Anatomy of an email address The syntax of an email address is determined by Requests for Comments (RFC) documents, published by the Internet Engineering Task Force and the Internet Society. Together, they set standards for the usage of the Internet at large. RFC 5322 concerns itself with electr...
What It Means: Adhere to the correct format for email messages, including headers, body, and attachments. Action: Ensure your email components meet RFC 5322 standards. SendGrid blocks non-compliant emails. Don’t Impersonate Gmail From: Headers What It Means: Avoid using Gmail addresses in your...
address-rfc2821 RFC-5321 (Envelope) email address parser msimerson •2.1.3•a month ago•30dependents•MITpublished version2.1.3,a month ago30dependentslicensed under $MIT 48,596 convict-format-with-validator Formats 'email', 'ipaddress' and 'url' for convict ...
5.7.512Access denied, message must be RFC 5322 section 3.6.2 compliantMessage was sent without a valid "From" email address.Office 365 only. Each message must contain a valid email address in the "From" header field. Proper formatting of this address includ...
smtp-address-parser Parse an SMTP (RFC-5321) address RFC-5321 address email envelope rfc2821 rfc5321 rfc821 digilicious• 1.1.0 • 8 months ago • 7 dependents • MITpublished version 1.1.0, 8 months ago7 dependents licensed under $MIT 1,464,641 ...
Sender Policy Framework (SPF) is an email authentication method designed to detect forging of the sender address (Return-Path header) during the delivery of an email. SPF allows the receiving mail server to check during mail delivery that an email claiming to come from a specific domain was ...
Format messages according to the Internet Message Format standard (RFC 5322). Don’t impersonate Gmail From: headers. Gmail will begin using a DMARCquarantineenforcement policy, and impersonating Gmail From: headers might impact your email delivery. ...
Bug report Bug description: If an email message (modern or legacy) is assigned an address header that is pre-encoded with RFC 2047, calling as_bytes(policy=default) can generate an invalid address header. The resulting header may include...
5.7.512 Access denied, message must be RFC 5322 section 3.6.2 compliant Message was sent without a valid "From" email address. Office 365 only. Each message must contain a valid email address in the "From" header field. Proper formatting of this address includes angle brackets around the em...
The security impact of UTF-8 headers on email signature systems such as Domain Keys Identified Mail (DKIM), S/MIME, and OpenPGP is discussed in Section 14 of [RFC6530]. If a user has a non-ASCII mailbox address and an ASCII mailbox address, a digital certificate that identifies that ...