{"rid":"storage/seznam-cz-email-unlimited-size-mailbox-message-count-bou","card":{"rid":"storage/seznam-cz-email-unlimited-size-mailbox-message-count-bou","eid":"seznam","topic":"storage","slug":"seznam-cz-email-unlimited-size-mailbox-message-count-bou","provider":"Seznam.cz Email — unlimited-size mailbox, message-count-bound","url":"https://www.seznam.cz","domain":"seznam.cz","category":"cloud-drive","tier":null,"verdict":"qualifies-with-caveat","vorder":1,"grp":"usable","confidence":"reported","binding":"per-object-cap","identity_kind":"email","identity_basis":"stated","needs_card":0,"needs_phone":0,"needs_id":0,"needs_institution":0,"country":null,"crypto":null,"interfaces":"rest,rclone","egress_metered":0,"per_object_bytes":35000000,"retention_days":null,"verified_at":"2026-10-21T00:00:00.000Z","verified_basis":"inherited","checked_on":"2026-10-21","stale_on":"2026-11-04","n_evidence":3,"usd_month":null,"usd_per_tb_month":null,"summary":"Docs page states verbatim: \"Uživatel může schránku využívat v neomezené velikosti. V praxi je každá schránka založena s limitem na 120 000 zpráv, který lze o...","duplicate_of":null,"n_unknown":5},"record":{"topic":"storage","slug":"seznam-cz-email-unlimited-size-mailbox-message-count-bou","provider":"Seznam.cz Email — unlimited-size mailbox, message-count-bound","url":"https://www.seznam.cz","category":"cloud-drive","free_tier":{"stated":"Docs page states verbatim: \"Uživatel může schránku využívat v neomezené velikosti. V praxi je každá schránka založena s limitem na 120 000 zpráv, který lze opakovaně navyšovat.\" = unlimited mailbox size; in practice each mailbox starts with a 120,000-message limit that can be raised repeatedly (on request). This is the only webmail found where the published limit is a MESSAGE COUNT, not a byte quota.","unit":"unlimited","metered_on":"unstated","source_url":"https://o-seznam.cz/napoveda/email/mohlo-by-se-hodit/limity-schranky/","read_on":"2026-10-21","notes":null},"per_object_cap":{"stated":"per-object-cap 35 MB","bytes":35000000,"source_url":"https://o-seznam.cz/napoveda/email/mohlo-by-se-hodit/limity-schranky/","notes":"not stated"},"retention":{"stated":"not stated","source_url":"https://o-seznam.cz/napoveda/email/mohlo-by-se-hodit/limity-schranky/","notes":"not stated"},"egress":{"terms":"Unmetered by the provider — no transfer meter is published or charged; mail is delivered by SMTP/IMAP, not metered HTTP GET. No egress pricing exists for a mailbox.","metered":false},"interface":["rest","rclone"],"interface_detail":"rest","tooling":"Native IMAP, probe-verified live: `imap.seznam.cz:993` -> `* OK Seznam IMAP server ready` / `* CAPABILITY XLIST IMAP4rev1 AUTH=PLAIN AUTH=LOGIN AUTH=OAUTHBEARER AUTH=XOAUTH2 SASL-IR CHILDREN SORT I18NLEVEL=1 UIDPLUS ID MOVE UNSELECT`. Any IMAP client or imapsync/offlineimap works. No rclone backend.","chaining":"Each account is byte-unlimited (message-count-bound), so a second account carries a second allowance. 120,000 messages × the 35 MB send cap = ~4.2 TB per account before the message-count ceiling even binds; raise the count via support and the ceiling moves. Free registration, no paid tier required.","limits":[{"kind":"per-object-cap","value":"per-object-cap 35 MB","source":"https://o-seznam.cz/napoveda/email/mohlo-by-se-hodit/limity-schranky/"}],"limits_note":"per-object-cap 35 MB attach send from web (25 MB from mobile app), 50 MB receive per message — that is the real per-blob size. 120,000 messages/mailbox is the binding constraint (a pull-count-style ceiling on object count, raisable on request). Sending-rate limits exist but are explicitly unpublished: \"Tyto limity nejsou veřejné.\"","identity_cost":{"kind":"email","detail":"derived from the record's prose, not from an identity field, and no signup was executed: 120 000 zpráv, který lze opakovaně navyšovat.\" = unlimited mailbox size; in practice each mailbox starts with a 120,000-message limit that can be raised repeatedly (on request). This is","country":null},"reliability_note":"Operators state up front that they watch for excess use of the unlimited claim: rules are tuned to catch anyone probing \"kde je ta skutečná hranice\" (where the real boundary is). Message-count ceiling is enforced silently at fill time.","confidence":"reported","confidence_note":"One page read moves it to documented.","evidence":[{"url":"https://o-seznam.cz/napoveda/email/mohlo-by-se-hodit/limity-schranky/","date":"2026-10-21","proved":"\"neomezené velikosti\" + \"120 000 zpráv\" + 35/50 MB attach caps, read live 2026-10-21"},{"url":null,"date":"2026-10-21","proved":"probe: openssl s_client -connect imap.seznam.cz:993 -> * OK Seznam IMAP server ready + CAPABILITY incl. AUTH=PLAIN/OAUTHBEARER"},{"url":"https://blog.seznam.cz/2008/12/spustili-jsme-neomezenou-velikost-emailove/","date":"2026-10-21","proved":"2008 origin of the unlimited policy, incl. the anti-probing warning"}],"verdict":"qualifies-with-caveat","verified_at":"2026-10-21T00:00:00.000Z","notes":"Docs page states verbatim: \"Uživatel může schránku využívat v neomezené velikosti. V praxi je každá schránka založena s limitem na 120 000 zpráv, který lze opakovaně navyšovat.\" = unlimited mailbox size; in practice each mailbox starts with a 120,000-message limit that can be raised repeatedly (on request). This is the only webmail found where the published limit is a MESSAGE COUNT, not a byte quota.","extras":{},"binding":"per-object-cap","binding_note":"the per-object cap sets the shard size and therefore the object count; it bounds the total more tightly than any headline quota"},"claims":[{"path":"$.free_tier.stated","kind":"free-quota","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"},{"path":"$.limits[0].value","kind":"limit:per-object-cap","num":35,"unit":"MB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"}],"unknown":[["$.evidence[1].url","private-url"],["$.free_tier.notes","process"],["$.per_object_cap.notes","not-extracted"],["$.retention.notes","not-extracted"],["$.retention.stated","not-extracted"]],"history":[],"drift":[]}