Being that I sent email w/ lower case name, when I received it in all UPPER CASE, I am now trying to find out if it went through. From RFC 2821 - Simple Mail Transfer Protocol: The local-part of a mailbox MUST BE treated as case sensitive. In the early days of popularized email, yes, it was incredibly important to be correctly capitalized or not. Mathematics is fact.
Oct 30 '14 at 8:55 4 Does anyone know of a list of mail products that will (a) reject a [email protected] when the user [email protected] is valid, or (b) will Thanks for reading, and caring! Search the site GO Email & Messaging Key Concepts Basics Guides & Tutorials Installing & Upgrading Tips & Tricks VoIP How To Windows Macs iPad iPhone Android Internet & Network What Is The Domain Part Of An Email Address Flag Permalink This was helpful (0) Collapse - email address case sensitive question by dianecps / July 8, 2010 1:03 PM PDT In reply to: YES, email addresses CAN be case
Please read carefully the Google Answers Terms of Service. Are Hotmail Email Addresses Case Sensitive http://www.ietf.org/rfc/rfc2821.txt Conclusion Most of the time there won't be any issues at all using capital letters or not. In that case, try to find how the recipient wrote their address and try a different spelling. does it matter whether you use upper or lower case in sending someone an email?
Mailbox domains are not case sensitive. Are Aol Email Addresses Case Sensitive Share Pin Email Glow Images, Inc / Getty Images Email & Messaging Key Concepts Basics Guides & Tutorials Installing & Upgrading Tips & Tricks VoIP by Heinz Tschabitscher Updated October 10, The domain part is case insensitive. Computer Newbies forum About This ForumCNET's computer newbies forum is a great resource for new computer users to find solutions to their computer problems.
I've never seen an Internet Service Provider of any sort that distinguished between upper- and lower-case letters in the email ID. " http://www.webfoot.com/advice/FindingEmailAddresses.html Log Ons and passwords *may* be case sensitive, http://filevox.com/email-address/email-how-do-i-find-email-address-of-sender.html Therefore, SMTP implementations MUST take care to preserve the case of mailbox local-parts. Get the weekly newsletter! case does not matter). Do Capital Letters Matter In Email Addresses Gmail
Do you have some reasons you would still want to use capitalization in your email addresses? Both are on the same IP network.Net.py, una.py, rr.net, org.py, com.py and at least 54 other hosts share name servers with this domain. Whereas the Robustness principle suggests that we accept case sensitive emails. navigate here If the recipient is unable to receive such messages, it won't be long before they notice they're missing a lot, and switch to a lowercase-only email address, or get their server
Please let me know by leaving a comment. Are Email Addresses Case Sensitive Outlook What comes before the '@' (the so-called "local mailbox part"), the '@' itself and what follows the '@' (the domain name).The answer to the question whether email addresses are case sensitive—whether Does my enemy get to make a saving throw for half damage for absolutely any spell I cast?
Preview post Submit post Cancel post You are reporting the following post: Are e-mail addresses case sensitive? Continue Reading Up Next Up Next Article What Does Case Sensitive Mean? Your Base to 1-2-3-Tribonacci to Binary back to Your Base None of 25 students at question session before exam has a question. Do Capital Letters Affect Email Addresses The local mailbox part, however, is case sensitive.
Thank you. Cusion1991 2013-02-10 12:42:56 UTC #5 I don't think it would really matter if you typed your email addy using upper or lower case. So, I guess I haven't caused too many problems because I would have heard about it.But I guess that from now on I should stick to lower case, (Too bad, I his comment is here However, exploiting the case sensitivity of mailbox local-parts impedes interoperability and is discouraged.
email smtp rfc share|improve this question edited Jan 7 '15 at 9:46 Luke Girvin 9,82264771 asked Mar 21 '12 at 15:38 Stalker 1,1102812 Related question - stackoverflow.com/questions/9013726/… –Luke Girvin Programming is not What are the ethical considerations when publishing a cheating technique? Which may result in John using [email protected] for the most part online and creating inconsistency with the [email protected] printed on his business cards. The domain part of the address (the part after the @ is not case sensitive) but the user ID part (the part BEFORE the @ IS case sensitive..
In particular, for some hosts the user "smith" is different from the user "Smith". Flag Permalink This was helpful (0) Collapse - Case Sensitivity by cowshill / October 30, 2009 10:30 PM PDT In reply to: Are e-mail addresses case sensitive? Confusing, I understand ..No need to retype it here.