Cannot send mail from my POP account

I have a IPod Touch with the latest software installed (I believe that is 3.1.3).
I have 2 email accounts which I use, a MobileMe account which I am not having any problems with, but my POP account is having problems sending emails. I can receive emails just fine but when I send an email from my POP account I get the error "cannot send email - sender address was invalid". I have deleted the account and set it up as "Other" with all the same settings that are on my Mac but It still does not work. By the way the outgoing server is smtp.west.cox.net if that makes any difference.
Any help would be appreciated.

Thank you, Baforer. Between your solution and another person having the same problem, I was able to solve mine, an error message saying "Sender address is invalid" when I know my email address WAS correct.
For anyone else with this problem, I'm using comcast.net in the Northern Virginia area, I went into "Preferences" under the Mail menu (on my Mac), and clicked on "Accounts", Outgoing Mail (bottom of the page), hit button called "Server Settings" and see what port is displayed. In my case, like Baforer, it was 25. So exit out of Mail on your computer and go into Settings on your iPod Touch, Mail etc and go deep to Outgoing mail server, my case "smtp.comcast.net", enter, in next window, all the way at the bottom it says "Server Port"; click on that, a keypad will come up, erase whatever is displayed and enter 25 (or whatever was on your mail acct on your computer - previous step above) and you're finished. You'll here the familiar "whoosh" as those emails in your Outbox get sent on their way.

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CANNOT SEND MAIL FROM .MAC SMTP ACCOUNT

Hello everyone--
I can receive mail from my .mac account and have done extensive troubleshooting including:
1. Changing ports from 25 to 587
2. Deleting and re-installing mailbox
3. Reading a hosts of topics
4. I have the serving settings with SSL unchecked
...but this still giving me the same trouble. I cannot send out because my email address keeps getting rejected.
Any suggestions? Thanks!

Are you also accessing an email account and SMTP server in Mail that is provided by your ISP used for connecting to the internet?
If so, can you send mail with this account and SMTP server?
If the answer is yes to both questions, select/use your ISP's SMTP server to send mail with your .Mac account which is invisible to all recipients.
Most, if not all ISPs now block the use of SMTP servers outside of their network on Port 25. Some ISPs allow the use of an authenticated SMTP server only (such as the .Mac SMTP server) that is outside of their network on Port 25 but some block its use regardless.
Changing the Port for the SMTP server that is outside of the ISP's network from 25 to 587 usually resolves it but sometimes not depending on the ISP's restriction.
Have you contacted your ISP regarding their restrictions and/or requirements when using an SMTP server that is outside of their network or not provided by them?
Using your ISP's SMTP server to send mail with your .Mac account should work and it may be required regardless.

Cannot send mail from my hotmail account on my iphone 4s

i bought a iphone 4s and set up my hotmail account through the Mail setting - Add accout - Hotmail. I have never been able to send mail through this set up. i have deleted the account and re-setup the account several times and had no success. I am able to recieve email but this is still useless if I cannot reply. Is there anyone else with this problem? can anyone help me?
I love this phone, but this is definately a major downfall and I am really %&#@...... unhappy.

I was having trouble emailing from Gmail on my iPhone 5, because the server didn't allow relaying, as some folks in this thread described . Deleting and setting the account up again didn't help. Someone in this thread said to go to Settings, Gmail, Advanced, Server Port, and change it to 25. It worked like a charm. BUT- here's the weird part: when I went back to check the server port, it had changed itself back to the previous port # and it's still working fine. Go figure.

Cannot send mail from yahoo email account.

I recently developed a problem with sending messages through the ipad mail app. The primary server is Yahoo! SMTP Server with the SSL use on and port 465 open. However the hostname isn't specific. Just says "Yahoo! SMTP Server". I can't access it to change it so I made a second one below it as outbound.att.net because on AT&T website they changed the smtp settings. The outgoing mail port # is still the same...465 and I read online to change to 25 if the account is a business yahoo email but mine isn't and the ipad froze on me while attempt to verify. Can someone help me sort this out? I only have this issue when I'm on the actual data plan and I'm on the go.

Not sure about yahoo, but for gmail, I done the following:
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"This message cannot be sent at this time." I have been getting this pop-up for 3 days when trying to send out mail. I don't know what to do! I cannot send mail from this account on any ISP. Please help!

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lots of people seem to be havgin a problem sending email from iCloud webmail.
does your email address have uppercase characters in it?
if so, try creating an alias in lowercase (go to preferences in iCloud webmail and select 'accounts') and see if email sends okay from that

Can't get new Mail from my Pop-Account...

Hello,
I have a problem with Mail, as I can perfectly send but not receive Mails from my Pop-Account. The settings are fine and the problem came up suddenly. When I try to get mail from Pop-Account the application starts to load, shows the number of mails in the account, begins to count up the size and then stops. I can even see the title of the mails by opening the window of the Account, but Mail does not download them.
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Thanks a lot an greeting from a German in Bahrain
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Hello and thanks to both of you,
I am using Mail 3.1 and the Account is coming from Strato, a German provider. Before, I had no problems neither with receiving nor with sending, but suddenly it stoped. I tried another account (gmail) that worked without any problem. Also your advice with SSl and the ports did not help . I Also phoned the Helpline of the provider Strato without any result . Also the place does not change - it neither works at home nor at work.
Regards from a desperate Mac-User

Can not send mail to my pop account

My ipad1 will ot send mail in my pop account since I just upgraded today.

Reinstalling OS X Without Erasing the Drive
Boot to the Recovery HD: Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Repair the Hard Drive and Permissions: Upon startup select Disk Utility from the main menu. Repair the Hard Drive and Permissions as follows.
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Cannot send mail from my ipad

I cannot send mails from my ipad, I have checked settings with my mail server and they tell me that everything is OK, they don't know what may be causing the problem, any ideas?

TBS2.
There is no way for anyone to know if your problem is identical to the problem reported by maria_diaz. She didn't mention anything about getting the "relaying" message. I suggest you start a new question that gives a good title to a specific problem. Then in the body of the thread describe the problem in detail, tell us what steps you have tried so far to correct the problem, what happened, and what error messages you received.

I cannot send mail from my iPhone since I got my iPad mini even though the settings are exactly the same?

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Hello Ann,
Thank you for contacting Apple Support Communities.
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http://support.apple.com/kb/TS3899
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Why can I Only send mail from my iCloud Account and none of my others yet can receive from all ?

why can I Only send mail from my iCloud Account and none of my others yet can receive from all ?

Morning Allan ,sorry hit the wrong button. Thank you for responding . Meant to reply not notify you that my issue was solved . It's not . I imported all my settings via iTunes and all of the accounts receive mail as I said but can't send . Can you tell me exactly what to change with regard to my outgoing smtp. and PE the authentication ?

Cannot send mail from any mail account

I have a Mac Mini, late 2014 model, running OS X Yosemite version 10.10.2. I have constant difficulty sending mail from any of my mail accounts; these are iCloud, Googlemail, Yahoo and a personal one which uses 123-reg.co.uk. I am currently located in Greece, but have been having trouble for ages, even in the UK. I can receive mail, but I don't seem able to send it. Error message is usually simply cannot send mail using this server, select a different server. However, when connection doctor is run, all servers appear to be connected and I am logged in. Any ideas please?

rosiehwilson wrote:
Hi, not sure why that is relevant, but we arrived at the end of January this year. Here is a screen shot of a recurring problem, although in this case Gmail is not connected to the internet, which it usually is. Hope this helps.
Your outgoing Gmail servers not working, everything else seems OK.
So, what is not working for you (other than Gmail Sending)

Cannot send mail from .mac account in Entourage

I am a new mac user so my troubleshooting skills are very weak. Until about one week ago, i was able to send mail from both my hotmail account and my .mac account. Now, i get this error (just on my .mac account):
An operation on the server timed out. The server may be down, overloaded, or there may be too much net traffic.
i read through much of the support articles, but did not find my specific error. can anyone help??
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mknz
MacBook Pro Mac OS X (10.4.7) new mac user
MacBook Pro Mac OS X (10.4.7) new mac user

it may be that your server (internet provider) has just started blocking outgoing mails not authenticated by them.
Go to your account set up...
and fill in the following details.
SMTP SERVER: smtp.mac.com
then click on advanced sending otions...
click on override default SMTP port... type 587
click on SMTP servber requires authentication...
use same setting as receiving mail server.
try this...

Cannot send mail from iPhone using Godaddy account/email

Was working perfectly until recently. Incoming mail still ok.
Now get error message when sending mail "Cannot Send Mail - The connection to the outgoing server "smtpout.secureserver.net" failed.
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Have spoken to Godaddy support but they can't help as say must be local issue with iPhone.
Is GoDaddyGuy out there?

SizzyB and Joe,
I've read over your posts and see that you've both tried a few different troubleshooting steps with our support. The next step would be removing the whole email address from your iPhone and setting it back up. When you set up the email address, you should use the step by step walk through instructions available at http://help.godaddy.com/article/3423.
SizzyB, please note that cwmx.com is an AT&T specific server. Your UK provider might list a comparable SMTP server as a default or you might need to contact them to get their settings.
Joe, I would also like to note that you would specifically need to have our Unlimited email plan to utilize the IMAP service feature.
If either of you have further issues, please post the full details (including any errors messages you receive) and we'll continue to work on a solution.

Cannot Send Mail from my iPhone 4s

I am no longer able to send out replies or new emails from my phone, this is very recent and I have tried everything I know of.. But I am not THAT tech-savvy.
So, anyways, when I go to send an email or reply to one, I get a pop-up box that says "Cannot Send Mail - The username or password for "said"-hotmail account is incorrect." So then I go to the settings enter my correct password for my hotmail account, it accepts it, and try again. Same pop-box appears, even though my password and username are both correct. I know that they are correct because I am able to receive email with no problems at all.
Is this a fixable problem or should I call Apple or take my phone in directly to them and have one of the techs look at it ?
Thanks;
Odyssy

Problems with sending mail is rooted in the settings for the SMTP server. There are places in this that say the username and password are optional, but normally are required by many email providers. Go back into the SMTP server settings and check all of the areas. I also agree with Doctor9fan to check your SSL settings. If you cannot get it to work like this, then remove the account from the device and add it back. As you complete the creation, make sure the account verifies. You can also check the Microsoft site to make sure settings are correct for Hotmail.

Sending mail from non-BT accounts

I have email accounts with Apple (mobileMe), my own domain (hosted by Verio) and another of my own domains (hosted by Network Solutions) - as well as the BTinternet.com email account.
Until today, all four accounts were set up on my email client (Apple Mail) to use their own respective SMTP servers for outgoing mail, and all four have worked fine in this way for literally years.
This morning, I started getting error messages trying to send mail from the domain hosted by Verio ("cannot send message using the server [my own domain's SMTP server]").
In the end, I followed the steps outlined in a thread on this forum to "add" the account to BTYahoo, verify it, and change the email client settings to use BT's SMTP server. So now it works fine.
What I don't get is why I had to change this one account, when the other non-BT accounts (Apple and NS SMTP servers) continue to work fine as they are (ie using their own server details for outgoing mail).
Anyone know the answer? Obviously it works, so there's no problem (apart from wasting 2 hours this morning trying to figure out what the **bleep** had gone wrong), just curious as to BT's logic here.
Solved!
Go to Solution.

gregch wrote:
I have email accounts with Apple (mobileMe), my own domain (hosted by Verio) and another of my own domains (hosted by Network Solutions) - as well as the BTinternet.com email account.
Until today, all four accounts were set up on my email client (Apple Mail) to use their own respective SMTP servers for outgoing mail, and all four have worked fine in this way for literally years.
This morning, I started getting error messages trying to send mail from the domain hosted by Verio ("cannot send message using the server [my own domain's SMTP server]").
In the end, I followed the steps outlined in a thread on this forum to "add" the account to BTYahoo, verify it, and change the email client settings to use BT's SMTP server. So now it works fine.
What I don't get is why I had to change this one account, when the other non-BT accounts (Apple and NS SMTP servers) continue to work fine as they are (ie using their own server details for outgoing mail).
Anyone know the answer? Obviously it works, so there's no problem (apart from wasting 2 hours this morning trying to figure out what the **bleep** had gone wrong), just curious as to BT's logic here.
Hi Gregch.
To be honest, the problem seems to be at the destination smtp service end and nothing to do with BT. You've not really supplied any details of the error message - is there anything else in the received message ?
You've assumed that it's a BT fault, rather than perhaps investigating the possible error at Verio. As the other accounts work as exists, it really does point at Verio (or indeed something local, perhaps a security package interferring etc).
http://www.andyweb.co.uk/shortcuts
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Cannot send mail from my POP account

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