feat: migrate away from gomail

go.mod

@@ -61,6 +61,7 @@ require (
 	github.com/tkuchiki/go-timezone v0.2.2
 	github.com/ulule/limiter/v3 v3.10.0
 	github.com/vectordotdev/go-datemath v0.1.1-0.20211214182920-0a4ac8742b93
+	github.com/wneessen/go-mail v0.2.4
 	github.com/yuin/goldmark v1.4.12
 	golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4
 	golang.org/x/image v0.0.0-20220302094943-723b81ca9867
@@ -68,9 +69,7 @@ require (
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
 	golang.org/x/sys v0.0.0-20220412211240-33da011f77ad
 	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211
-	gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc // indirect
 	gopkg.in/d4l3k/messagediff.v1 v1.2.1
-	gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df
 	gopkg.in/yaml.v3 v3.0.1
 	src.techknowlogick.com/xgo v1.4.1-0.20210311222705-d25c33fcd864
 	src.techknowlogick.com/xormigrate v1.4.0

go.sum

@@ -81,8 +81,6 @@ github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWX
 github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
 github.com/ThreeDotsLabs/watermill v1.1.1 h1:+9NXqWQvplzxBru2CIInvVOZeKUnM+Nysg42fInl5sY=
 github.com/ThreeDotsLabs/watermill v1.1.1/go.mod h1:Qd1xNFxolCAHCzcMrm6RnjW0manbvN+DJVWc1MWRFlI=
-github.com/agiledragon/gomonkey/v2 v2.3.1 h1:k+UnUY0EMNYUFUAQVETGY9uUTxjMdnUkP0ARyJS1zzs=
-github.com/agiledragon/gomonkey/v2 v2.3.1/go.mod h1:ap1AmDzcVOAz1YpeJ3TCzIgstoaWLA6jbbgxfB4w2iY=
 github.com/ajg/form v1.5.1/go.mod h1:uL1WgH+h2mgNtvBq0339dVnzXdBETtL2LeUXaIv25UY=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
@@ -142,8 +140,6 @@ github.com/cockroachdb/apd v1.1.0/go.mod h1:8Sl8LxpKi29FqWXR16WEFZRNSz3SoPzUzeMe
 github.com/codegangsta/inject v0.0.0-20150114235600-33e0aa1cb7c0/go.mod h1:4Zcjuz89kmFXt9morQgcfYZAYZ5n8WHjt81YYWIwtTM=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
-github.com/coreos/go-oidc/v3 v3.1.0 h1:6avEvcdvTa1qYsOZ6I5PRkSYHzpTNWgKYmaJfaYbrRw=
-github.com/coreos/go-oidc/v3 v3.1.0/go.mod h1:rEJ/idjfUyfkBit1eI1fvyr+64/g9dcKpAm8MJMesvo=
 github.com/coreos/go-oidc/v3 v3.2.0 h1:2eR2MGR7thBXSQ2YbODlF0fcmgtliLCfr9iX6RW11fc=
 github.com/coreos/go-oidc/v3 v3.2.0/go.mod h1:rEJ/idjfUyfkBit1eI1fvyr+64/g9dcKpAm8MJMesvo=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
@@ -406,8 +402,6 @@ github.com/iancoleman/strcase v0.2.0 h1:05I4QRnGpI0m37iZQRuskXh+w77mr6Z41lwQzuHL
 github.com/iancoleman/strcase v0.2.0/go.mod h1:iwCmte+B7n89clKwxIoIXy/HfoL7AsD47ZCWhYzw7ho=
 github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
-github.com/imdario/mergo v0.3.12 h1:b6R2BslTbIEToALKP7LxUvijTsNI9TAe80pLWN2g/HU=
-github.com/imdario/mergo v0.3.12/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
 github.com/imdario/mergo v0.3.13 h1:lFzP57bqS/wsqKssCGmtLAb8A0wKjLGrve2q3PPVcBk=
 github.com/imdario/mergo v0.3.13/go.mod h1:4lJ1jqUDcsbIECGy0RUJAXNIhg+6ocWgb1ALK2O4oXg=
 github.com/imkira/go-interpol v1.1.0/go.mod h1:z0h2/2T3XF8kyEPpRgJ3kmNv+C43p+I/CoI+jC3w2iA=
@@ -525,8 +519,6 @@ github.com/lib/pq v1.2.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
 github.com/lib/pq v1.7.0/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
 github.com/lib/pq v1.8.0/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
 github.com/lib/pq v1.10.2/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
-github.com/lib/pq v1.10.5 h1:J+gdV2cUmX7ZqL2B0lFcW0m+egaHC2V3lpO8nWxyYiQ=
-github.com/lib/pq v1.10.5/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
 github.com/lib/pq v1.10.6 h1:jbk+ZieJ0D7EVGJYpL9QTz7/YW6UHbmdnZWYyK5cdBs=
 github.com/lib/pq v1.10.6/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
 github.com/lithammer/shortuuid/v3 v3.0.4 h1:uj4xhotfY92Y1Oa6n6HUiFn87CdoEHYUlTy0+IgbLrs=
@@ -571,8 +563,6 @@ github.com/mattn/go-sqlite3 v1.14.0/go.mod h1:JIl7NbARA7phWnGvh0LKTyg7S9BA+6gx71
 github.com/mattn/go-sqlite3 v1.14.4/go.mod h1:WVKg1VTActs4Qso6iwGbiFih2UIHo0ENGwNd0Lj+XmI=
 github.com/mattn/go-sqlite3 v1.14.6/go.mod h1:NyWgC/yNuGj7Q9rpYnZvas74GogHl5/Z4A/KQRfk6bU=
 github.com/mattn/go-sqlite3 v1.14.7/go.mod h1:NyWgC/yNuGj7Q9rpYnZvas74GogHl5/Z4A/KQRfk6bU=
-github.com/mattn/go-sqlite3 v1.14.12 h1:TJ1bhYJPV44phC+IMu1u2K/i5RriLTPe+yc68XDJ1Z0=
-github.com/mattn/go-sqlite3 v1.14.12/go.mod h1:NyWgC/yNuGj7Q9rpYnZvas74GogHl5/Z4A/KQRfk6bU=
 github.com/mattn/go-sqlite3 v1.14.13 h1:1tj15ngiFfcZzii7yd82foL+ks+ouQcj8j/TPq3fk1I=
 github.com/mattn/go-sqlite3 v1.14.13/go.mod h1:NyWgC/yNuGj7Q9rpYnZvas74GogHl5/Z4A/KQRfk6bU=
 github.com/mattn/goveralls v0.0.2/go.mod h1:8d1ZMHsd7fW6IRPKQh46F2WRpyib5/X4FOpevwGNQEw=
@@ -630,14 +620,6 @@ github.com/onsi/gomega v1.18.1/go.mod h1:0q+aL8jAiMXy9hbwj2mr5GziHiwhAIQpFmmtT5h
 github.com/op/go-logging v0.0.0-20160315200505-970db520ece7 h1:lDH9UUVJtmYCjyT0CI4q8xvlXPxeZ0gYCVvWbmPlp88=
 github.com/op/go-logging v0.0.0-20160315200505-970db520ece7/go.mod h1:HzydrMdWErDVzsI23lYNej1Htcns9BCg93Dk0bBINWk=
 github.com/openzipkin/zipkin-go v0.1.6/go.mod h1:QgAqvLzwWbR/WpD4A3cGpPtJrZXNIiJc5AZX7/PBEpw=
-github.com/otiai10/copy v1.7.0 h1:hVoPiN+t+7d2nzzwMiDHPSOogsWAStewq3TwU05+clE=
-github.com/otiai10/copy v1.7.0/go.mod h1:rmRl6QPdJj6EiUqXQ/4Nn2lLXoNQjFCQbbNrxgc/t3U=
-github.com/otiai10/curr v0.0.0-20150429015615-9b4961190c95/go.mod h1:9qAhocn7zKJG+0mI8eUu6xqkFDYS2kb2saOteoSB3cE=
-github.com/otiai10/curr v1.0.0 h1:TJIWdbX0B+kpNagQrjgq8bCMrbhiuX73M2XwgtDMoOI=
-github.com/otiai10/curr v1.0.0/go.mod h1:LskTG5wDwr8Rs+nNQ+1LlxRjAtTZZjtJW4rMXl6j4vs=
-github.com/otiai10/mint v1.3.0/go.mod h1:F5AjcsTsWUqX+Na9fpHb52P8pcRX2CI6A3ctIT91xUo=
-github.com/otiai10/mint v1.3.3 h1:7JgpsBaN0uMkyju4tbYHu0mnM55hNKVYLsXmwr15NQI=
-github.com/otiai10/mint v1.3.3/go.mod h1:/yxELlJQ0ufhjUwhshSj+wFjZ78CnZ48/1wtmBH1OTc=
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
 github.com/pascaldekloe/goe v0.1.0/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
 github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
@@ -665,8 +647,6 @@ github.com/prometheus/client_golang v1.0.0/go.mod h1:db9x61etRT2tGnBNRi70OPL5Fsn
 github.com/prometheus/client_golang v1.4.0/go.mod h1:e9GMxYsXl05ICDXkRhurwBS4Q3OK1iX/F2sw+iXX5zU=
 github.com/prometheus/client_golang v1.7.1/go.mod h1:PY5Wy2awLA44sXw4AOSfFBetzPP4j5+D6mVACh+pe2M=
 github.com/prometheus/client_golang v1.11.0/go.mod h1:Z6t4BnS23TR94PD6BsDNk8yVqroYurpAkEiz0P2BEV0=
-github.com/prometheus/client_golang v1.12.1 h1:ZiaPsmm9uiBeaSMRznKsCDNtPCS0T3JVDGF+06gjBzk=
-github.com/prometheus/client_golang v1.12.1/go.mod h1:3Z9XVyYiZYEO+YQWt3RD2R3jrbd179Rt297l4aS6nDY=
 github.com/prometheus/client_golang v1.12.2 h1:51L9cDoUHVrXx4zWYlcLQIZ+d+VXHgqnYKkIuq4g/34=
 github.com/prometheus/client_golang v1.12.2/go.mod h1:3Z9XVyYiZYEO+YQWt3RD2R3jrbd179Rt297l4aS6nDY=
 github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
@@ -753,7 +733,6 @@ github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81P
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/stretchr/testify v1.7.1 h1:5TQK59W5E3v0r2duFAb7P95B6hEeOyEnHRa8MjYSMTY=
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.2 h1:4jaiDzPyXQvSd7D0EjG45355tLlV3VOECpq10pLC+8s=
 github.com/stretchr/testify v1.7.2/go.mod h1:R6va5+xMeoiuVRoj+gSkQ7d3FALtqAAGI1FQKckRals=
@@ -761,10 +740,6 @@ github.com/stretchr/testify v1.8.0 h1:pSgiaMZlXftHpm5L7V1+rVB+AZJydKsMxsQBIJw4PK
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/subosito/gotenv v1.2.0 h1:Slr1R9HxAlEKefgq5jn9U+DnETlIUa6HfgEzj0g5d7s=
 github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
-github.com/swaggo/swag v1.8.1 h1:JuARzFX1Z1njbCGz+ZytBR15TFJwF2Q7fu8puJHhQYI=
-github.com/swaggo/swag v1.8.1/go.mod h1:ugemnJsPZm/kRwFUnzBlbHRd0JY9zE1M4F+uy2pAaPQ=
-github.com/swaggo/swag v1.8.2 h1:D4aBiVS2a65zhyk3WFqOUz7Rz0sOaUcgeErcid5uGL4=
-github.com/swaggo/swag v1.8.2/go.mod h1:jMLeXOOmYyjk8PvHTsXBdrubsNd9gUJTTCzL5iBnseg=
 github.com/swaggo/swag v1.8.3 h1:3pZSSCQ//gAH88lfmxM3Cd1+JCsxV8Md6f36b9hrZ5s=
 github.com/swaggo/swag v1.8.3/go.mod h1:jMLeXOOmYyjk8PvHTsXBdrubsNd9gUJTTCzL5iBnseg=
 github.com/syndtr/goleveldb v1.0.0 h1:fBdIW9lB4Iz0n9khmH8w27SJ3QEJ7+IgjPEwGSZiFdE=
@@ -793,6 +768,8 @@ github.com/valyala/tcplisten v0.0.0-20161114210144-ceec8f93295a/go.mod h1:v3UYOV
 github.com/valyala/tcplisten v1.0.0/go.mod h1:T0xQ8SeCZGxckz9qRXTfG43PvQ/mcWh7FwZEA7Ioqkc=
 github.com/vectordotdev/go-datemath v0.1.1-0.20211214182920-0a4ac8742b93 h1:bT0ZMfsMi2Xh8dopgxhFT+OJH88QITHpdppdkG1rXJQ=
 github.com/vectordotdev/go-datemath v0.1.1-0.20211214182920-0a4ac8742b93/go.mod h1:PnwzbSst7KD3vpBzzlntZU5gjVa455Uqa5QPiKSYJzQ=
+github.com/wneessen/go-mail v0.2.4 h1:fgSyXjNRleT3p7d7iXsaoW/LZmksNovS2Bt0MNFR4JQ=
+github.com/wneessen/go-mail v0.2.4/go.mod h1:5JFKEGsldD2Fh5O+Lxzhre3GLOcJznWrzqZaJwTs300=
 github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f/go.mod h1:N2zxlSyiKSe5eX1tZViRH5QA0qijqEDrYZiPEAiq3wU=
 github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415/go.mod h1:GwrjFmJcFw6At/Gs6z4yjiIwzuJ1/+UwLxMQDVQXShQ=
 github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQluxsYJ78Id3Y=
@@ -805,10 +782,7 @@ github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9de
 github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
-github.com/yuin/goldmark v1.4.0/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
 github.com/yuin/goldmark v1.4.1/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
-github.com/yuin/goldmark v1.4.11 h1:i45YIzqLnUc2tGaTlJCyUxSG8TvgyGqhqOZOUKIjJ6w=
-github.com/yuin/goldmark v1.4.11/go.mod h1:rmuwmfZ0+bvzB24eSC//bk1R1Zp3hM0OXYv/G2LIilg=
 github.com/yuin/goldmark v1.4.12 h1:6hffw6vALvEDqJ19dOJvJKOoAOKe4NDaTqvd2sktGN0=
 github.com/yuin/goldmark v1.4.12/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
 github.com/zenazn/goji v0.9.0/go.mod h1:7S9M489iMyHBNxwZnk9/EHS098H4/F6TATF2mIxtB1Q=
@@ -895,7 +869,6 @@ golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.4.2 h1:Gz96sIWK3OalVv/I/qNygP42zyoKp3xptRVCWRFEBvo=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.6.0-dev.0.20220106191415-9b9b3d81d5e3 h1:kQgndtyPBW/JIYERgdxfwMYh3AVStj88WQTlNDi2a+o=
 golang.org/x/mod v0.6.0-dev.0.20220106191415-9b9b3d81d5e3/go.mod h1:3p9vT2HGsQu2K1YbXdKPJLVgG5VJdoTa1poYQBtP1AY=
@@ -952,14 +925,12 @@ golang.org/x/net v0.0.0-20210428140749-89ef3d95e781/go.mod h1:OJAsFXCWl8Ukc7SiCT
 golang.org/x/net v0.0.0-20210503060351-7fd8e65b6420/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20210505024714-0287a6fb4125/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20210525063256-abc453219eb5/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.0.0-20210805182204-aaa1db679c0d/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20211008194852-3b03d305991f/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
 golang.org/x/net v0.0.0-20220225172249-27dd8689420f/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
 golang.org/x/net v0.0.0-20220325170049-de3da57026de/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
-golang.org/x/net v0.0.0-20220412020605-290c469a71a5 h1:bRb386wvrE+oBNdF1d/Xh9mQrfQ4ecYhW5qJ5GvTGT4=
 golang.org/x/net v0.0.0-20220412020605-290c469a71a5/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
 golang.org/x/net v0.0.0-20220425223048-2871e0cb64e4 h1:HVyaeDAYux4pnY+D/SiwmLOR36ewZ4iGQIIrtnuCjFA=
 golang.org/x/net v0.0.0-20220425223048-2871e0cb64e4/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
@@ -1074,7 +1045,6 @@ golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20210616094352-59db8d763f22/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210806184541-e5e7981a1069/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210823070655-63515b42dcdf/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210908233432-aa78b53d3365/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
@@ -1175,8 +1145,6 @@ golang.org/x/tools v0.1.2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.3/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.4/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.5/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
-golang.org/x/tools v0.1.7 h1:6j8CgantCy3yc8JGBqkDLMKWqZ0RDU2g1HVgacojGWQ=
-golang.org/x/tools v0.1.7/go.mod h1:LGqMHiF4EqQNHR1JncWGqT5BVaXmza+X+BDGol+dOxo=
 golang.org/x/tools v0.1.10 h1:QjFRCZxdOhBJ/UNgnBZLbNV13DlbnK0quyivTnXJM20=
 golang.org/x/tools v0.1.10/go.mod h1:Uh6Zz+xoGYZom868N8YTex3t7RhtHDBrE8Gzo9bV56E=
 golang.org/x/xerrors v0.0.0-20190410155217-1f06c39b4373/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -1352,8 +1320,6 @@ google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQ
 google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw=
 google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
-gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc h1:2gGKlE2+asNV9m7xrywl36YYNnBG5ZQ0r/BOOxqPpmk=
-gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc/go.mod h1:m7x9LTH6d71AHyAX77c9yqWCCa3UKHcVEj9y7hAtKDk=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
@@ -1362,8 +1328,6 @@ gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8
 gopkg.in/d4l3k/messagediff.v1 v1.2.1 h1:70AthpjunwzUiarMHyED52mj9UwtAnE89l1Gmrt3EU0=
 gopkg.in/d4l3k/messagediff.v1 v1.2.1/go.mod h1:EUzikiKadqXWcD1AzJLagx0j/BeeWGtn++04Xniyg44=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
-gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df h1:n7WqCuqOuCbNr617RXOY0AWRXxgwEyPp2z+p0+hgMuE=
-gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df/go.mod h1:LRQQ+SO6ZHR7tOkpBDuZnXENFzX8qRjMDMyPD6BRkCw=
 gopkg.in/inconshreveable/log15.v2 v2.0.0-20180818164646-67afb5ed74ec/go.mod h1:aPpfJ7XW+gOuirDoZ8gHhLh3kZ1B08FtV2bbmy7Jv3s=
 gopkg.in/ini.v1 v1.51.1/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/ini.v1 v1.66.4 h1:SsAcf+mM7mRZo2nJNGt8mZCjG8ZRaNGMURJw7BsIST4=
@@ -1385,7 +1349,6 @@ gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20191120175047-4206685974f2/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=

pkg/config/config.go

@@ -96,6 +96,7 @@ const (
 	MailerPort          Key = `mailer.port`
 	MailerUsername      Key = `mailer.username`
 	MailerPassword      Key = `mailer.password`
+	MailerAuthType      Key = `mailer.authtype`
 	MailerSkipTLSVerify Key = `mailer.skiptlsverify`
 	MailerFromEmail     Key = `mailer.fromemail`
 	MailerQueuelength   Key = `mailer.queuelength`
@@ -325,6 +326,7 @@ func InitDefaultConfig() {
 	MailerQueuelength.setDefault(100)
 	MailerQueueTimeout.setDefault(30)
 	MailerForceSSL.setDefault(false)
+	MailerAuthType.setDefault("plain")
 	// Redis
 	RedisEnabled.setDefault(false)
 	RedisHost.setDefault("localhost:6379")

pkg/mail/mail.go

@@ -17,31 +17,47 @@
 package mail
 
 import (
-	"crypto/tls"
+	"context"
 	"time"
 
 	"code.vikunja.io/api/pkg/config"
 	"code.vikunja.io/api/pkg/log"
-	"gopkg.in/gomail.v2"
+
+	"github.com/wneessen/go-mail"
 )
 
 // Queue is the mail queue
-var Queue chan *gomail.Message
+var Queue chan *mail.Msg
 
-func getDialer() *gomail.Dialer {
+func getClient() (*mail.Client, error) {
-	d := gomail.NewDialer(config.MailerHost.GetString(), config.MailerPort.GetInt(), config.MailerUsername.GetString(), config.MailerPassword.GetString())
+
-	// #nosec
+	var authType mail.SMTPAuthType
-	d.TLSConfig = &tls.Config{
+	switch config.MailerAuthType.GetString() {
-		InsecureSkipVerify: config.MailerSkipTLSVerify.GetBool(),
+	case "plain":
-		ServerName:         config.MailerHost.GetString(),
+		authType = mail.SMTPAuthPlain
+	case "login":
+		authType = mail.SMTPAuthLogin
+	case "cram-md5":
+		authType = mail.SMTPAuthCramMD5
 	}
-	d.SSL = config.MailerForceSSL.GetBool()
+
-	return d
+	tlsPolicy := mail.TLSOpportunistic
+	if config.MailerForceSSL.GetBool() {
+		tlsPolicy = mail.TLSMandatory
+	}
+
+	return mail.NewClient(
+		config.MailerHost.GetString(),
+		mail.WithSMTPAuth(authType),
+		mail.WithUsername(config.MailerUsername.GetString()),
+		mail.WithPassword(config.MailerPassword.GetString()),
+		mail.WithPort(config.MailerPort.GetInt()),
+		mail.WithTLSPolicy(tlsPolicy))
 }
 
 // StartMailDaemon starts the mail daemon
 func StartMailDaemon() {
-	Queue = make(chan *gomail.Message, config.MailerQueuelength.GetInt())
+	Queue = make(chan *mail.Msg, config.MailerQueuelength.GetInt())
 
 	if !config.MailerEnabled.GetBool() {
 		return
@@ -52,10 +68,12 @@ func StartMailDaemon() {
 		return
 	}
 
+	c, err := getClient()
+	if err != nil {
+		log.Errorf("Could not create mail client: %v", err)
+		return
+	}
 	go func() {
-		d := getDialer()
-
-		var s gomail.SendCloser
 		var err error
 		open := false
 		for {
@@ -65,13 +83,15 @@ func StartMailDaemon() {
 					return
 				}
 				if !open {
-					if s, err = d.Dial(); err != nil {
+					err = c.DialWithContext(context.Background())
+					if err != nil {
 						log.Error("Error during connect to smtp server: %s", err)
 						break
 					}
 					open = true
 				}
-				if err := gomail.Send(s, m); err != nil {
+				err = c.Send(m)
+				if err != nil {
 					log.Error("Error when sending mail: %s", err)
 					break
 				}
@@ -80,18 +100,14 @@ func StartMailDaemon() {
 			case <-time.After(config.MailerQueueTimeout.GetDuration() * time.Second):
 				if open {
 					open = false
-					if err := s.Close(); err != nil {
+					err = c.Close()
+					if err != nil {
 						log.Error("Error closing the mail server connection: %s\n", err)
 						break
 					}
-					log.Infof("Closed connection to mailserver")
+					log.Infof("Closed connection to mail server")
 				}
 			}
 		}
 	}()
 }
-
-// StopMailDaemon closes the mail queue channel, aka stops the daemon
-func StopMailDaemon() {
-	close(Queue)
-}

pkg/mail/send_mail.go

@@ -19,7 +19,9 @@ package mail
 import (
 	"code.vikunja.io/api/pkg/config"
 	"code.vikunja.io/api/pkg/log"
-	"gopkg.in/gomail.v2"
+	"code.vikunja.io/api/pkg/version"
+
+	"github.com/wneessen/go-mail"
 )
 
 // Opts holds infos for a mail
@@ -45,11 +47,11 @@ const (
 )
 
 type header struct {
-	Field   string
+	Field   mail.Header
 	Content string
 }
 
-// SendTestMail sends a test mail to a receipient.
+// SendTestMail sends a test mail to a recipient.
 // It works without a queue.
 func SendTestMail(opts *Opts) error {
 	if config.MailerHost.GetString() == "" {
@@ -57,39 +59,39 @@ func SendTestMail(opts *Opts) error {
 		return nil
 	}
 
-	d := getDialer()
+	c, err := getClient()
-	s, err := d.Dial()
 	if err != nil {
 		return err
 	}
-	defer s.Close()
 
-	m := sendMail(opts)
+	m := getMessage(opts)
 
-	return gomail.Send(s, m)
+	return c.DialAndSend(m)
 }
 
-func sendMail(opts *Opts) *gomail.Message {
+func getMessage(opts *Opts) *mail.Msg {
-	m := gomail.NewMessage()
+	m := mail.NewMsg()
+	m.SetUserAgent("Vikunja " + version.Version)
 	if opts.From == "" {
 		opts.From = "Vikunja <" + config.MailerFromEmail.GetString() + ">"
 	}
-	m.SetHeader("From", opts.From)
+	_ = m.From(opts.From)
-	m.SetHeader("To", opts.To)
+	_ = m.To(opts.To)
-	m.SetHeader("Subject", opts.Subject)
+	m.Subject(opts.Subject)
 	for _, h := range opts.Headers {
 		m.SetHeader(h.Field, h.Content)
 	}
 
 	switch opts.ContentType {
 	case ContentTypePlain:
-		m.SetBody("text/plain", opts.Message)
+		m.SetBodyString("text/plain", opts.Message)
 	case ContentTypeHTML:
-		m.SetBody("text/html", opts.Message)
+		m.SetBodyString("text/html", opts.Message)
 	case ContentTypeMultipart:
-		m.SetBody("text/plain", opts.Message)
+		m.SetBodyString("text/plain", opts.Message)
-		m.AddAlternative("text/html", opts.HTMLMessage)
+		m.AddAlternativeString("text/html", opts.HTMLMessage)
 	}
+
 	return m
 }
 
@@ -100,6 +102,6 @@ func SendMail(opts *Opts) {
 		return
 	}
 
-	m := sendMail(opts)
+	m := getMessage(opts)
 	Queue <- m
 }