Bump mail from 2.4.4 to 2.5.5

[dependabot]

Bumps mail from 2.4.4 to 2.5.5.

Changelog

Sourced from mail's changelog.

== Version 2.5.5 - 2017-06-09 Jeremy Daer jeremydaer@gmail.com

Security:

• #1097 – SMTP security: prevent command injection via To/From addresses. (jeremy)

Bugs:

• #633 – Cope with message parts that have an empty Content-Type (ThomasKoppensteiner, zeepeeare)
• #689 - Fix Exim delivery method broken by #477 in 2.5.4. (jethrogb)

== Version 2.5.4 - Tue May 14 14:45:00 +1100 2013 Mikel Lindsaar mikel@lindsaar.net

Features:

• Save settings passed to TestMailer#new (svanderbleek)
• Allow the setting of envelope from directly (jeremy)
• Accept other IETF/IANA-registered Content-Types and Content-Transfer-Encodings (jeremy)
• Alias shift-jis charset to Shift_JIS Ruby encoding (jeremy)
• Add support for ks_c_5601-1987 charset, aliased to CP949 Ruby encoding (jeremy)
• Don't allow colons in header names (jeremy)
• Can assign arrays of Message-IDs to References and In-Reply-To (jeremy)
• Setting the html_ or text_part sets a default text/html or text/plain content type (jeremy)
• Setting the html_ or text_part to nil removes it (jeremy)
• Addresses without a parsable email or display name still format as their raw text (jeremy)
• Close pull request 504 - Alias GB2312 charset to GB18030 Ruby encoding (bpot)
• Close pull request 399 - Accept :ca_path and :ca_file options for SMTP delivery (ndbroadbent)
• Close pull request 389 - Don't add superfluous message headers to MIME parts (djmaze, jeremy)

Performance:

• Close pull request 488 - Speed up field construction & comparison (bpot)

Bugs:

• Don't include separating semicolon in paramter value when sanitizing (bpot)
• Fix fencepost encoding problem with binhex strings and only one token (drasch)
• Fix sendmail delivery to addresses with a leading hyphen (lifo, jeremy)
• Correctly format mbox From headers per RFC4155 (bpot, jeremy)
• Fix bogus '=' at the end of some quoted-printable messages (jeremy)
• Shouldn't be fooled into encoding strings on 1.8 by unrelated Encoding constant (emiellohr, jeremy)
• Header encoding should be US-ASCII, not the default external encoding (jeremy)
• Address elements should return decoded display names by default (jeremy)
• Fix up tests that depend on utf-8 external encoding; read fixtures as binary (jeremy)
• Capture stderr from Sendmail and Exim deliveries (jeremy)
• RFC2822 quoted_string content may be empty (jeremy)
• Calling #to_s on a field with a nil value returns an empty string instead of nil (jeremy)
• The Received header may contain zero name/value pairs, qmail-style (jeremy)
• Fix that setting an attachment with a :mime_type and :encoding would override the :encoding (jeremy)
• Fix that declaring an html_part but no text_part would use multipart/alternative anyway (jeremy)
• Close pull request 508 - Don't add an extra CRLF to MIME parts; split MIME parts on correct CRLF boundaries (Aalanar)
• Close pull request 506 - Escape backslashes in quoted strings (ConradIrwin)
• Close pull request 496 - Correctly handle quoted-printable line breaks (jeremy)
• Close pull request 493 - Repair misencoded quoted-printable line breaks (jeremy)
• Close pull request 487 - Extract comments from group email addresses (bpot)

... (truncated)

Commits

• 97a8548 2.5.5 release
• 63fb41b Always use an SSL context. [Fixes #548]
• f84b84d Specs: fix missing should_receive from f60ccc660434d445b78e8281833c99048a00de20
• f60ccc6 Fix Mail::Exim, forgotten in 4875bc2b
• 527067d Gemfile: no rdoc 5 on Ruby 1.9.2
• 396d39f Clamp down allowed gem versions depending on Ruby version supported
• b9cee02 Specs: fix expect-style that wasn't backported to old should-style
• b5a2884 Backport fixes for specs on Ruby 1.9.3+
• 6110413 Fix tested Ruby versions in README
• ddc85ed use latest ruby version in CI
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot ignore this [patch|minor|major] version will close this PR and stop Dependabot creating any more for this minor/major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)
• @dependabot use these labels will set the current labels as the default for future PRs for this repo and language
• @dependabot use these reviewers will set the current reviewers as the default for future PRs for this repo and language
• @dependabot use these assignees will set the current assignees as the default for future PRs for this repo and language
• @dependabot use this milestone will set the current milestone as the default for future PRs for this repo and language

You can disable automated security fix PRs for this repo from the Security Alerts page.