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aioSMTPD accepts invalid RCPT TO:Postmaster without angle brackets instead of rejecting it

Status: Open.

#564 In aio-libs/aiosmtpd;

· rsingha108 opened on Jan 21, 2026

aioSMTPD accepts invalid MAIL FROM syntax without angle brackets instead of rejecting with 501

Status: Open.

#563 In aio-libs/aiosmtpd;

· rsingha108 opened on Jan 21, 2026

Feature Request: Configurable log level for 'mail.log' logger (e.g., via environment variable or Controller parameter)

Status: Open.

#562 In aio-libs/aiosmtpd;

· rledwa2 opened on Jan 1, 2026

Extra dot added to message lines (dot-stuffing not unstuffed correctly since v1.4.5+)

Status: Open.

#561 In aio-libs/aiosmtpd;

· miaoz2001 opened on Nov 1, 2025

AttributeError: 'NoneType' object has no attribute 'items' when handling multipart messages with attachments

Status: Open.

#560 In aio-libs/aiosmtpd;

· hunhejj opened on Oct 16, 2025

proxy protocol not compatible with tls-wrapped connections/smtps

Status: Open.

#559 In aio-libs/aiosmtpd;

· jsbucy opened on Sep 11, 2025

CHUNKING support

Status: Open.

#558 In aio-libs/aiosmtpd;

· miaoz2001 opened on Jun 23, 2025

Using of <code>typing.ByteString</code> which will be removed in Python 3.14

Status: Open.

#549 In aio-libs/aiosmtpd;

· jun66j5 opened on Mar 29, 2025

Outdated build instructions in README

Status: Open.

#544 In aio-libs/aiosmtpd;

· cuu508 opened on Mar 10, 2025

C# SMTPClient uses lowercase login AUTH method

Status: Open.

#542 In aio-libs/aiosmtpd;

· TheRolfFR opened on Feb 26, 2025

Unexpected server response in "DATA_RECEIVED" state

Status: Open.

#534 In aio-libs/aiosmtpd;

· RajdeepMondal opened on Jan 10, 2025

Incorrect type annotation for Session.peer

Status: Open.

#518 In aio-libs/aiosmtpd;

· cuu508 opened on Oct 21, 2024