Why "550 Message rejected due to senders DMARC policy" even if message properly authenticated on Yahoo SMTP server? Why "550 Message rejected due to senders DMARC policy" even if message properly authenticated on Yahoo SMTP server? … Why "550 Message rejected due to senders DMARC policy" even if message properly authenticated on Yahoo SMTP server? Read more about Open SMTP Servers Without Authentication – Why 550 Message Rejected Due To Senders DMARC Policy Even If Message Properly Authenticated On Yahoo SMTP Server?[…]

is e-mail automatically in the public domain?

is e-mail automatically in the public domain? … There have been a number of Law and Order episodes which have featured lawyers for either the prosecution or the defense going to computer security experts and retrieving e-mails (in order to prove the guilt or innocence of a particular party). These e-mails were not retrieved off of personal computers (sending and/or receiving the e-mails) but rather they were recovered within the public domain, as it were.

It seems from these episodes that once an e-mail is sent in the public domain (without it being encrypted) it can be retrieved/uncovered and read by such experts. Is this true? When an e-mail is sent in the public domain, is it truly something that has become "public"?

Thanks!

Seems a lot of "poetic licence" to me.

Yes, if the mail has been sent and is still on a server somewhere, then it could easily be viewed.

Yes, it is like a "postcard" while in transit, and the UK's Regulation of Investigatory Powers Act 2000 allows for a "black box" unit to be installed at an ISP's datacentre to copy all traffic the security services determine is "interesting".

In theory this could mean that all e-mail to/from a specific user could be copied away to some government agency for archiving. One ISP I use had contingency plans to move their mail servers offshore if ever they were required to fit some "black box", and the managing director (previously their most senior systems man) said that users could ask about whether anything had been fitted, and while they were getting the answer "no, nothing so far" that would be exactly what it meant, once something was fitted, the ISP would not be able to answer (not allowed!) so that would be a clue!

Anyway, biggest problem I see is that a single person can have dozens of different mail addresses. I have at least 30 different domains / websites (*) / mail accounts. Some have mail stored in the UK, some in USA, some outside those countries. Which mail address I use determines all sorts of things… some of the mail accounts check others for new mail (and delete it from the original server). Some mail addresses will trigger a message to my mobile phone…

I am hardly a genius, and know that *if they wanted to* they could probably run rings around me to find all the messages, but it could be far more complicated

If I was involved in crime or terrorism, I'd likely use encryption and lots of extra options to break down the easy tracking of messages.

Heck, it can be a puzzle for me to work out why a message didn't end up in a mailbox where I expected it, so it could give "them" a merry dance to track down what happened to a message 🙂

(*) I have at least a half dozen web "reseller" accounts, each can hold dozens of domains (some mine, most belong to clients)

[…]

what are my incoming and outgoing server settings?

what are my incoming and outgoing server settings? … I am having trouble sending email using Windows Mail

You can also check your yahoo email incoming(POP3) and outgoing server(IMAP) address on your yahoo mail itself so that it will be helpful to you when you will going to enter your incoming(POP3) and outgoing Address when you configure your yahoo account in outlook , please follow below steps :

Open yahoo inbox then Upper right corner, click OPTIONS then mail options and then in the left navigation pane see pop and forwarding then set up edit and pop & forwarding, then in the top sections web and pop access then click pop and settings, check out your yahoo incoming and outgoing mail server that will be used when you are going to set your mail in outlook express.

Many Thanks

Note: But don’t try to edit these settings of your yahoo mail account otherwise might be some problem will occur when you try to open your yahoo mail Account.

Or try this:

Incoming Mail Server [POP3]: pop.mail.yahoo.com with port 110

Outgoing Mail Server [SMTP] – smtp.mail.yahoo.com with port 25

I hope this will be helpful for you

Many thanks

[…]

server rejected sender’s email address?

server rejected sender’s email address? … When I attempt to send email from my laptop running Windows Live Mail, the following error occurs:
“Message could not be sent because the server rejected the sender’s email address. The sender’s email address was (my email address)”. The server error listed is 530 (0x800CCC78) – authentication required. I’m attempting to setup email from yahoo as a feed through Windows Live Mail. The server designations suggested by my ISP are incomming server: pop.mail.yahoo.com (port is 110). The outgoing server: smtp.mail.yahoo.com (port is 25)

You’re using the wrong server settings. You need to upgrade to Yahoo Mail Plus and use these settings:

Incoming mail server settings

POP server: pop.mail.yahoo.com
Use SSL
Port: 995

Outgoing mail server (SMTP) settings

SMTP server: smtp.mail.yahoo.com
Use SSL
Port: 465

Use authentication

Account Name/Login Name: Your Yahoo! Mail ID (your email address without the “@domain.com”, for example, “jo.bloggs”)
Email Address: Your Yahoo! Mail address (for example, jo.bloggs@yahoo.com)
Password: Your Yahoo! Mail password

[…]

What is the best Mail Server to install in a small company?

What is the best Mail Server to install in a small company? … I want to know what is the best mail server , for either linux/Windows based that support web ui
I have tried some, and found Kerio Connect the best up to my search.
tried some more like smarter mail, mail enable, IMail but found those use-less (No pop3 download support, No SMTP relay sends,…..) .

anyone can help?

Hi Michael,

I was actually in a similar spot a little over a year ago as my company IT manager left and our mail was in bad shape running Eudora worldmail from I think the 90's. I was tasked with finding the best mail server for our budget so this immediately removed Microsoft Exchange from it.

We ended going the route Chris D mentions but I think he said it right when saying skillset and preferences because this setup really takes a lot of time and experience to get right and we had a ton of problems because no one was a true Linux admin so our search went on and we tested smartermail (didnt like it at all), then axigen (not for us) and then settled on two products to bake off against each other, Kerio which you mention and IceWarp so I will give you the results and hopefully it might help you.

Kerio

We liked this product a lot as it seemed to have everything we wanted and in our testing seemed to be pretty solid, we discovered a few minor bugs but nothing that would drastically change our opinion. It has full support for all mail protocols, a decent web interface, mobile support (which is a growing need for us and it was FREE!!) and a Outlook plugin. We were impressed to say the least with almost everything except that during our testing they released a statement stating ActiveSync would no longer be free and they also had a dust up with customers on what seemed to be a drastic switch in their support model so this made us pause and look at IceWarp more seriously.

IceWarp

We had never heard of them but one of the other engineers recommended them from use at a past company. When looking at their feature set they too had everything we needed and actually more as we were able to use their integrated archiving feature and remove our old archive appliance and the product was very easy for us to administer and install so that was a huge bonus for our small IT staff. They had one feature that finally put it over the top for us as our choice, they call it SmartAttach, the ability to send large attachments through email, this has cut our storage cost by almost half so the higher ups love that.

All in all Kerio was good but we felt IceWarp just had a few more features and was just as nice in the interfaces and ease of use. The one knock on IceWarp was documentation, I feel this could have been a little better by including more examples for newbies like me but their support worked with me on anything I needed and got me going quickly so I forgive the docs.

Hope this helps, it was a challenging time for me during that process so thought I would give back a little if it might help. If you do look at IceWarp tell them Grayson Davis with Icon Motors referred you and I can get 10% off my next order and you would as well as part of their referral program.

Good Luck!!

[…]

Remote host said: 550 relaying denied for – AGAIN !!!?

Remote host said: 550 relaying denied for – AGAIN !!!? … A earlier reported error has arised again due to an error on a YAHOO server….
Does YAHOO wants us to make us select another mail supplier, which is more reliable. ??

I am also having this problem "550 550 relaying denied".

It's a complete pain and, although I contacted the help team by email, I have not even got an acknowledgment yet.

Extremely frustrating.

🙁

[…]

Error 554 Message not allowed – [298]?

Error 554 Message not allowed – [298]? … Employer sending me e-mail to Gmail and Yahoo inboxes. Cannot forward email with attachments to Yahoo. I get this: Error 554 Message not allowed – [298]. I cannot find what this means or how to fix it. Can someone PLEASE help? Thank you!

Wow — this one's a toughie! I've searched and searched, and I keep coming up with references to a secondary error code of 320 instead of 298, which is the only one that Yahoo publishes a help page for:

http://help.yahoo.com/kb/index?locale=en_US&y=PROD_MAIL&page=content&id=SLN4781

I found a list of the meanings of the primary SMTP error codes here (this is page 2 of it):

http://email.about.com/cs/standards/a/smtp_error_code_2.htm

which gives the meaning of 554 as :

554 – The transaction failed. Blame it on the weather.

(!!!???) That suggests it's a catchall code for errors that don't fit the other categories. Yahoo has evidently defined these errors for its own benefit and supplies the definitions in the secondary codes (the 298 in your case), but if they've published them publicly I haven't been able to find them.

Are the attachments larger than the Yahoo limit of 25 megabytes? If so, that's probably what it means. The 554 error code does relate to the data of the message itself in some way according to the standards document and the link I provided below for us communications geeks.

If not, I can only suggest you go to whatever help page is provided on your gear symbol's drop-down menu (top right corner of mail page) and see if you can get a number to call Yahoo and ask for help.

=============================================================

Note for the geeky:

I can't find definitions of secondary error codes in the SMTP standards documents linked on this page either, but they're great for learning things about the SMTP protocol.

http://www.greenend.org.uk/rjk/tech/smtpreplies.html

=============================================================

Later: Reply to Doron K:

Is your reply encoded in an HTML attachment? Yahoo has a limit of 25 MB for attachments.
Do you reply to many people at the same time? Yahoo has an unpublished limit on the number of addresses an email can be sent to.

If it's not anything like this, I think you need to get in touch with a Yahoo tech — this question is beyond the capabilities of those of us on the forum (unless there are Yahoo stealth techs on here, which I suspect there are — one of them slipped and used the word "us" in a reply once). Even then, as a former computer programmer in the communications field, I'd probably need to see the full data in HEX or HTML CODE, not the finished product, in order to figure this one out.

Go to the Help page from the drop-down menu on the gear symbol and call or send a written description of your problem to Yahoo.

[…]

530 Access denied : Free users are not supported on this server.what does this means authorization failure?

530 Access denied : Free users are not supported on this server.what does this means authorization failure? … i had changed port number and also added plus before servers`s name but after previous questioned error i am receiving this error.what should i do?

Hello,

Yahoo does not allow to POP emails or configure account in outlook with free email address. First thing, is your account is Yahoo Plus ( Paid Account) than you can configure your account in outlook or any other mail client, the mail server information you are providing is invalid. if you are paid account than follow these steps else you have to upgrade your email account to plus.

Click on Options > POP & Forwarding > Set up or edit POP & Forwarding > View POP Settings > HERE PAGE WILL POP UP and Contains the information regarding configuration
e.g
Server Settings
Incoming Mail Server (POP3): pop.mail.yahoo.com
Use SSL, port: 995
Outgoing Mail Server (SMTP): smtp.mail.yahoo.com
Use SSL, port: 465, use authentication
Account Name/Username: usmanbinasif@yahoo.com
Email address: usmanbinasif@yahoo.com
Password: Your Yahoo! Mail password

Below you will find the help links for configuring your email account on different mail clients(like Outlook)

Regards,
Usman Javed

[…]

I need Yahoo server information so I can set up my printer to email.?

I need Yahoo server information so I can set up my printer to email.? … I'm setting up my Lexmark wirless printer to email. To do that I need Yahoo's SMTP Server name, SMTP Port number, and if the authentication is plain, plain TLS, or NTLM. I also need a username and password if that is applicable.

There are two sets of settings for Yahoo email. The first assumes that you are allowed POP3 access on the FREE accounts. Many of us have to use the PAID Yahoo Mail Plus accounts in order to access POP3 facilities, in which case the second set of settings would apply.

1) Yahoo! Mail Settings (if allowed)

Yahoo Incoming Mail Server (POP3) – pop.mail.yahoo.com (port 110)
Yahoo Outgoing Mail Server (SMTP) – smtp.mail.yahoo.com (port 25)

2) Yahoo! Mail Plus email server settings
Yahoo Plus Incoming Mail Server (POP3) – plus.pop.mail.yahoo.com (SSL enabled, port 995)
Yahoo Plus Outgoing Mail Server (SMTP) – plus.smtp.mail.yahoo.com (SSL enabled, port 465, use authentication)

If you need to upgrade, go to Options > Mail Plus > Upgrade now > enter your payment details for $19.99 annual fee to complete the process.

[…]

why do i get "authentication failed" when i try to set up yahoo mail on my iphone?

why do i get "authentication failed" when i try to set up yahoo mail on my iphone? … I am also getting "invalid ID/password. I have double checked my password, spelling of my ID, and I am connected to my home wireless internet. What am I doing wrong? How can I set up my yahoo mail on my iphone?

You need to upgrade from the FREE Yahoo email to a PAID account Yahoo! Mail Plus for this to work.

[…]