Can't Send Email When On The Road

Hello - My son has a Roadrunner acct. When he's on the road, he can receive mail via hte Mail app; but he can't send it. Does he need to edit his emai settings while on the road? Thank you!

Hello.
It all depends on the policy of whoever is the ISP at each location and the method used by the outgoing (SMTP) server to determine whether you’re a legitimate user. Note that when you’re not at home, the ISP at that location is usually not the same as the ISP when you’re at home.
In an attempt to fight spam, many ISPs restrict the ability to send using an outgoing (SMTP) server not owned by them, usually by blocking port 25 for all traffic outside their own network, which means you cannot send with an SMTP server not owned by them if configured to use that port number. And it may happen the other way around as well, i.e. the outgoing server itself may look at the IP address you’re connecting from and refuse the connection if you’re outside its own network.
Something that often works is changing the outgoing server port to 587 (or whatever alternate port number the outgoing server listens to) instead of 25 and using some form of authentication in Preferences > Accounts > Account Information > Outgoing Mail Server > Server Settings, but two conditions must be satisfied for this change to work: (1) the ISP must not block that port as well AND (2) the outgoing server in question must listen to that port and accept a form of authentication not based on the IP address you’re connecting from.
Independent mail service providers not tied to a particular ISP, such as .Mac and Gmail, do allow authenticated SMTP access on port 587, which is the reason changing the outgoing server port number solves the problem for them if the ISP doesn’t block that port as well.
The following article, for example, describes several ways to address this issue in the case of .Mac, but can be useful for other mail accounts as well (not just .Mac), and applies to all versions of Mac OS X (not just Mac OS X 10.4.2 and earlier as the article states):
.Mac: Server timeout alert message when sending email

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TS3899 I can't send email when wifi is on

I can't send email when wifi is on. How do I fix??

I can't send email when wifi is on. How do I fix??

TS3899 Can't send emails, what are the different outgoing server numbers i can use ? 25 ? 587 ? 578 ? Thanks !

Cna't send emails, to what to i change the outgoing server ? Thansks !

iOS: Unable to send or receive email
http://support.apple.com/kb/TS3899
Can’t Send Emails on iPad – Troubleshooting Steps
http://ipadhelp.com/ipad-help/ipad-cant-send-emails-troubleshooting-steps/
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http://www.apple.com/support/ipad/mail/
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Can't send email when not on my home wifi

I use roadrunner as my email. I also have my own domain that I forward my email to my roadrunner email address. I have configured my email using the settings at http://help.rr.com/hmsfaqs/e_rrmail_emailSettings_iphone.aspx. I have double check it. When setting up my email I use my domain email address. I have configured the pop-server to point to my roadrunner email address and I point the outgoing server to also use my roadrunner account. This work perfectly fine when I am at home. I am able to send emails. The problem is that when I am on AT&T wifi network or some other wifi network I get an error that I my domain email address was rejected by the server.The only way to get it to send is to turn off wifi and use 3G. It then sends properly. This use to work for the past 2 years, but has stopped working. There were no changes on my end except the upgrades to new 4.3.x iOS upgrades. I didn't notice when this stopped working and whether it was due to an iOS upgrade or a change on by roadrunner on their servers.
If I change the return email address from my domain email address to my roadrunner email address, it send fine both at my home wifi and at AT&T wifi network. I have contacted roadrunner help support. They were less than helpfull. After 5 emails and 5 response from them, they said it was an Apple issue and that I should contact apple. Has anyone else noticed this issue?
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I am able to send on and off roadrunner's network, if have have my roadrunner email addres as the reply to by using the following http://help.rr.com/hmsfaqs/e_rrmail_emailSettings_iphone.aspx. My problem is when the reply to is not my roadrunner address but my own domain (which is forward to roadrunner) I can't send off network. I have not been able to solve that issue.

Can't send email when not at home

Hi there!
I can send and receive email fine when I am at home, but now I am away from my home I can download my email but not send anything. My settings all appear to be correct (no changes made since I left home) so I am wondering why this is.

As Andrew says, your ISP may be blocking the SMTP to prevent spam. However, you may be able to send Mail using another port. My ISP blocks SMTP on the default port (port 25 I think is default) but if you set the port to 587 it works.
So, check you ISP's help. You may be able to set SMTP to use a different port and get your mail to send

Can't send emails when away from home

I can send emails from my iphone when I'm at home, but not once I have left the house. I get the 'sending' bar at the bottom, but nothing ever happens. Any ideas?

When at home connected to your wireless network?
If so, is the email account provided by your internet service provider at home?
If yes, most internet service providers don't have an authenticated SMTP server with the email account they provide which is the problem.
Most, if not all ISPs block the use of SMTP servers that are outside of their network or not provided by the ISP unless the SMTP server is authenticated, and AT&T is no different in this regard when connected to the internet via their cellular network when sending email.
AT&T's SMTP server is included as an available SMTP server to select/use for an email account when connected to the internet via their cellular network if an email account does not have an authenticated SMTP server. This should work when connected to AT&T's cellular network but may not work when connected to your wi-fi network at home with your internet service provider being used for your internet connection.
I access two email accounts with the iPhone's Mail client. Both accounts have an authenticated SMTP server and I've never had any problems sending with either account regardless the internet service provider being used for my internet connection at the time.

Seem to have difficulty sending email when leaving the house

In my home, my iphone is connected via wifi. Emails from my pop accounts send fine...no problems. It seems that whenever I leave the house and it switches to 3G, my emails don't want to send. I actually have to go into each account's settings and either turn on or turn off the SSL setting. It just happens to be whatever it's set at. It'll work both ways so it's not like it's requiring SSL.

Unless this email account has an authenticated SMTP server regardless if the SMTP server supports SSL or not, you will have problems sending with the account when not connected to the internet via your internet service provider.
I access two email accounts with the iPhone's mail client. One account supports SSL for the incoming and outgoing mail server, and the other account does not, but each account has an authenticated SMTP server. I've never experienced any problems sending with either account regardless my internet connection.

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Contact the email provider and get the correct email account settings.
It should not matter what city or country you are in to send email, but there may be other factors which you are not aware are important and have left off.

TS3899 Can't send email, tried all the trouble shooting

Anybody have any idea why mail suddenly can't be sent?

Even though you tried "all the troubleshooting" I will offer this just in case. Sometimes settings can get corrupted.
Check the outgoing mail server setting. Make sure that your username and password are in there.
Settings>Mail, Contacts, Calendars>Your email account>Account>Outgoing mail server - tap the server name next to SMTP and check in the primary server and make sure your username and password are entered and correct - even if it says that the password is optional.

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Iphone 4s in settings can't access Notes or Mail. Also can't access mail from home screen. Can't send email. All else is good.

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Check out the HA options with Exchange 2013
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"But wouldn't I be using the same outgoing mail server if I was wifi or 4G?"
Yes it would be the same. Maybe I'm too tired to figure this out.
The only other thing that comes to mind is that your wifi router's firewall may be blocking that port. But if that were the case, your PC or Mac wouldn't be able to send mail either.

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I have set up a Time Warner email account in Mac Mail but can't send email because the Road Runner SMPT server is "offline." How can this be resolved? ecause the Road Runner SMPT server is offline. How can I resolve this problem?

I have set up a Time Warner email account in Mac Mail but can't send email with this account because the Road Runner SMPT server is "offline." How can this be resolved?

Is this any help?
http://www.timewarnercable.com/en/residential-home/support/faqs/faqs-internet/e- mailacco/how-do-i-set-up-my-twc-mail-for-mac-osx.html
The receiving email ports are:
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Can't Send Email When On The Road

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