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#rfc5321 — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #rfc5321, aggregated by home.social.

  1. Surprise, the local part of email addresses, i.e. the part in front of the @-character, is per RFC case-sensitive. Do not mess with the local part.

    Relevant when sending out challenge mails, account validation mails, password reset mails, issuing S/MIME certificates, etc.

    Luckily a lot of the internet infra just ignores the case, but Apple Mail does not.

    #RFC5321 #RFC #email #SMTP #MTA #SMIME

  2. Surprise, the local part of email addresses, i.e. the part in front of the @-character, is per RFC case-sensitive. Do not mess with the local part.

    Relevant when sending out challenge mails, account validation mails, password reset mails, issuing S/MIME certificates, etc.

    Luckily a lot of the internet infra just ignores the case, but Apple Mail does not.

    #RFC5321 #RFC #email #SMTP #MTA #SMIME

  3. Surprise, the local part of email addresses, i.e. the part in front of the @-character, is per RFC case-sensitive. Do not mess with the local part.

    Relevant when sending out challenge mails, account validation mails, password reset mails, issuing S/MIME certificates, etc.

    Luckily a lot of the internet infra just ignores the case, but Apple Mail does not.

    #RFC5321 #RFC #email #SMTP #MTA #SMIME

  4. Surprise, the local part of email addresses, i.e. the part in front of the @-character, is per RFC case-sensitive. Do not mess with the local part.

    Relevant when sending out challenge mails, account validation mails, password reset mails, issuing S/MIME certificates, etc.

    Luckily a lot of the internet infra just ignores the case, but Apple Mail does not.

    #RFC5321 #RFC #email #SMTP #MTA #SMIME

  5. Surprise, the local part of email addresses, i.e. the part in front of the @-character, is per RFC case-sensitive. Do not mess with the local part.

    Relevant when sending out challenge mails, account validation mails, password reset mails, issuing S/MIME certificates, etc.

    Luckily a lot of the internet infra just ignores the case, but Apple Mail does not.

    #RFC5321 #RFC #email #SMTP #MTA #SMIME

  6. Auf der Arbeit war heute das text line length limit in RFC 5321 (SMTP) Thema.

    Kollege schickt mir dazu einen Text.

    Ich - "Na, KI gefragt?"

    Er - "Ja!"

    Gemini - "Erhöhe auf 4096-8192, einige Admins erhöhen sogar auf 32000 um Ruhe zu haben"

    Befragung Mitbewerber ergibt:

    Copilot - "> 1000 stellt ein Risiko dar (Kompatibilität, Sicherheit...)"

    Kollege konfrontiert Gemini damit:

    Gemini - "Copilot schützt hier das Protokoll (RFC). Sie müssen aber den Geschäftsbetrieb schützen."

    🍿 😂

    #rfc5321

  7. For reasons I am looking up if the "local part" of #email addresses is case-sensitive, i.e. if it could ever make a difference to write at [email protected] or [email protected].

    Google suggested this page and I thought the professionals at #Mailchimp might be a good source. But the article is not quite correct and this simple image sooo wrong! 🤮
    mailchimp.com/en/resources/are

    They managed to mislabel 3 of 4 parts! 🤦‍♂️

    #smtp #casesensitivity #rfc5321

  8. For reasons I am looking up if the "local part" of #email addresses is case-sensitive, i.e. if it could ever make a difference to write at [email protected] or [email protected].

    Google suggested this page and I thought the professionals at #Mailchimp might be a good source. But the article is not quite correct and this simple image sooo wrong! 🤮
    mailchimp.com/en/resources/are

    They managed to mislabel 3 of 4 parts! 🤦‍♂️

    #smtp #casesensitivity #rfc5321

  9. For reasons I am looking up if the "local part" of #email addresses is case-sensitive, i.e. if it could ever make a difference to write at [email protected] or [email protected].

    Google suggested this page and I thought the professionals at #Mailchimp might be a good source. But the article is not quite correct and this simple image sooo wrong! 🤮
    mailchimp.com/en/resources/are

    They managed to mislabel 3 of 4 parts! 🤦‍♂️

    #smtp #casesensitivity #rfc5321

  10. For reasons I am looking up if the "local part" of #email addresses is case-sensitive, i.e. if it could ever make a difference to write at [email protected] or [email protected].

    Google suggested this page and I thought the professionals at #Mailchimp might be a good source. But the article is not quite correct and this simple image sooo wrong! 🤮
    mailchimp.com/en/resources/are

    They managed to mislabel 3 of 4 parts! 🤦‍♂️

    #smtp #casesensitivity #rfc5321

  11. For reasons I am looking up if the "local part" of #email addresses is case-sensitive, i.e. if it could ever make a difference to write at [email protected] or [email protected].

    Google suggested this page and I thought the professionals at #Mailchimp might be a good source. But the article is not quite correct and this simple image sooo wrong! 🤮
    mailchimp.com/en/resources/are

    They managed to mislabel 3 of 4 parts! 🤦‍♂️

    #smtp #casesensitivity #rfc5321

  12. #Gematik #kim #rfc5321 #smtp #email
    Verstehe ich #RFC5321 falsch und die Aussage "Es kann technisch nicht ausgeschlossen werden, dass ein Empfänger die Liste der bcc-Empfänger ermitteln kann."

    Ist diese Aussage bedenklich oder verstehe ich RFC5321 gerade falsch?!