Question 1

How to parse email attachments with mail-parser?

Accepted Answer

Use the attachment() method on the parsed Message object to access attachments. It handles MIME parts and returns attachments with names and content, as shown in the example with nested messages and RFC2231 support.

Question 2

Does mail-parser support UTF-7 encoding for emails?

Accepted Answer

Yes, mail-parser supports UTF-7 encoding along with 40 other character sets, including legacy ones, making it suitable for parsing emails with diverse and obsolete formats.

Question 3

mail-parser vs lettre for email parsing in Rust – which is better?

Accepted Answer

mail-parser is optimized for high-performance, RFC-compliant parsing with zero-copy design, while lettre is a broader library that includes email building and sending. Choose mail-parser for parsing-heavy tasks and lettre for all-in-one email handling.

Question 4

Is mail-parser production-ready and tested?

Accepted Answer

Yes, it's battle-tested with millions of real-world emails and used in production by Stalwart Mail Server. It's thoroughly fuzzed and tested with MIRI for memory safety and reliability.

Question 5

How to extract text and HTML bodies from emails using mail-parser?

Accepted Answer

Use the body_text() and body_html() methods on the parsed message. The library automatically converts between formats when missing, per RFC 8621, as demonstrated in the example with HTML-to-text conversion.

Question 6

What are the performance benchmarks for mail-parser?

Accepted Answer

The README cites high performance with perfect hashing and fast Base64 decoding. Benchmarks can be run with cargo bench --all-features, but it's designed for speed, using techniques like Chromium's decoder for efficiency.

Question 7

Does mail-parser handle nested messages or MIME digests?

Accepted Answer

Yes, it fully supports nested messages and multipart/digest, allowing access to embedded emails and their contents, as shown in the example with attachment messages and complex MIME structures.

mail-parser

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