Package letters.0.4.0

[joseferben]

letters.0.4.0

Client library for sending emails over SMTP
Simple to use SMTP client implementation for OCaml

---

• Homepage: https://github.com/oxidizing/letters/
• Source repo: git+https://github.com/oxidizing/letters.git
• Bug tracker: https://github.com/oxidizing/letters/issues

---

🐫 Pull-request generated by opam-publish v2.1.0

[mseri]

Can you check what lower bound is incorrect leading to the build failures?

# File "lib/sendmail_handler.ml", lines 63-99, characters 2-28:
# 63 | ..Lwt_unix.gethostbyname (Domain_name.to_string hostname)
# 64 |   >>= fun res ->
# 65 |   if Array.length res.Lwt_unix.h_addr_list = 0
# 66 |   then Lwt.fail_with (Fmt.str "%a can not be resolved" Domain_name.pp hostname)
# 67 |   else (
# ...
# 96 |         recipients
# 97 |         mail_stream
# 98 |     in
# 99 |     Lwt_scheduler.prj fiber)
# Error: This expression has type
#          "(unit, Sendmail_with_starttls.error) result Lwt.t"
#        but an expression was expected of type
#          "(unit,
#           [> `Protocol of [> `Invalid_login_challenge of string ] ] as 'a)
#          Lwt_result.t" = "(unit, 'a) result Lwt.t"
#        Type
#          "Sendmail_with_starttls.error" =
#            "[ `Authentication_failed
#            | `Authentication_rejected
#            | `Authentication_required
#            | `Encryption_required
#            | `Protocol of
#                [ `Protocol of Sendmail_with_starttls.Value.error
#                | `Tls_alert of Tls.Packet.alert_type
#                | `Tls_closed
#                | `Tls_failure of Tls.Engine.failure ]
#            | `STARTTLS_unavailable
#            | `Tls of
#                [ `Protocol of Sendmail_with_starttls.Value.error
#                | `Tls_alert of Tls.Packet.alert_type
#                | `Tls_closed
#                | `Tls_failure of Tls.Engine.failure ]
#            | `Unsupported_mechanism
#            | `Weak_mechanism ]"
#        is not compatible with type
#          "[> `Protocol of [> `Invalid_login_challenge of string ] ]"
#        The first variant type does not allow tag(s) "`Invalid_login_challenge"

and

# (cd _build/default && /home/opam/.opam/4.14/bin/ocamlc.opt -w -40 -g -bin-annot -I lib/.letters.objs/byte -I /home/opam/.opam/4.14/lib/ca-certs -I /home/opam/.opam/4.14/lib/colombe -I /home/opam/.opam/4.14/lib/colombe/emile -I /home/opam/.opam/4.14/lib/containers -I /home/opam/.opam/4.14/lib/domain-name -I /home/opam/.opam/4.14/lib/emile -I /home/opam/.opam/4.14/lib/fmt -I /home/opam/.opam/4.14/lib/logs -I /home/opam/.opam/4.14/lib/lwt -I /home/opam/.opam/4.14/lib/lwt/unix -I /home/opam/.opam/4.14/lib/mrmime -I /home/opam/.opam/4.14/lib/ptime/clock/os -I /home/opam/.opam/4.14/lib/rresult -I /home/opam/.opam/4.14/lib/sendmail -I /home/opam/.opam/4.14/lib/sendmail/starttls -I /home/opam/.opam/4.14/lib/tls -I /home/opam/.opam/4.14/lib/tls-lwt -I /home/opam/.opam/4.14/lib/x509 -intf-suffix .ml -no-alias-deps -open Letters__ -o lib/.letters.objs/byte/letters.cmo -c -impl lib/letters.ml)
# File "lib/letters.ml", line 81, characters 39-48:
# 81 |   | Some { Colombe.Path.domain; _ } -> Ok domain
#                                             ^^^^^^^^^
# Error: This expression has type ('a, 'b) result
#        but an expression was expected of type
#          ('c, [> Rresult.R.msg ]) Result.result