Although the Domain Name System supports non-ASCII characters, applications such as e-mail and web browsers restrict the characters which can be used as domain names for purposes such as a hostname. ), I'll look at it and see what is a problem. Recreate the mail group in Thunderbird's address book (give it a different name to avoid confusion with your OS X Address Book group name). This was originally written to help detect non-portable text in files in packages. User Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; Trident/7.0; .NET4.0E; .NET4.0C; .NET CLR 3.5.30729; .NET CLR 2.0.50727; .NET CLR 3.0.30729; GWX:DOWNLOADED; rv:11.0) like Gecko. Learn More. According to their announcement, “A first step toward more global email”, adopting a new e-mail standard is difficult because every server between sender and recipient has to support unicode character sets used for email addressing. The backslash quotes any character and causes the following character to lose the special meaning it usually has in the context. Create a thread and find answers by posting a question to any of our product support forums. Anyway, let’s talk about that in detail! My address list which has worked perfectly swell in Outlook Express for many years, does not work when imported into THUNDERBIRD because of the "non-asciii character" problem. Do a skydive - halfway completed; get 1400 - still working on; reach 300kph - completed by 96.6%, Sending email to non-ASCII character email address. Using Postfix SMTPUTF8 su… Hi Dmitry, Thanks for your response. You shouldput the normalized form in your database and always normalize beforechecking if an address is in your database. I have the same problem with Thunderbird 38.6.0 when trying to send to a group set up in Mac OS X (El Capitan) Address Book. UTF-8 characters are used to represent the non-ASCII characters such as Chinese & Japanese characters. Somehow I was sure there are plenty of email services and websites in Japan and China using non-ASCII characters in email addresses and domain names. The 78-character limit remains defined in terms of characters, not octets, since it is intended to address display width issues, not line-length issues. Wayne9999 Posts: 62 Joined: January 1st, 2011, 1:42 am. None of the addresses, nor the mail group name, contain non-ASCII characters. On 7 November 2016 at 10:28, hotkeeper wrote: Steps to reproduce the issue. According to their announcement, “A first step toward more global email”, adopting a new e-mail standard is difficult because every server between sender and recipient has to support unicode character sets used for email addressing. Topics covered in this document: 1. Check the email address. Some of these address books are quite large since I manage communications with my graduating classes and military units. Please note that encoding is not a good solution for this issue, our sincere apologies for any confusion or frustration. Unfortunately none of well-known in Russia Email services like GMail, Yandex or allows you to register an email address with cyrillic characters in the local part (also known as user name) which goes before @ character. Introduced with Postfix version3.0, this fully supports UTF-8 email addresses and UTF-8 messageheader values. The presentation of the addresses look like perfectly ordinary alpha or number characters to me and I can't see anything that looks even slightly "non-ascii", but they still will not send. Since WTForms has quite loose validation for email addresses, our server tried to send a message to that address with Flask-Mail and failed. And the most advance challenge was to get one of these non-ASCII character email addresses! *Yandex announced support for cyrillic domains back in 2010 and promissed they will remove the non-ASCII character limitation for the local part of email address in the nearest future. Why not now? Sending to the T-bird address book group (containing exactly the same e-mail addresses as the one in OS X Mail's Address Book) appears to work fine. Message transport. I must delete each of these from the send to list or select each individual. I thought it was recent. For sure you can search for them on your own – may be you are luckier than me, however you are pretty much doomed without knowledge of language and without having a proper keyboard. These extensions provide support for multi-byte and non-ASCII characters in email addresses, such as those with diacritics and other language characters such as Greek and Chinese. Worked fine before the updates, now not so much. Non-ASCII characters in Email subject Published 2010/07/08 by Daoyuan Li In this system, Email subjects are encoded in Q' scheme, a scheme similar to quoted printable’. So how do I send an email to multiple recipients? We will never ask you to call or text a phone number or share personal information. Visit Mozilla Corporation’s not-for-profit parent, the Mozilla Foundation. This function prints elements of a character vector which contain non-ASCII bytes, printing such bytes as a escape like . x: a character vector. ProtonMail is privacy-focused, uses end-to-end … I have successfully registered an email address with cyrillic characters in both local and domain part and sent a test email to that address using Gmail, Yandex and services.