Mail cannot send to any account!

Snow Leopard has broken my long-term Mail system!
I note that fairly recently I had problems with Mail (under 10.5) that meant it only did outgoing mail on one of two commonly-used servers. This was fixed by restoring an old (pre-problem) version of Mail prefs. Thunderbird and Eudora worked fine with identical server settings.
http://discussions.apple.com/message.jspa?messageID=10039384#10039384
Well after installing 10.6 NEITHER of my accounts will accept outgoing mail! One still shows no reason ("cannot send') the other claims that the outgoing address is rejected (oh no it isn't - the university system does not check). Incoming mail is fine.
Again Thunderbird works just fine for both outgoing and incoming mail (also under 10.6). Restoring pre-problem prefs no longer helps.
Any suggestions? (other than dumping Mail and using Thunderbird!!)

I got my outgoing Mail working in Snow Leopard. Here's how...
Since I have a cable modem, Cox does NOT require Authentication when sending via Cox's smtp server. A Cox representative told me this. Cox's servers can "see" my authorized cable modem and the servers KNOW that I am a legitimate user of their smtp server. So, no outgoing mail software-based Authentication is needed. Because of that, I have NEVER had to turn on Authentication for smtp outgoing mail. NEVER!
Well, Apple's Snow Leopard Mail has changed SOMETHING that is giving Cox's server fits. Apparently, Apple has decided you HAVE to use software-based smtp Authentication whether you want to or whether your ISP requires it, or not!
So.... to get my outgoing smtp mail working again, for each of my accounts, I had to individually set up smtp settings WITH Password Authentication turned on. Of course, it's the same password as I use for checking mail on each of those accounts. But, once I got smtp Password Authentication turned on, I'm back to being able to send Mail.
I'm sure the changes Apple made to Mail are all about improving security, etc. But this is really a bunch of BS. They have just inconvenienced a BUNCH of customers. If my ISP doesn't require Password Authentication for outgoing E-mail because I have a hardware connection that verifies who I am (that I'm a customer), then Apple has no business FORCING the Password Authentication for smtp!
This is about as dumb a thing I've seen Apple do in quite awhile!
Mark

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Just upgraded to Yosemite 10.10.2 on my iMac 24 inch and now my Suddenlink POP email account won't accept messages. The message says unable to receive Mail and the warning says: Mail cannot send your password securely to the server. You can remove th

Yesterday I uploaded Yosemite 10.10.2 thinking it was fixed by now. In Mail, my POP account gets this error message: Mail cannot send your password securely to the server. You can remove this restriction in the Accounts preferences by setting “Allow insecure authentication”, which could put your password at risk.
My provider says it's an Apple issue. The gmail accounts are logging in fine. Any help? Something simple?
Thanks anyone.

Thanks Csound1. That did work and Mail was able to connect to the internet. Green light status. Is it because of my provider that I may never have had secure connections? Is that an Apple thing or do PCs have the same issues? Appreciate your help. I'll research insecure connections as I am ignorant of the consequences.

I cannot send an email from my iPad 2? No problem receiving, why does this happen? Have tried the suggestions for setting up email and after doing the sync mail through iTunes receiving worked great but still cannot send? Any help would be great

I cannot send an email from my iPad 2? No problem receiving, why does this happen? Have tried the suggestions for setting up email and after doing the sync mail through iTunes receiving worked great but still cannot send? Any help would be great!

The fact that you can receive means you have a valid e mail address, and have established the connection to the incoming server, so all of that works. Since the send does not work, that means your outgoing server is rejecting whatever settings you used formthe outgoing set up. Try them again.
Google your particular isp, and ipad and many times you will find the exact settings needed for your isp. Or tell us here, and soneone else may be on the same isp. Some mail services need you to change a port, or have a unique name for the outgoing server.
Kep trying.

Loaded Yosemite onto mid 2011 MacBook Air. IMAP account goes offline - message - Mail cannot send your password securely to the server. Allow insecure authentication doesn't work. Repeated reloads. No joy. Help!

Mail cannot send your password securely to the server. You can remove this restriction in the Accounts preferences by setting “Allow insecure authentication”, which could put your password at risk.

I have the same problem.
Late 2012 imac 27", intel i7 core
When I upgraded to Yosemite, suddenly my email account (netvigator POP) gives an error:
Mail cannot send your password securely to the server. You can remove this restriction in the Accounts preferences by setting “Allow insecure authentication”, which could put your password at risk.
I have shut down & restarted mail, but no success. If I select Allow insecure authentication, it works, but that's not a long term fix.
I also have a hotmail POP account enabled, and that is working fine.
What's happening Apple??
(Long term apple family - iMac, iBooks, TimeCapsule, iPhones, iPads, AirportExpress etc etc)

I receive emails on my ipad but cannot send emails. any ideas?

i receive emails on my ipad2 but cannot send emails. any ideas? lindafromaz

Just a correction of Radiation Mac message:
You apparently Do have an Incoming POP or IMAP server set up (SMTP being only to send emails, not to receive).
Can you describe the settings you entered?
- What type of mail account (Gmail, Yahoo, Pop, ...)
- Are all the info properly filled (you can share them, but make sure to remove email/login/password for security)
- Is your email provider requiring a secure connection to the SMTP? Did you configure it properly?

Since moving to iCloud my mail not sending attachments any answers?

Hi
Since moving to iCloud my mail not sending attachments any answers?

After the migration I started having problems with all NON Apple things.
Now, as of July, 6th this is my situation:
Lion devices and iOS5 devices (MacBook, MacPro, iPhone 4s and iPad I) - fine
have a look here for info:
AUTOMATIC SETUP FOR APPLE MAIL ON LION MACS
http://www.apple.com/icloud/setup/mac.html
Snow Leopard - set up after some trouble using these instructions:
OLDER SERVER FOR APPLE MAIL ON PRE OS 10.7 MACS
http://support.apple.com/kb/HT5330
Non Apple clients should work with these instructions but I still cannot get MailForge to work:
SERVERS FOR GENERIC EMAIL CLIENTS
http://support.apple.com/kb/HT4864
MOBILE NON APPLE STUFF
With my HP (Palm) Pre 3 I am still figuring out why every single day they change the servers:
this however might help you as the Palm is more similar to the BB than the iPhone:
PALM PRE 3 SETTINGS: I also have updated the password on iCloud, deleted the old iCloud account on the Pre, created a new one. Please note that it now sends using the older server, I do not know for how long.
INCOMING
OUTGOING

Setting up mail. cannot send password securely

when i go to set up my mail with my aol account i get a message saying mail cannot send my password securely to the server. this is on the first welcome screen where you enter your name email and password.....it does give me the option to do it manually but if i do that i cannot send any email but i receive email. i checked the incoming and outgoing settings and there right..... what does this mean is there anyway to get past this
thanks

I've never seen this particular warning, but it's important to note that passwords for e-mail are always sent insecurely unless you are able to connect via SSL. You can set Mail to connect via SSL in the advanced account settings, assuming that your mail provider (AOL) allows such a thing, which some do not. Even if the password is sent encrypted, the rest of the e-mail is not, so you should never send any confidential information via e-mail, any more than you'd put it on a postcard.

POP3 Business E-Mail CANNOT SEND HELP PLEASE

POP3 Business E-Mail CANNOT SEND HELP PLEASE
PLEASE HELP I have two business email accounts an cannot send with either. Just lost a big contract because I answered contract questions and then I find out it did not send 3 days later. I have always had (hide sent emails enabled on all previous BlackBerry phones) We need help. FREE HELP NOT COST PER CALL BASIS. This is BlackBerry's problem not ours.

Hey all,
If you have your network service providers SMTP server inputted and still experiencing trouble. Then we suggest contacting us so we can gather logs to find the root cause.
Please contact your network service provider and ask to be transferred to BlackBerry.
This will help us resolve this new issue.
Thanks
-ViciousFerret
Come follow your BlackBerry Technical Team on Twitter! @BlackBerryHelp
Be sure to click Like! for those who have helped you.
Click Accept as Solution for posts that have solved your issue(s)!

Attachment size - Mail cannot send email attachments over 1.5Mb

Had this issue with Mac mail for well over a year now.
Mac Mail, connected to Exchange server.
Mac Mail cannot send attachments over about 1.5Mb. This does fluctuate, sometimes its as low as 600Kb.
It seems to be related to the internet speed you have, Slower internet connections and attachment size you are able to send goes down, faster speed and it allows bigger attachments to be sent.
Im assuming its some kind of time out issue.
With Windows and Outlook on the same internet connection = NO PROBLEM AT ALL!
This means its not an exchange only problem, its specific to mail and exchange.
I have several friends all switched over to Apple in the last 2 years and ALL having the same issues and despite logging several calls with Apple and trying everything they have suggested still no fix.
I have searched around and it seems lots of people are having similar issues all with no resolution to this.
Please can someone suggest anything new that might resolve this, im happy to try anything!

@Brooksymj
We had a similar problem - but we had one Mac which had been migrated from and old G5 Tiger to a new Intel iMac Snow Leopard and no problems existed (all size attachments send), so we checked out what was different about that machine's mail.plist preferences. We spotted some obvious ones that didn't exist on a clean install of Snow Leopard, so added them, which worked for us, as follows...
1/ get Pref Setter (www.nightproductions.net/prefsetter.html)
2/ quit Mail and launch Pref Setter
3/ find com.apple.mail and double-click it
4/ click once on any one of the entries without an expansion triangle
5/ click on Actions and select Add New Array
6/ call the new array DeliveryAccounts (no space)
7/ with DeliveryAccounts highlighted, click Actions and select Add New Dictionary
8/ leave the default name of Item 1
9/ with Item 1 highlighted, click Actions and select Add New Key
10/ call the new key MaxMessageBytes (no spaces)
11/ change MaxMessageBytes class to Integer
12/ set the value to the maximum individual message size permited by your exchange server
(ours is 50MB = 52428800)
This also worked on my mbp with Lion.
Hope this works for you!
Ian

My iPhone 4S has stopped receiving iMessages, cannot send/load any pictures over whatsapp, cannot join the wifi in my house anymore. What has happened to my iPhone i haven't made any changes?

My iPhone 4S has stopped receiving/sending iMessages, cannot send/load any pictures over whatsapp and cannot join the wifi in my house anymore.
Essentially all the things I use my phone for have now stopped working. I constantly have 3G connected (even though i dont want to use it, i want to connect to the wifi in my house) but still when I try to download/ send a picture over whatsapp it comes up with an error message saying the server is unverified, or something equally ridiculous.
I deleted the app so i could reinstall it (as if that would help), but the app store is started saying "unable to connect", despite 3G, so that bright idea died out pretty sharpish.
Whenever i try to turn on iMessage, it asks for my Apple ID password, which I know I've typed in correctly because I reset the **** thing about 4 times due to it apparently being "incorrect". Even so, it repeatedly asks for the password over and over as soon as I've entered it, saying it was "unable to connect" before a final "incorrect password" message pops up just to add an extra smack of annoyance.
I haven't changed a single setting on my iPhone whatsoever. It just suddenly started spiralling into what is now £28/month-worth of pure frustration.
I don't even have any music or photos on it as I had to free up 3.5GB of space on the **** thing to allow it to update, naively thinking that would solve the problem, but alas it did not.
I have seen a few questions posted like this one, usually just one of the problems I have, but I seem to have rounded up the whole bunch (lucky me). None of the previously posted questions have received any replies.
Can some please help me! Honestly, if i see another "unable to..." or "unverified source" pop up again I'll probably smash the thing against the side of my house.
Cheers.

On your iPad, go to [Settings > General > Reset > Reset Network Settings] Once that is done, re-connect your iPad to your wifi network.

Tried everything but cannot get Mail to send on one account

I know this is a wide reaching subject and I've been trawling all the web for a solution for past 48hrs and have tried everything but still cant get mail to send or connect to SMTP server for one set of accounts!!!
I am running Lion on iMac and it's fully up to date. I am using Mail for iCloud a/c, some hotmail a/c's and a Company domain with various email accounts, this is the problem one. I cannot for the life of me get the Comapny accounts to send mail, the same accounts are on iPad and Iphone and working fine but on Mail - no chance. I have:
deleted accounts and set up again
tried POP and IMAP
Tried different ports
tried different securitity levels
Deleted .plist file
Removed passwords from keychain
deleted all assocoiated Mail files to create "fresh" app
repaired disk permissions
Deleted again and reset again - over and over
Used a friends MBP and accounts worked fine!!
What is going on? I shut iMac down as I was on holiday for 2 weeks, when I got home booted up and thats when the issues started, nothing changed at all in terms of iMac settings, internet etc etc. VERY WEIRD! Especially as seems fine on iPhone & iPad.
Would appreciate any help but please note I have tried all the basic type repairs as listed.

Hi Glenn's
I am in the UK and had a similar problem. Ii eventually found the problem was due to my BT Home Hub Router. Not sure where you live, but of you are in the UK, this might work for you.
I found this fix below on https://discussions.apple.com/thread/4604180?start=15&tstart=0
It worked for me. If you can't link to the URL, here is the body of the text
There's an issue related to the BT homehub that is providing a hostname that is "syntactically incorrect" for several smtp server.
Here's how you can fix it.
Using your internet browser, go to the address "192.168.1.254
- Follow instructions to reset your password if asked.
- Then go to "Settings", then "Advanced Settings" and "home network"
You will see there all the devices that are connected or that has been connected before. It's gonna be easyer if yout computer is the only one connected.
Your computer should have a name like "unknown-xx:xx:xx:xx:xx ...
Click on this name, chose another name without any special characters, like "macbook" for exemple.
And then click on "apply"
- restart your computer.
That should fix the issue.
Credit goes to vincentfromcork for providing me with the solution.
Hope it works for you. If it does, spread the word ;-)

Mail won't send (on any account)...

Hey,
I've been using Mail alright. Everything worked just fine and now it stopped working. I can still receive mails on all accounts but it won't send on any of my five accounts. All the settings are okay (including port). Nonetheless does mail say "Can't send mail via server XY" (freely translated from german).
Please help me.
Julian

I am having this same problem. I have checked the settings, the ports, the passwords, etc. a million times. I receive mail, but can't send it. I finally got smart and checked my settings, etc. and set up my email accounts using Entourage instead of Mail. Guess what? It all worked perfectly fine. There is something messed up with Apple's Mail program in its latest iteration, I think. Does anyone know anything about this?
LJB
P.S. Mine is a .Mac email account. My ISP is att. It's been this way for five years. Now, with a new computer, it all has gone to the dogs. Grumble.

Mail cannot connect to iCloud account

Hi,
My Mail client stopped connecting to iCloud all of a sudden this morning.
It has been set up a while ago and always worked fine.
Now it shows the broken connection icon, and when I click on it it asks for my iCloud password.
I enter the correct password and click OK, and nothing happens. The broken connection icon remain and I do not receive new e-mail and cannot send emails.
I am certain this is the right password as I can log into iCloud webmail, and my iphone and ipad remained connected.
How can I solve this frustrating issue?
Is there something wrong with the iCloud server, or is there something I can do?

In System Preferences > iCloud > uncheck sync to Mail.
If you have other email account go to System Preferences Internet Accounts and uncheck sync to Mail
Go to your User's Library. How to view the User’s Library folder
1) Go to Containers in the User's Library folder. Delete the com.apple.mail folder.
2) Go to the Mail folder. Rename the Mail folder to MailXX
3) Go to Preferences in the User's Library folder.
If you find any com.apple.mail.plist files, delete these.
Log out under the Apple in the Menu bar
Log in
Open Mail. It will open in an empty Mail with no accounts. Add one account at a time and verify before adding a second email account.
Let me know if this helps. If you have messages saved under "On My Mac" we can import those into the new Identity. We'll go over those detail after we get your iCloud account working.
We can rename MailXX to revert if needed.

Mail not sending via any of my outgoing mail servers

Any time that I'm away from my office and dialled in to a wireless network elsewhere, my Mail application will allow incoming emails, but no matter how I have my preferences set for my user accounts, it nearly aways fails to allow me to send email, it coems up with error message 'cannot send using the server .........'. I've tried changing my preferences to use passord verification, but that didn't work, I've tried it with none, I've tried using a gmail account, I've tried sending it from all my diferent accounts, nothing seems to work with any surety. The only way I can send email is by logging into a webmail, via a browser, but that is so much slower and lacking in features. I'm sure that I'm missing something simple. Can anyone help?
Cheers
L

The problem is likely that as an anti-spam or security measure, the networks you are using block the port # used by your account's smtp server, enforce other access control limitations, or that your account's provider doesn't allow email to be sent from an access point it doesn't provide.
Not much you can do about this except try another port/verification combo if your provider offers one for this sort of thing, or talk with the networks' administrators about ways to grant you outbound access.
The problem is not likely caused by anything in Mail itself.

Mail, cannot send, reply or forward messages

I cannot send, reply or forward to any messages on my ipad 2.
Using iCloud, aol, and google accounts
Thanks

iOS: Unable to send or receive email
http://support.apple.com/kb/TS3899http://support.apple.com/kb/TS3899
Can’t Send Emails on iPad – Troubleshooting Steps
http://ipadhelp.com/ipad-help/ipad-cant-send-emails-troubleshooting-steps/http://ipadhelp.com/ipad-help/ipad-cant-send-emails-troubleshooting-steps/
Setting up and troubleshooting Mail
http://www.apple.com/support/ipad/assistant/mail/http://www.apple.com/support/ipad/assistant/mail/
Using a POP account with multiple devices
http://support.apple.com/kb/ht3228http://support.apple.com/kb/ht3228
iOS: Adding an email account
http://support.apple.com/kb/HT4810http://support.apple.com/kb/HT4810
iOS: Setting up an Outlook.com, Hotmail, Live, or MSN email account
http://support.apple.com/kb/ht1694http://support.apple.com/kb/ht1694
Server does not allow relaying email error, fix
http://appletoolbox.com/2012/01/server-does-not-allow-relaying-email-error-fix/http://appletoolbox.com/2012/01/server-does-not-allow-relaying-email-error-fix/
Why Does My iPad Say "Cannot Connect to Server"?
http://www.ehow.co.uk/info_8693415_ipad-say-cannot-connect-server.htmlhttp://www.ehow.co.uk/info_8693415_ipad-say-cannot-connect-server.html
How to Sync Contacts with Your iPad Using iTunes
http://www.dummies.com/how-to/content/how-to-sync-contacts-with-your-ipad-using- itunes.htmlhttp://www.dummies.com/how-to/content/how-to-sync-contacts-with-your-ipad-using- itunes.html
iOS: 'Mailbox Locked', account is in use on another device, or prompt to re-enter POP3 password
http://support.apple.com/kb/ts2621http://support.apple.com/kb/ts2621
eMail Groups - You can use a third party app that many users recommend.
MailShot - https://itunes.apple.com/us/app/mailshot-pro-group-email-done/id445996226?mt=8https://itunes.apple.com/us/app/mailshot-pro-group-email-done/id445996226?mt=8
Group Email - https://itunes.apple.com/us/app/group-email!-mail-client-attachments/id380690305 ?mt=8
iPad Mail
http://www.apple.com/support/ipad/mail/http://www.apple.com/support/ipad/mail/
Configuration problems with IMAP e-mail on iOS with a non-standard SSL port.
http://colinrobbins.me/2013/02/09/configuration-problems-with-imap-e-mail-on-ios -with-a-non-standard-ssl-port/
Try this first - Reset the iPad by holding down on the Sleep and Home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider - let go of the buttons. (This is equivalent to rebooting your computer.)
Or this - Delete the account in Mail and then set it up again. Settings->Mail, Contacts, Calendars -> Accounts Tap on the Account, then on the red button that says Remove Account.
 Cheers, Tom

Mail cannot send to any account!

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