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Certified email (known as Posta elettronica certificata in Italy, or PEC in short) is a special type of email in use in Italy, [1] Switzerland, [2] Hong Kong [3] and Germany. [4] Certified email is meant to provide a legal equivalent of the traditional registered mail , where users are able to legally prove that a given email has been sent and ...
The format of an email address is local-part@domain, where the local-part may be up to 64 octets long and the domain may have a maximum of 255 octets. [5] The formal definitions are in RFC 5322 (sections 3.2.3 and 3.4.1) and RFC 5321—with a more readable form given in the informational RFC 3696 (written by J. Klensin, the author of RFC 5321) and the associated errata.
The result is email that contains international characters (characters which do not exist in the ASCII character set), encoded as UTF-8, in the email header and in supporting mail transfer protocols. The most significant aspect of this is the allowance of email addresses (also known as email identities) in most of the world's writing systems ...
In 1994 the regular average of delivered daily mail after dispatch was less than 20% in Italy, compared to almost 80% in Germany. In 1989, the average time for mail delivery was 8.5 days. An attempt was made to contain the obvious gap in the quality of Italian postal service compared to the rest of Europe, with Decree-Law no. 487 of 1 December ...
An outstanding rationale for email authentication is the ability to automate email filtering at receiving servers. That way, spoofed messages can be rejected before they arrive to a user's Inbox. While protocols strive to devise ways to reliably block distrusted mail, security indicators can tag unauthenticated messages that still reach the Inbox.
DomainKeys Identified Mail (DKIM) is an email authentication method designed to detect forged sender addresses in email (email spoofing), a technique often used in phishing and email spam. DKIM allows the receiver to check that an email that claimed to have come from a specific domain was indeed authorized by the owner of that domain. [ 1 ]
RFC 5321, [2] defines an email address as a character string that identifies a user to whom mail will be sent or a location into which mail will be deposited. The term mailbox refers to that depository. In that sense, the terms mailbox and address can be used interchangeably. RFC 5322 defines a mailbox as follows: [3] A mailbox receives mail ...
In computing, the Post Office Protocol (POP) is an application-layer Internet standard protocol used by e-mail clients to retrieve e-mail from a mail server. [1] Today, POP version 3 (POP3) is the most commonly used version. Together with IMAP, it is one of the most common protocols for email retrieval.