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The current implementation of a valid Fully Qualified Domain Name is not that strict. It just checks whether it has a dot (.) and if using macOS, it should not end with .local. As per RFC1035[1], from what I understood, the following checks need to be done: - The domain must contain atleast one dot - Each label (separated by dots) must be 1-63 characters long - Labels must start and end with an alphanumeric character - Labels can contain alphanumeric characters and hyphens Here are some examples of valid and invalid labels: 'example.com', # Valid 'sub.example.com', # Valid 'my-domain.org', # Valid 'localhost', # Invalid (no dot) 'MacBook..', # Invalid (double dots) '-example.com', # Invalid (starts with a hyphen) 'example-.com', # Invalid (ends with a hyphen) 'example..com', # Invalid (double dots) 'example', # Invalid (no TLD) 'example.local', # Invalid on macOS 'valid-domain.co.uk', # Valid '123.example.com', # Valid 'example.com.', # Invalid (trailing dot) 'toolonglabeltoolonglabeltoolonglabeltoolonglabeltoolonglabeltoolonglabel.com', # Invalid (label > 63 chars) Due to current implementation, I was not able to send emails from Ubuntu. Upon debugging, I found that the SMTP domain being passed to Outlook's servers was not valid. Net::SMTP=GLOB(0x5db4351225f8)>>> EHLO MacBook.. Net::SMTP=GLOB(0x5db4351225f8)<<< 501 5.5.4 Invalid domain name Net::SMTP=GLOB(0x5db4351225f8)>>> HELO MacBook.. Notice that an invalid domain name "MacBook.." is sent by git-send-email. We have a fallback code that checks output from Net::Domain::domainname() or asking domain method of an Net::SMTP instance to detect a misconfigured hostname and replace it with fallback "localhost.localdomain", but the valid_fqdn apparently is failing to say "MacBook.." is not a valid fqdn. With this patch, the rule used in valid_fqdn is tightened, the beginning part of the SMTP exchange looked like this: Net::SMTP=GLOB(0x58c8af71e930)>>> EHLO localhost.localdomain Net::SMTP=GLOB(0x58c8af71e930)<<< 250-PN4P287CA0064.outlook.office365.com Hello [1]: https://datatracker.ietf.org/doc/html/rfc1035 Signed-off-by: Aditya Garg <gargaditya08@live.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Git - fast, scalable, distributed revision control system
Git is a fast, scalable, distributed revision control system with an unusually rich command set that provides both high-level operations and full access to internals.
Git is an Open Source project covered by the GNU General Public License version 2 (some parts of it are under different licenses, compatible with the GPLv2). It was originally written by Linus Torvalds with help of a group of hackers around the net.
Please read the file INSTALL for installation instructions.
Many Git online resources are accessible from https://git-scm.com/ including full documentation and Git related tools.
See Documentation/gittutorial.adoc to get started, then see
Documentation/giteveryday.adoc for a useful minimum set of commands, and
Documentation/git-<commandname>.adoc for documentation of each command.
If git has been correctly installed, then the tutorial can also be
read with man gittutorial or git help tutorial, and the
documentation of each command with man git-<commandname> or git help <commandname>.
CVS users may also want to read Documentation/gitcvs-migration.adoc
(man gitcvs-migration or git help cvs-migration if git is
installed).
The user discussion and development of Git take place on the Git mailing list -- everyone is welcome to post bug reports, feature requests, comments and patches to git@vger.kernel.org (read Documentation/SubmittingPatches for instructions on patch submission and Documentation/CodingGuidelines).
Those wishing to help with error message, usage and informational message
string translations (localization l10) should see po/README.md
(a po file is a Portable Object file that holds the translations).
To subscribe to the list, send an email to git+subscribe@vger.kernel.org (see https://subspace.kernel.org/subscribing.html for details). The mailing list archives are available at https://lore.kernel.org/git/, https://marc.info/?l=git and other archival sites.
Issues which are security relevant should be disclosed privately to the Git Security mailing list git-security@googlegroups.com.
The maintainer frequently sends the "What's cooking" reports that list the current status of various development topics to the mailing list. The discussion following them give a good reference for project status, development direction and remaining tasks.
The name "git" was given by Linus Torvalds when he wrote the very first version. He described the tool as "the stupid content tracker" and the name as (depending on your mood):
- random three-letter combination that is pronounceable, and not actually used by any common UNIX command. The fact that it is a mispronunciation of "get" may or may not be relevant.
- stupid. contemptible and despicable. simple. Take your pick from the dictionary of slang.
- "global information tracker": you're in a good mood, and it actually works for you. Angels sing, and a light suddenly fills the room.
- "goddamn idiotic truckload of sh*t": when it breaks