Re: Email address checker
This WebDNA talk-list message is from 2002
It keeps the original formatting.
numero = 43833
interpreted = N
texte = Rob Marquardt wrote: > I could have sworn at the time I set it up that I had read an RFC stating > that the comma was an invalid character. It could be removed from the search > strings if not.RFC-2822 (which, when adopted, will supercede 822) states3.4.1. Addr-spec specification An addr-spec is a specific Internet identifier that contains a locally interpreted string followed by the at-sign character (@, ASCII value 64) followed by an Internet domain. The locally interpreted string is either a quoted-string or a dot-atom.where section 3.2.4 defines a dot-atom as ultimately containing characters of type atext:atext = ALPHA / DIGIT / ; Any character except controls, ! / # / ; SP, and specials. $ / % / ; Used for atoms & / ' / * / + / - / / / = / ? / ^ / _ / ` / { / | / } / ~ and Section 3.4 discusses mail lists (comma separated values). So technically, if we were to follow 2822 instead of 822, the local part of the e-mail address only includes the above characters. However, 2822 is not yet the accepted standard, so the best you can fall back on is this line from RFC-822:> The local-part of an addr-spec in a mailbox specification (i.e., the host's name for the mailbox) is understood to be whatever the receiving mail protocol server allows.which is to say no limitations at all, except on the part of the local MTA.John -- John Peacock Director of Information Research and Technology Rowman & Littlefield Publishing Group 4720 Boston Way Lanham, MD 20706 301-459-3366 x.5010 fax 301-429-5747 ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list
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Rob Marquardt wrote: > I could have sworn at the time I set it up that I had read an RFC stating > that the comma was an invalid character. It could be removed from the search > strings if not.RFC-2822 (which, when adopted, will supercede 822) states3.4.1. Addr-spec specification An addr-spec is a specific Internet identifier that contains a locally interpreted string followed by the at-sign character (@, ASCII value 64) followed by an Internet domain. The locally interpreted string is either a quoted-string or a dot-atom.where section 3.2.4 defines a dot-atom as ultimately containing characters of type atext:atext = ALPHA / DIGIT / ; Any character except controls, ! / # / ; SP, and specials. $ / % / ; Used for atoms & / ' / * / + / - / / / = / ? / ^ / _ / ` / { / | / } / ~ and Section 3.4 discusses mail lists (comma separated values). So technically, if we were to follow 2822 instead of 822, the local part of the e-mail address only includes the above characters. However, 2822 is not yet the accepted standard, so the best you can fall back on is this line from RFC-822:> The local-part of an addr-spec in a mailbox specification (i.e., the host's name for the mailbox) is understood to be whatever the receiving mail protocol server allows.which is to say no limitations at all, except on the part of the local MTA.John -- John Peacock Director of Information Research and Technology Rowman & Littlefield Publishing Group 4720 Boston Way Lanham, MD 20706 301-459-3366 x.5010 fax 301-429-5747 ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://search.smithmicro.com/
John Peacock
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