163.com / 126.com free (netease)

Free allowance: 3 GB mailbox with a 280 MB bundled netdisk, attachment cap 20 MB: "3G（送280兆免费网盘）的超大空间 ... 附件支持高达 20兆".
Verdict: fails: quotathe free allowance is too small to matter
Cost: not stated
Identity: email?placeholder, not evidence; card unknown, phone unknown
Binding limit: noneno named constraint binds
Evidence: reported2 sources; a third party said so
Freshness: stale on 2026-11-05checked 2026-10-21 (inherited); stale on 2026-11-05

Free tier	3 GB mailbox with a 280 MB bundled netdisk, attachment cap 20 MB: "3G（送280兆免费网盘）的超大空间 ... 附件支持高达 20兆". IMAP is live (`imap.163.com:993` -> `APPENDLIMIT=71680000`, 68.4 MiB), so the protocol unit none; metered on none
Price	none stated
Identity	email (placeholder) not published
Egress	not recorded
Interface	unknown
Tooling	not recorded

Evidence 2

date	source	what it proved
2026-10-21	mail.163.com/help/help_mail_08.htm	the text of Free tier, above
2026-10-21	mail.163.com/html/notice/2021/notic-0603.htm	cited as the basis of the rejection: 3 GB mailbox with a 280 MB bundled netdisk, attachment cap 20 MB: "3G（送280兆免费网盘）的超大空间 ... 附件支持高达 20兆". IMAP is live (`imap.163.com:993` -> `APPENDLIMIT=71680000`, 68.4 MiB), so the protocol

More fields 1

dead end	{"failure_class": "quota","why": "3 GB mailbox with a 280 MB bundled netdisk, attachment cap 20 MB: \"3G（送280兆免费网盘）的超大空间 ... 附件支持高达 20兆\". IMAP is live (`imap.163.com:993` -> `APPENDLIMIT=71680000`, 68.4 MiB), so the protocol","retry_when": null,"first_recorded": "2026-10-21"}

Unknown values 7