user ...
15
votes
4answers
45k views

How do I mark mail as read in Lotus Notes without actually opening the email?

How do I mark mail as read in Lotus Notes without actually opening the email? Every other email client I have used has this option somewhere. I am using Lotus Notes 8. Thank you.
15
votes
2answers
410 views

Why is @ in email address sometimes written as [at] on webpages?

Why is @ sometimes in webpages written as [at]? Does it have any specific reason ?
15
votes
4answers
9k views

Tell Thunderbird not to truncate or wrap lines when sending email

When I compose and send an email (I always write plain-text emails) in Thunderbird, it always truncates my sentences and adds line breaks in the middle of my sentences. How do I turn this feature ...
15
votes
3answers
27k views

Extract/save a mail attachment using bash

Using normal bash tools (ie, built-ins or commonly-available command-line tools), is it possible, and how to extract/save attachments on emails? For example, say I have a nightly report which ...
15
votes
3answers
12k views

Undo send email in Outlook

Is there an equivalent of Undo Sent Gmail feature in Microsoft Outlook? I believe that once that feature is enabled in Gmail the sending of email is postponed by 5 to 30 seconds (depending on ...
15
votes
2answers
3k views

How do I enable internet-style quoting in Outlook Web Access?

How can I enable internet-style quoting in Outlook Web Access? I have found several guides on how to enable it in Outlook but not a single one on Outlook Web Access. We are running version 8.1. I ...
14
votes
1answer
659 views

Why shouldn't we open an image in an email?

Most email clients do not display an image by default in the content of an email. But I don't understand this yet. How can displaying image job attack the computer?
14
votes
6answers
20k views

How do I get Thunderbird to open an ICS attachment directly in Lightning's calendar?

I'm using Mozilla Thunderbird 9.0.1 with Lightning 1.1.1. Is there an easier way to import an ICS file attached to an email than saving it to disk, then in Calendar going to File --> Open? If I ...
14
votes
3answers
10k views

Google two factor authentication rejects login from Thunderbird

Since I turned on the two-factor login in googlemail, I cannot login from Thunderbird anymore. (Before it was all fine.) What do I have to change in Thunderbird?
14
votes
6answers
6k views

How to back up gmail to my computer?

I am using gmail as a part of Google Apps for Domains. I'd like to back up all my email. I've tried setting up IMAP in Thunderbird and it works reasonably well (except it times out way too much, ...
14
votes
3answers
20k views

What does it mean to “subscribe” to an IMAP folder?

I'm using Thunderbird with Gmail IMAP and there's this "Subscribe" option for folders. What does that mean?
14
votes
2answers
733 views

Sending mail from the command line

Ok, I've looked far and wide for something to take care of this little email project I have. First, some background: My family has a secret santa every year and I've offered to write a script to ...
13
votes
4answers
2k views

Dead letter bin / black hole email address [on hold]

I'm looking for an email address that can be sent to where the mail will just be deleted without a bounce back. RFC 2606 defines example.com as a fictitious domain for documentation. Is there ...
13
votes
2answers
28k views

How can I make Microsoft Outlook 2013 automatically mark a message as read when it is clicked?

Normally, when I click on an unread message in Outlook 2013, the message remains in the unread state until I click on a different message. How can I make it so that it marks as read when I click on ...
13
votes
3answers
60k views

How can I export all email addresses I have sent to from Outlook or any other Email Client?

I would like to export a list of email addresses of people I have previously sent mail to. I don't think there is a way to do this without an add-in. I tried a tool called Gwabbit and it did not do ...
13
votes
1answer
5k views

How does S/MIME differ from PGP/GPG, for the purpose of signing and/or encrypting email?

In addition to the titular question, are the two technologies compatible? If so, under what circumstances? What are the relative benefits of the two technologies?
13
votes
2answers
5k views

HTML or rich e-mails do not work with Enigmal in Thunderbird

I would like to be able to receive HTML/rich e-mails, but since I installed Enigmail for Thunderbird, this has not been possible. All e-mails are shown as plain text or not shown at all. This has some ...
13
votes
4answers
13k views

Apple Mail doesn't apply rules unless I choose “Apply Rules” manually

I'm using Apple Mail with IMAP account. I have several filtering rules defined. The problem is that Mail doesn't apply them automatically to incoming email. Even spam isn't filtered automatically. ...
13
votes
6answers
13k views

How to copy all email addresses from an email in Thunderbird

Is there a way to automatically copy all the email addresses from an email's To, Cc, Bcc headers etc in Thunderbird? I am currently right clicking and doing "Copy Email Address" for each one but this ...
13
votes
3answers
11k views

Managing MS Exchange server-side email rules on Mac OS X?

Has anybody found an easy way to manage server-side rules from Mac OS X? Here's a brief list of what I know doesn't work: Entourage 2008 - it supports client rules, but not server rules. No good, ...
13
votes
2answers
6k views

Remove Quick Delete button in Outlook 2013?

In the "Compact" View of the Outlook 2013 Preview Pane, how do I remove the quick delete button which appears at the right-hand side of the previewed email? I would prefer to have the flag button as ...
12
votes
5answers
988 views

In 2011, what are the reasons to stick with plain text mails? [closed]

People entering college today have never known a world without an Internet. HTML was invented 1980, that's more than thirty years ago or 1.5 generations. But plain text mails are still common despite ...