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Re: [ietf-smtp] syntax

2019-02-10 13:51:21

I'm sure most folks here do follow the general idea of the "example." But wow, my bad, you're technically 100% right. I hope not to repeat it.

It should also be noted that not all SMTP servers will be strict here since there is a huge history of clients using a space, especially with legacy clients. Our SMTP server is relaxed here with such clients. If I recall, I think OE was one of them. Was not going to reject OE clients on this basis. I will be interested to know how your server behaved here? Strict or relax?


On 2/10/2019 2:13 PM, Claus Assmann wrote:
On Sun, Feb 10, 2019, Hector Santos wrote:

   C: MAIL FROM: <user1(_at_)example1(_dot_)com>

PLEASE use the correct syntax!

   C: RCPT TO: <local(_dot_)user(_at_)localhost(_dot_)example(_dot_)com>

RFC 5321
       MAIL FROM:<reverse-path> [SP <mail-parameters> ] <CRLF>
       RCPT TO:<forward-path> [ SP <rcpt-parameters> ] <CRLF>

    Since it has been a common source of errors, it is worth noting that
    spaces are not permitted on either side of the colon following FROM
    in the MAIL command or TO in the RCPT command.  The syntax is exactly
    as given above.


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