Mail can't send mails sometimes

Since I installed leopard on several MacBooks, some of the clients have the same problem.
When they try to send a mail, they get the answer that the mail server is offline and they have to choose another one. Problem is: the server is not offline and mail is correctly configured.
When you keep trying to send it, suddenly (sometimes after 30 second, sometimes after 2 minutes) the mails are being sent and everything is fine. When it takes to long, I delete all mail servers in de list and add them again: Then the mails are sending immidiatly. I'm used to work with computers and there probs, but people from administration and our schoolheads are not. So now I have to go 3times a day to "send their emails". Does anyone knows an answer?

Tommy,
This partly sounds like the issue that can be addressed by manually entering the DNS address info, rather than letting Leopard auto-negotiate it. Opening the Activity monitor in Mail will usually show most of the time is spent connecting, and very little transmitting to send.
The part that sound unfamiliar is the Offline message. That sounds more like the SMTP can be perhaps be authenticated by Mail from the info on the Incoming server, and when that can be done, separately Authenticating the SMTP can cause a timeout or Offline error.
More info, please.
Ernie

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Try going into Settings > Mail, Contacts, Calendars > select the account > account name , tap on SMTP (under the 'Outgoing Mail Server' heading) and then tap on your Primary Server and try entering your email account and password and see if you can then send emails

In my Mail program (4.6), OS10.6.8, can I send bulk email bcc? If so is there a limit to the number of names/addresses that I can send?

In my Mail program (4.6), OS10.6.8, can I send bulk email bcc? If so is there a limit to the number of names/addresses that I can send?

To add the BCC field to the message window, create a new message, click the 'three lines' button near the to and from fields & select the 'BCC Address field' or choose the 'customise' option. This button may be a 'gear' on the older OS (I don't recall for 10.6.8 Mail).
The BCC field is more likely to be limited by the email server than Mail app. If you add hundreds of addresses (or use large groups with many addresses) the email server may assume you are sending spam. Sometimes it causes the server to drop the message or bounce them, different providers also have different rules, so you need to use bcc & ccc with care.
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I have an iMac, and have a Verizon DSL account. Recently, my Mac Mail keeps requesting the passwords on my account every few minutes, and will not allow me to send messages using Mac Mail. I cannot edit the outgoing server; how can I send emails?

I have an iMac, and have a Verizon DSL account (3 email addresses). Recently, my Mac Mail keeps requesting the passwords on my accounts every few minutes, and will not allow me to send messages using Mac Mail (the message says that the outgoing server was rejected. I cannot edit the outgoing server, and the keychain will not save my passwords (the ports are valid). How can I change the outgoing server to send emails, and how can I avoid having Mail request my passwords every 2 minutes? Verizon, as usual, will not provide support to iMacs.

Is there an email saved in your drafts or outbox folder? I suspect that Mail is continually trying to send it, and each time Google is rejecting the email message.
You can open the message and then delete it from your Outbox folder. Then try removing all @gmail email addresses from it and seeing whether you can send to the other folks. I suspect that will work.
With email, if an SMTP server *can* verify email addresses, sometimes it will and it will refuse to send messages. If a message has to be relayed across servers, no verification is done, and you'll get a bounce if an email address is bad.

Can't send mail... after 4 months of using it

I'm stumped... help me out please.
When i send a mail out, this message pops up, "Error : This Message could not be delivered and will remain in your Outbox until it can be delivered. Sending the message content to the server failed."
So it's still in my mailbox. But then, it shows up in my gmail account and on my blackberry as a sent mail, but the receiver never gets it. Also, i can still send mail from both my blackberry and gmail.com... just not from Apple Mail.
What's going on?

Sometimes an ISP provider blocks one of your incoming
Mail ports and "won't notify you". ( Why? probably it's their protection software )
In my case Comcast blocked my Port 25 and my Outgoing kept bouncing.
Incoming was fine.
Make sure when you change your Port to 587,
You also check "ON" the Secure Sockets Layer box right underneath,
Then change Authentication: to Password
Then enter your name and password
and click OK.
The reps at most of the providers
are useless and won't tell you
the second part of the solution.
It took me 2 days and 4 reps
at Comcast to find this out
and 10 hours of trying to
clean my Mac...
which they will always
blame.
Best of Luck, Tom

My Mail program has gone south on Leopard on my 27-month old Macbook. I can't send, even though the server details are correct. I tried reinstalling from the install DVD - but no go: no longer compatible, evidently.. What to do?

My Mail program has gone south on Leopard on my 27-month old Macbook. I can't send, even though the server details are correct. I tried reinstalling the Mail program from the install DVD, but no go; apparently that two-year old Mail is no longer compatible with my up-to-date Leopard. I tried deleting the account (hotmail) from Mail and setting up a different account (Yahoo). After loading all the inbox two things happened: first, I still couldn't send, and second, when I closed the Mail window the whole inbox then disappeared and doesn't come back. Although I couldn't reinstall the Mail program from the install DVD, would it still be possible to reinstall the whole system from that DVD? If I do, will I lose files or will there be another problem since that DVD is now over two years old?
Thanks for any suggestions; they will be much appreciated.
P.S. I've just noticed that now I can't change the desktop picture: I go through the motions in Preferences, but the new picture doesn't appear on the desktop. Is there a systemic problem?

You are waiting for an apology to something that happened over a year ago? Really? This is why there is a manager in the store. You have a problem with an employee you speak to the manager. Just like you did on the phone. You would have gotten your apology in July 2013.
Here is the information about your upgrade fee.
Upgrade Fee
It is because when you have a problem you (customers) go running to the store and want to take up the time of the reps to fix it. Other carriers have third parties that deal with technical support and those locations are few and far between. VZW provides this directly through their stores. Also, when you subsidize a $650 and pay $200 VZW has to pay $400. Your monthly service fee doesn't begin to scratch the surface of paying that back. Not with all the money that is put into the network and its improvements.
Then over a year later you get someone on the phone who apologized and offered to waive the fee on your phone and you didn't take it? That offer won't come down the pike again.
One thing you should know is that all these employees are people and as such they sometimes come off cross. I doubt that you speak to everyone so sweetly all the time. Cut them a little slack and put this whole thing behind you after 15 months. Either upgrade with VZW or move on.

Can't send mail suddenly - help?

i have had my computer set up with the same isp for a year and suddenly in the last week or so i can't send email. i thought it was a fluke as it would sometimes let me send but now i can't at all. i am getting this error message:
Error
This message could not be delivered and will remain in your Outbox until it can be delivered.
The sender address [email protected] was rejected by the server.
I have also gotten this one:
Message delivery failed
The connection to the server “servername” on port 25 timed out.
You can try to send using a different server. All messages will use this server until you quit or change your network settings.
Send message using: (and then you choose the server)
Is the only outgoing server i can use the one for my isp (which is RCN)? smtp.rcn.com.
I am going crazy. I called RCN and they told me they coudln't give me support since the email accounts are not RCN-based EVEN though they are my provider - they are my school and personal accounts. so weird. any help would be great.
Thanks!

Based on the information you provided, RCN is your internet service provider but you are not accessing an email account and SMTP server that is provided by RCN with the Mail application?
Do you know if the SMTP server for your school's email account or the SMTP server for your personal non-RCN email account is authenticated by your account's user name and password?
RCN should have been able to advise you on this since the timed out on port 25 error message indicates RCN is blocking the use of SMTP servers that are outside of their network (or not provided by RCN) on port 25 and the other error message can mean the same but the rejected by the server error message is an indication this SMTP server may require authentication.
Try the following first.
Go to Mail > Preferences > Accounts and under the Account Information tab for your school's account preferences at the SMTP server selection, select the Server Settings button below.
Enter 587 in place of 25 in the Server Port field and when finished, select OK to save the changed setting.
Repeat for your personal, not RCN email account.
If this does not work, you can add RCN's SMTP server to the Mail.app and select/use RCN's SMTP server to send messages with these accounts.

Mail can not send emails, but can receive emails

My apple mail have two mail account, one is gmail, another is pop3 mail ( 263.net ), I can send and receive email via gmail account, but can not send email through another account (263.net ), meanwhile I can receive email via this account. I sure all the setting is right. I also found this "can't " is occasionally. sometimes I can send, but sometimes I can not send email. But for gmail account, It is OK for all time.
Why

This may help
https://discussions.apple.com/message/22569311#22569311

Can't Send Mail: Authentication Required.

Hi All,
If anyone can help me with this, it will be most appreciated.
Mail Version 2.1 (752/752.2)
I can receive e-mail, no Problem.
I can't send e-mail... I keep getting this message: Cannot send message using the server outgoing. verizon.net
The server response was: 5.7.1 Authentication Required.
I've set all my mail accounts as they should be. I've used the Connection Doctor in the Window menu and all connections incoming and outgoing are ok.
Thanks

Go to Mail > Preferences > Accounts and under the Account information tab for your .Mac account preferences at the SMTP server selection, select the Server Settings button below.
Enter 587 in place of 25 in the Server Port field and when finished, select OK to save the changed setting.
All other settings for .Mac's SMTP server should be as follows:
Outgoing Mail Server: smtp.mac.com
Use Secure Sockets Layer (SSL): I have this selected but isn't required.
Authentication: Password
User Name: The portion of your .Mac email address in front of the @ sign only.
Password: Your .Mac account password. The same password used to check for new messages or to login to your .Mac account via webmail access using a browser.
If changing the Server Port from 25 to 587 for .Mac's SMTP server does not work, are you accessing any other email accounts and SMTP servers with Mail and if so, are you able to send messages with any other accounts with Mail while connected to the internet at this hotel?
You should also check with the hotel's front desk or the hotel's internet service provider regarding their required settings for using an SMTP server that is outside of their network.
If you are unable to use the Mail application for sending messages, you will be forced to use webmail access to do so which is sometimes required and the benefit and primary reason for webmail access with an email account.

Can't send or receive e-mail on EDGE network

Just recently I can't send or receive e-mail on the EDGE network - both work fine on WIFI though.
Safari and all other features work fine on EDGE and WIFI so it's an e-mail issue. I am using an IMAP account, no SSL, Incoming port 143, Outgoing port 587. After trying to connect for some time, sometimes I get a "cannot connect to server" message but usually no message at all.
I would really appreciate some advice

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Something happened late monday as it was fine sat - mon night. Since I do not live in WA - I assume things will be OK when I return to CA. Giving ATT a call might help - but you will definately need to get it escalated to a higher level.
I have sent this forum link to the great apple T3 support person that spent so much time with me - hopefully he will forward on to ATT and it will get resolved for all of you. Something did change on Monday night.

Can Not Send Mail- what's going on?

Can download mail but can not send mail. With parallels on and xp pro I can easily set up outlook to send and receive mail. But no! The great Apple which is supposed to be easy can not send an email with the same settings. So, back to Windows to do what should be easy on a mac. I think that perhaps the new Safari or something messed this up.

If you'd like to approach the problem as something you don't understand, and also something that can be fixed, then you'll probably be able to set up your email account.
You say you have emails in the Outbox. I'd move them to another folder you create or delete them. In past experience, emails contain header information that includes mail server information, and sometimes they will never send (especially with Outlook Express), even if you get the account to work. You can try sending them again, once you get the account working.
Next, you need to make sure that you are sending the emails from a machine that is connected directly to RoadRunner's network. They may not work as a relay if you connect from another ISP. It's a port 25 problem that is common these days.
Now for the problem. If you are receiving emails properly, then the POP server information is correct. The mail program is designed to set up to some default settings that work with many servers, and during the process it will try to validate the settings you supply. This can take awhile, and can come up with a failure, due to a wrong assumption. Your email program is assuming that the email server requires authentication. This has been a problem with the RoadRunner system for years. Apparently, some windows email clients do not work the same way, go figure. They seem to have their own problems.
Many people have reported successfully setting up an account with RoadRunner, after first making sure they have the right SMTP server address. It can be different for different parts of the country.
After the email account is set up, and is failing to work, people go into the Mail/Preferences/Accounts/Account Information/Outgoing Mail SMTP Server - Click on the dropdown button - Choose "Edit Server List" - Advanced - Change Authentication to "None"
Here is a related thread with stories of success with RoadRunner: http://discussions.apple.com/thread.jspa?messageID=9128382&
After the changes, I'd quit and relaunch Mail. Not required, but good troubleshooting practice. Since there are no emails in the Outgoing Mailbox, create a short message and try to send.
I have different problems with different companies for both Mac's and Windows machines. The ISP always blames the OS, especially Leopard and Vista (since they work with more intelligent/advanced (maybe) settings. Besides the Authentication issue that pops up with some servers, there's also the occasional SSL variation and/or login name (sometimes it's the first part of the email address before the @ and sometimes it's the entire email address). Some ISP's block port 25, some do not. All of these settings can vary with each ISP, and can change on a whim (especially the port 25 problem), with working accounts going dark because of security changes at the ISP. Telephone Tech support at the ISP is often unaware of any changes in their system because they are not in the IT loop at the company and some will just go into "idiot" mode when you mention Macintosh. The first level support people are using a script on the phone, and their job is to make you go away...
I'm afraid the Great Apple, as you referred to them, is not able or hasn't focused on the ability to automatically set up accounts with every ISP. They appear to have made some assumptions that work with most servers. Who know's, next month the settings or assumptions may work, or Apple may update their setup script to make allowances specific to Time Warner, but since this has been a problem for over 3 years, I wouldn't hold my breath.
Google: leopard mail roadrunner problem = about 96,000 hits of all sorts.
Google: vista email roadrunner problem = about 1,410,000 hits of all sorts.
Google: windows xp email roadrunner problem = 243,000 hits of all sorts.
Looks like Apple's getting it's market share of problems with RoadRunner and Time Warner
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I'd setup the free Gmail account that will work with any ISP you use, before you get really attached to an email account with an ISP that could change as often as competitor's marketing allows. Also, my iPhone supports Gmail out of the box

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Hello Bobejoe.
Can I send a mail attachment that will automatically open
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No, fortunately.
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Just installed Leopard and now I can't send an e-mail

I just finished installing Leopard and now I can't send or forward an e-mail. It wont even let me click on send. I'm not getting any error messages either. Anyone know why I can't send an e-mail?

Since upgrading to Leopard, we have had trouble sending email. Usually couldn't but sometimes it would allow an outgoing message. Hours spent with tier 2 tech support, at Apple, AT&T and Netopia. All Mail settings were verified as correct. I saw a possible solution somewhere else in this discussion forum and tried it. Now Mail is working fine, with consistent email sending. Solution for us was to get the DNS numbers from AT&T and enter them on the Mac under System Preferences/Network/Advanced/DNS. The only DNS number listed there was the one for our Netopia 3347 modem. I clicked the + and added both the Primary and Secondary DNS numbers provided by AT&T. Clicked "OK", "Apply". Then I rebooted--don't know if that was necessary--but now email sends easily and so far no more "server does not support authentication" error messages. It was an easy solution, so it's worth a try.

I can't send mails

This is a little confuse because i can send/recive mails on iphone and web, and i can recive mails on my mac but not send... also happens something weird that i see on message sent inbox on mac/web/iphone mail that i send on mac... so i dont know if this happens by sync or there is really something bad with my email account or for recive my mails people. All this happens only with my icloud account... by the way, sometimes i can't send mails too from my iphone but when i delete and add my icloud account this solve, no the same case on mac
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Have you tried restarting or resetting your iPad?
Restart iPad: Press and hold the Sleep/Wake button until the red slider appears. Slide your finger across the slider to turn off iPad. To turn iPad back on, press and hold the Sleep/Wake until the Apple logo appears.
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TS3276 can receive mail, can not send, set up smtp(offline)?

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Hello:
I use AOL's mail as well.
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Can any one help.
I have a Satellite P200-10O, with Vista installed. In Win Mail i have set up my email accounts as normal.
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1stopcarp

Hi buddy,
why are you making yourself such problems?? Why dont you use Mozilla Thunderbird which is faster, reliable and has better functions then this Vista Mail thingy??
I use Thunderbird now for some years and I love it. Its better than outlook and has so many functions which make the work a lot easier.
If I were you I would check the following link a thinkabout:
http://www.mozilla-europe.org/en/products/thunderbird/
Greets

Mail can't send mails sometimes

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