Mail Support. All the topics, resources, and contact options you need for the Mail app on your iOS devices and Mac. If you can’t send or receive email on your Mac. Some Mac users who updated OS X to Yosemite have found Mail app to experience errors or problems when trying to send email. Typically this is in the form of an SMTP server connection error, a mailbox that’s seemingly stuck offline, a repeated request for a password from Mail app (a fairly common.

Times are changing for email on the Mac. As more people use universally available Web-based services as their primary email accounts, and as POP accounts from Internet providers gather dust, Mac email clients have begun to morph accordingly.

The new contenders focus less on powerful cataloging and search capabilities—most webmail accounts handle those tasks quite well already—and more on lightweight, go-anywhere access. The rise of the Mac App Store has made these clients more affordable and more similar to their iOS cousins.

Apple’s default Mail client remains firmly in the middle of the road. Its meat-and-potatoes feature set will work fine for most people, and it’s still my default email client—though mostly due to my own inertia.

If you’re hankering for something different, though, the latest crop of Mac mail clients has you covered. Better features? A sleeker interface? More raw power? Greater simplicity? Whatever you seek, you’ll find it on the App Store, and in this roundup.

Apple Mail 6

Mail 6 sports a small handful of new features, and much of what it does offer owes more to features introduced in Mountain Lion OS X than to anything specific to Mail itself.

Besides improving Safari’s ability to email webpages in various forms, and integrating Mountain Lion’s systemwide notification features, Mail 6 strengthens its predecessor’s already amped-up search powers. The Lion upgrade sharpened Mail’s ability to find messages across multiple mailboxes, but Mountain Lion enhances its ability to find words and phrases within individual messages.

The new VIP feature is more of a snooze. You can add people to or remove them from your roster of special senders only within individual messages, not from a message list itself. And the VIP feature can do little that Smart Mailboxes and mailbox rules couldn’t do already.

That said, Mail remains a dependable, pleasant workhorse of a client. And it’s among the few non-Microsoft mail programs that support Exchange email.

Full Review: Apple Mail 6 ()

Mozilla Thunderbird

If you like building things from scratch, Thunderbird may be your dream come true. This free, open-source client from Mozilla, makers of Firefox, lets you bolt various extensions onto the basic email client—or program your own extensions.

By default, Thunderbird is extremely bare-bones, with a last-decade interface and few of its rivals’ fancier features. Add-ons can help fill it out; but they are spotty and difficult to find, and they tend to favor obscure open-source services over more-popular options. I wasn’t impressed with Thunderbird’s security features, which sometimes didn’t flag dubious messages.

Thunderbird’s search, however, is outstanding, with clever filtering abilities and an appealing interface. I can’t believe that some wily rival hasn’t yet swiped the idea. Unfortunately, that excellent feature isn’t enough to persuade me to recommend Thunderbird as a whole.

Full Review: Mozilla Thunderbird ()

Freron MailMate 1.5

Gray, bland, and humorless, MailMate compensates for its lack of charm with astonishing efficiency and power. Like a trusted accountant, it may not be the life of the party, but it tackles complex jobs with grim relish.

MailMate’s decision to use text-based buttons instead of icons sacrifices visual flair in return for clarity and ease of use. It lacks the ornamentation of most other clients, but offers mind-boggling horsepower under the hood.

MailMate packs the most thorough search abilities I’ve seen in an email client. Sure, Gmail can find names or addresses, and it can add dates to your calendar. But can it sort messages by server domain, or by a prefix in their subject lines? Can it display statistics about your mail, based on these criteria? MailMate can.

I don’t know anyone who has been longing for these features, but I’m sure that such users exist. And for them, this proudly all-business app will be like manna from the email gods.

Full Review: MailMate 1.5 ()

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Postbox 3

Postbox starts with Apple Mail’s friendliness and ease of use, and then adds a host of why-didn’t-anyone-else-think-of-that features.

From its poise and polish, you’d never know that Postbox was built on Thunderbird’s framework. I liked its eye-pleasing interface, and especially its superb Inspector pane, which plucks links, dates, addresses, package tracking numbers, and more from the body of your message, and displays them for at-a-glance discovery.

Postbox’s designers have thoughtfully built in ways to tie the program to Gmail, Evernote, Dropbox, and even LinkedIn. And unique among the clients I’ve tested, Postbox lets you save precrafted email responses easily, and then deploy them with a few quick clicks. If you have to send out a lot of form email messages, this feature could spare your hands and wrists some serious repetitive stress.

Microsoft Office users, take note: Postbox does not support Exchange. But otherwise, anyone who has grown weary of Apple Mail's limitations will find Postbox, at just $10, an inexpensive and impressive step up.

Full Review: Postbox 3 ()

Arcode Inky

If you need access to your different email accounts in one place, or if you need a consistent interface in a many locations, try Inky. This beautifully designed, free client stores your account information—but not your message—securely in the cloud.

After you create an Inky account, the program will quickly set up your IMAP- or POP-based mailboxes. (IMAP messages may take a while to show up, but they’ll get there eventually.) Thenceforth, when you log in on that computer or anywhere else, Inky will have all your mail waiting for you.

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The program also recognizes and categorizes different kinds of messages, from daily deals to social media notices, in custom views that you can switch on or off in its settings.

The only drawback of this otherwise sterling program is that Inky will periodically bug you to tell your friends about it. But considering how impressively it performs, you may want to spread the word anyway.

Full Review: Inky ()

Macsimize MailForge 3

Many fans of Eudora, the trusty email client, were crestfallen when Mac OS X Lion shut down support for PowerPC-based programs. Macsimize Software’s MailForge has resurrected Eudora in a new, Mountain Lion-friendly incarnation. Unfortunately, though it may be from the past, it’s anything but a blast.

From its chunky interface—the text formatting icons look disturbingly similar to the ones from the PC version of Microsoft Word—to its lack of modern conveniences (like automatic account setup, inline image display, and threaded messages), MailForge feels like a relic from a late and unlamented decade. It can import mail only from Eudora, and its ungainly search feature leaves much to be desired.

Eudora enthusiasts may see MailForge as the answer to their prayers. But if you lack any very strong nostalgia for the email clients of yore, you’ll find plenty of better and less expensive options out there.

Full Review: Macsimize MailForge 3 ()

Email Pro for Gmail, MailPop Pro for Gmail

These two lightweight Gmail-only clients—think of them as Web browsers that can navigate to only Gmail—offer basic functions at pocket-change prices. Both of them can display Gmail in a simplified mobile view or in a more complex desktop view. And both of them hang out in your menubar, as icons that summon pop-down windows.

To me, Email Pro seemed the better choice. It has a more colorful and intuitive interface, and it explicitly tells you when it is loading messages, instead of just showing a blank window. I also liked its ability to make Gmail my desktop background, persistently hanging out behind my other apps.

The relatively monochromatic MailPop Pro switches between its various views more easily than Email Pro does, and it offers more keyboard shortcuts. But it costs buck more, and has little else to distinguish it. Users who want convenient, no-frills access to Gmail without having to fire up a Web browser might as well stick with Email Pro instead.

Full Review: Email Pro for Gmail ()

Full Review: MailPop Pro for Gmail ()

Sparrow 1.3.1

Google liked this slender, appealing client so much that it bought the entire company. Even though its creators aren’t updating the client anymore, it’s still available on the Mac App Store (use at your own risk, since you won't be able to get much support). And its pleasantly clean and simple interface—strongly reminiscent of Inky, though Sparrow came first—has won the program more than a few fans.

All in all, Sparrow is an attractive choice for anyone who wants a convenient front-end app for Gmail. It won’t bog you down with features you don’t need, nor will it make you feel as if you were using some hastily engineered workaround.

Full Review: Sparrow 1.3.1 ()

Postcards from the future

If these clients don't seem quite right for you, keep your eyes peeled for two new Mac clients that are in development as of this writing.

Mailplane, a Gmail client that adds tighter integration with the Mac OS, is currently in beta for version 3.0. Among other new features, it will incorporate Gmail’s latest interface.

The mysterious Unibox promises “a whole new approach to email on the Mac.” The developer has been teasing prospective users by posting snippets of the client's crisp, swanky interface on its blog. At press time, Unibox’s creators still listed it as “coming in early 2013.”

Mac email users have a wider array of higher-quality, better-looking apps to choose from than ever before. Whatever you need email for, the odds are excellent that you’ll find a well-crafted option that delivers what you want.

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A recent surge of worthy new email clients offers Mac users some of the best choices they’ve ever had for managing their mail. With a panoply of clever features and new ideas, these contenders have also mounted a serious challenge to the relatively stagnant Apple Mail and Microsoft Outlook. But with so may options to choose from, it’s now even harder to pick out the best email client for your particular needs. We’ve found one strong program that offers a great mix of features, usability, and value for a broad swath of users, plus several more that will cater well to more specialized preferences.

Top choice: Postbox 3

Postbox 3 () isn’t the newest or sleekest candidate in this roundup. Its design hews more closely to the traditional Mac look and feel, rather than adopting a slick iOS-like appearance. But for $10, it combines reliable performance, smart design, and a wide array of impressive features that make the program feel like what Apple Mail ought to be.

Even though it’s built on Mozilla’s aging Thunderbird underpinnings, Postbox handled my email quickly and confidently. Setting up new POP and IMAP accounts went smoothly; in one case, when I tried to set up a work Outlook account, Postbox patiently guessed at several different IMAP configurations until it found the right one. It then filled up my new mailbox relatively quickly, despite the pile of messages involved, and let me track its progress with a clear but unobtrusive progress icon.

Everywhere you turn in Postbox, you’ll find well-thought-out features that enhance your email experience. Message threads are easy to follow, with each message’s beginning and end clearly marked, and a quick reply box waiting at the end of the most recent message.

An inspector pane next to each message shows you not only who sent it —and, with a click, their entire contact card from your address book—but breaks out any links, images, maps, or package delivery info it finds in the message. You can also easily search for any messages, images, or attachments from a particular sender just by clicking links within their address book info.

And if work requires you to send a lot of form responses, Postbox builds in that ability. Just compose your response in preferences, then choose it from a pulldown menu when you’re writing a new email.

Postbox plays nicely with many popular social and productivity tools. If you have Evernote installed, Postbox can send emails to that service to help you keep track of them. Once you set up your account information, dragging and dropping files from your Dropbox will create links that let recipients download those files straight from your Dropbox account. And you can tie in your Facebook, Twitter, and LinkedIn accounts to not only get links to your contacts on those services, but post to all three directly from Postbox. The program will even use the Gravatar service to pull in images for your friends and acquaintances from one or more of those services.

A helpful To-Do mode lets you create new tasks, or turn existing messages into tasks, then check them off as you finish. Postbox also integrates an RSS reader to keep track of your favorite feeds, an increasingly rare feature among modern email clients. And Postbox provides great support for Gmail, including the ability to use Gmail’s keyboard shortcuts. None of these features gets in the way of simply sending or receiving email, but they’re all readily available when you need them.

Finding and using all these features can get a bit intimidating when you first start using it, but Postbox’s clear, straightforward, and easily searchable online help files make the learning curve much gentler.

Postbox 3 has begun to show its age; OS X updates since its initial release have actually broken a few features, such as integration with the Mac’s Calendar. But overall, Postbox seems like the best mix of price, capabilities, and quality for the majority of Mac users.

Top contenders

Inky

If you use email more for pleasure than business, you’ll likely enjoy Inky’s earnest efforts to present your inbox in ways that matter to you.

Built for portability, Inky () stores information for your POP and IMAP accounts—but not your mail itself—securely on its remote servers. Once you’ve set up that info, a single Inky login will bring all your email to any computer you’re using Inky with.

In a clean, colorful interface, Inky lets you view mail as a unified inbox, by individual accounts, or by several different clever Smart Views. The program’s smart enough to automatically recognize and sort messages containing maps, package info, daily deals, subscription mailings, and other common categories.

By clicking icons on each message, you can also teach Inky how to rank your email by relevance, so that it’ll display messages that matter to you more prominently.

I occasionally had trouble logging in to Inky, and had to quit and restart the program a few times to get to my mail. And Inky doesn’t offer business-friendly features like to-do lists, or any bells and whistles beyond sorting and handling email. But it’s free, it’s fun to use, and it’s full of well-executed and practical new ideas.

Mail Pilot

The same can be said for Mail Pilot (; Mac App Store link), a $20 email client built loosely around the Getting Things Done approach to productivity. It looks terrific, but for all its good qualities, it’s still missing a few crucial features.

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Mail Pilot treats your inbox as a to-do list. Each message is a task that you can check off right away, set aside until you’ve got the time for it, or ask to be reminded about on a certain date. Clearly labeled keyboard shortcuts at the bottom of the screen make these tasks easy to accomplish.

It’s IMAP-only, and setting up your account ranges from simple (Gmail) to tricky (Outlook, although the program’s great help files spelled out exactly what I needed.) Once your mail’s in place, Mail Pilot offers lots of different options to navigate message threads. The variety puzzled me at first, but I came to appreciate the different ways it sorted and stacked my messages.

As a fairly new program, Mail Pilot’s still somewhat under construction. The ability to save new messages as drafts or search by message text won’t arrive until a later version. But if you’re in synch with Mail Pilot’s productivity-first approach, you’ll nonetheless find the program helpful and worthwhile.

Unibox

Give it a few more versions, and Unibox (; Mac App Store link) could become quite the contender. Right now, it’s a very well-designed and usable $10 app with a few pesky hiccups.

Setting up IMAP accounts is fast and easy, and once your mailboxes are populated, Unibox displays them not by message title, but by who sent you mail on a given day. From the top of the screen, you can switch between viewing each sender’s message thread, or seeing all the attachments or images in that thread by list or by icon.

I really enjoyed Unibox’s sleek and efficient one-window interface, which makes maximum use of space while still displaying your mail clearly. The new message window slides down from the top of each message thread. Buttons to sort, junk, or delete a message materialize when your mouse hovers to the left of it; replying and forwarding options appear when you hover to the right.

I wasn’t as fond of the blank screen Unibox displayed upon loading until I manually refreshed my mail. And it has a bad habit of truncating longer messages by default, forcing you to click again to read the whole thing. Still, it’s a smart program full of good ideas; it just needs a bit more polish.

The rest of the pack

AirMail

AirMail () offers an attractive, inexpensive front end for your IMAP-based webmail of choice. But while the program’s interface is nice to look at, it’s not always easy to use, with tiny, hard-to-see buttons and space-hogging new message windows. Gmail messages also take an unusually long time to load; promised Dropbox support proved impossible to set up; and AirMail offers few help features.

Mail.app

I used to love Apple Mail () but it’s begun to stagnate with the last few versions of OS X (Mail is free with OS X Mavericks). The latest incarnation trickles in a few new features, including the welcome ability to search by attachments and attachment types. And, as befits an Apple program, it’s well-integrated with the rest of OS X. It’s also the only client in this review to natively support Microsoft Exchange accounts, although Outlook’s increasing support for IMAP renders that a bit moot.

Alas, the latest version was plagued by troubles with Gmail, and Apple has released updates that address many of the problems. But wouldn't it be nice if it simply just worked?

MailMate

Like a mighty rhinoceros, the $30 MailMate () won’t win any beauty contests; it’s not what you’d call “approachable”; and it’s astonishingly powerful. Its gray, austere, text-only interface conceals jaw-dropping abilities to search, sort, and sift massive piles of mail. Its support for SpamSieve and PGP, and its unbelievably granular search categories—like “level of server domain”—make MailMate the undisputed best email pick for power users, but probably a needlessly intimidating choice for everyday users.

See a list of email clients available for the Mac

Bottom line

Even if you only want a simple, no-frills email experience, you don’t have to stick with Apple Mail. Inky’s a great free alternative for folks who just want a streamlined inbox presented in a friendly way. On the other end of the spectrum, MailMate is ideal for tech-savvy experienced users who want to rule their inbox like a cruel, all-powerful god. And right at the happy medium between those extremes, Postbox offers plenty of easy-to-use enhancements for a fair price.

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Mozilla Thunderbird

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