Hotmail - Sender email address is invalid

Hi,
Ever since I got my new iPhone 3GS, I have not been able to send emails. I had an izymail subscription for hotmail on my original iPhone and it worked fine. I synced everything over to my new iPhone 3GS and also made a new email account as Hotmail is now free to set up using POP3.
I turned my izymail account off because I was having problems with it fetching old deleted emails once or twice a week. Everything was working as normal until I tried to send an email and the following message appeared: "Sender email address is invalid"
I've tried switching my izymail account back on and switching my new Hotmail POP3 account off and my emails will send ok...
So why are my emails not sending with my newly setup Hotmail POP3 account?

Sender Address invalid is the error message you get when your SMTP (outgoing email) settings are not working.
Many times this is because you are trying to use an SMTP server on a WiFi network and the ISP is blocking all SMTP connections that are not going to the ISP servers - this is to stop spammers.
Also, you will get this message when you try to use your SMTP server on 3G or Edge - the ISP sees a connection to their email server (SMTP) coming from AT&T (or your cell carrier) network not their own network and they think it is spammer so they deny the connection.
Some things to try - turn on the default SMTP server on the ipHone that corresponds to your carrier - when on 3G/Edge you can use this outgoing email server to connect without problems. Or, look to see if your ISP offers an email server on a different port (mine offers one on port 80 - all web browsers use this so other nets can't block it). Look for settings for authenticated SMTP servers - if your mail provider offers this it may be a way in also.
The search box (top right) will bring you many threads on this same subject.

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Cannot Send Mail One of the Recipients Email Addresses is Invalid

Cannot Send Mail One of the Recipients Email Addresses is Invalid
This is the error message I keep getting on outgoing mail. Incoming mail works fine. Does anyone have any suggestions to try?

You mean you can receive and send messages when you are connected to your wi-fi network at home with your internet service provider as the internet connection for your wireless network at home, but you are unable to send messages with this account when connected to AT&T's cellular network?
If so, this leans toward your email account being provided by your internet service provider.
Most internet service providers block the use of SMTP servers that are outside of the ISP's network or not provided by the ISP unless the SMTP server is authenticated. Not many ISPs provide an authenticated SMTP server with the email account they provide their customers.
You can do one of two things. The iPhone includes AT&T's SMTP server to select as the SMTP server to use for this email account when you are connected to AT&T's cellular network, but you probably won't be able to use AT&T's SMTP server to send with the account when connected to your wi-fi network at home.
Or you can switch to using an email account that provides an authenticated SMTP server. A Gmail account is one, and a MobileMe account is another.

Replying to an email from iPhone - "cannot send as address is invalid"

This seems to have started happening only recently. When an email comes in on my iPhone and I need to respond, I hit reply, type my text and when I hit send, the warning comes up "Cannot send because email address is invalid." Has anyone else had this problem or has a solution? Really thwarts the email aspect of the iPhone.
Much thanks in advance for anyone's help.

+1
this is happening only with my gmail account...i hope it's a gmail problem.still waiting for the fix.
cheers

Got a new mac today, I created my iCloud account (and therfore my Apple ID?) I tried to set up my iTunes and download updates, and it says i need to review my account, then I had to edit my Apple ID details, but said my email address was invalid???

Got a new mac today, I created my iCloud account (and therfore my Apple ID?) I tried to set up my iTunes and download updates, and it says i need to review my account, then I had to edit my Apple ID details, but said my email address was invalid???

From the information that you have provided, it sounds like your Apple ID has been disabled. You can read this to see how you can troubleshoot that issue.
Apple ID is Disabled - Apple Club - Google Sites
You can try signing out of your ID on the iPad and sign in with his ID and see if that works.
Settings>iTunes and App Stores>Apple ID. Tap your ID and sign out. Then sign in with your husband's newly created ID.

Webservice needs sender email address to be that of service user -how todo?

I host a web service. It is used by merchants in their web sites. My web service sends notifications to the merchants customers. Trouble is the sender email address is my web service email address and not that of the merchant. Some merchants do not like this and they want emails to their customers to be seen to come from them.
What would I (or the merchant) need to do in order to be able to set the sender email address to that of the merchant. Im assuming I can't just go ahead and set the sender to be any old email address! e.g. Im thinking Id have to use the merchants smtp host or something.

You can set the sender to whatever you want; that's why there's spam.
Whether your SMTP server will allow you to send with any arbitrary sender is a different story.
If you run your own SMTP server, you can control this. Otherwise, yes, you would probably need
to use the merchant's SMTP server and login credentials.

Sender email address verification

During my recent DNS server outage (caused by XO DSL suddenly turning on filtering of port 53), I noticed something quite interesting with .Mac server and I am wondering if there is a way for Tiger server users to EASILY implement the same feature to reduce the inflow of spam?
When my DNS stopped, my .Mac account STOPPED accepting email from my work account, essentially saying there was no such account on my work server.
I obviously do understand that the fact that my DNS was not working and my server could not be verified was the reason for this, but it got me thinking....
Is there any easy way to put this sort of incoming email verification process on my OWN Tiger server (work)? i.e. Only accept delivery of incoming email AFTER you verify that the sender email address DOES correspond to a valid email account on the senders host?? - which means no bogus email address or hostnames accepted...
I think this would help cut down on a lot of Spam as these guys often send junkmail via bogus accounts/host names that cannot be replied to.
Any useful information regarding setting this up would be most appreciated
Thanks in advance - Rohin

My question is ... wouldn't it make sense to check whether sender emails are valid before accepting email server connections.
There's not really any way of doing that, besides, that's not really what you want.
What you want is to ensure that the email comes from the person that it says it comes from. What you'd get is that the email says it comes from a valid email address. This is not the same thing.
Even now, 99% of spam emails are sent from valid email addresses - it's trivial to put any email address in the 'from' header.
Knowing that the From address is valid doesn't actually do anything to say that the person in the From header is the one who actually sent the message in the first place.
There are several industry-wide attempts and performing validation at the domain level, which is about as good as it's going to get in the near term. For more information check out Sender Policy Framework which defines (via DNS) which IP addresses are permitted to send email for a particular domain, and DomainKeys which uses digital signatures to validate the email.
Since both models require input from the domain owners, they won't be 100% reliable until all domains opt-in to the schemes. For now it can help validate that an email is from a legitimate domain, but the absence of a SPF or DomainKey doesn't necessarily mean the message is spam.
The only way to verify that the email comes from a valid user is some kind of confirmation - an email comes into your mail system which doesn't recognize the sender, so it holds the mail and sends a message back to the sender saying 'who are you?" and "if this message is legitimate, follow this link to unblock the message". The message is forwarded only after the sender confirms their identity and that the message is legitimate.
This has all kinds of issues, though including latency (it takes longer for messages to get to you), delays (what if the sender sends the message right before they leave on a week's vacation?), and not least the complete lack of support for any kind of automated messages, list, etc. that are sent from non-humans.

Workflow step - send email - address of sender

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Hello,
If you're usng a SendMail step then (if I remember correctly) it's always run in background and therefore always WF-BATCH.
Usually, if I want to do anything unusual with mails from workflow then I create a step which calls a task which calls a new method of my BOR object which calls fm SO_NEW_DOCUMENT_ATT_SEND_API1. See if you can specify the sender there.
Please let the forum know how you get on.
regards
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Hanabi Technology

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This is an ongoing problem I have with my iPad. I create a login for a site using my usual email address. When I attempt to login again to the site, the iPad insists the email address is invalid So I can't login. I moved to a different email address and the same thing happened. I tried updating the operating system but to no avail. This is very important as I'm attempting to apply for a new job.

If this is just happening on one website, that suggests to me that the problem is with the website. Or is this something that happens anywhere that you try to use your email address?

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<P>
Not by default. However, in netscape.mail.conf, you can set
RewriteFromUsingAuth and/or RewriteSenderUsingAuth to "Yes"
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<P>
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I found the answer.
Apple has turned on an app-specific password for iPhoto and other Apple apps. It's located in the Apple ID management section under Passwords and Security.
As soon as I entered that new generated password in iPhoto I was able to send a pic with my iCloud.com email address.
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Thanks SriniVEERAVALLI,
I tried to create a profile in the WLS and granted admin right; after that i tried to run an ibot 'Run as' that profile, however, after trying that it still shows up with the global sender email address as a sender.
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My objective is to change my sender email address. For example, suppose my OCS email address is [email protected] and I would to send an email to [email protected]
John logs into yahoo mail and would see my mail. Upon opening my email, I would like John to see that the sender email address to be [email protected] so that whenever John replies my mail, the replied mail would go to [email protected] and not to [email protected]
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Your observation is very correct in terms of symptoms, not of behaviour. We have numerous ER's there enabling header rewriting, too. Obviously for you, envelope rewriting works well, without to achieve the target you want to address. Please forward your request to Support Services with an Enhancement Request for native header rewriting.
Otherwise 3 ways:
1 Milter C-SDK
2 Milter general
3 relay accomplishing this task.
On 2,3 we have samples ready, for 3 in particular for postfix.

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The Customer Account Statements that are sent via email in the transaction F.27 show that the sender email address is not equals the Accounting Clerk (KNB1-BUSAB) maintained in customer master data (FD03). Instead, the sender email address here is the email address of the person executing the transaction F.27.
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Hi Ajay,
Thanks for your input. Really appreciate it. Would you please enlighten me further?
"The accounting clerk’s name is then printed in any correspondence with the customers or vendors."
The statement above leads me to think that consequently, the accounting clerk's email address should be the sender email address for the mail that is sent to the customer.
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The customer is saying that this should not happen, so my colleague and I are just investigating this issue further.
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Hotmail - Sender email address is invalid

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