fix: add timeout to smtp vendor
fix: add timeout to smtp vendor

linkedin/iris,dwang159/iris-api,jrgp/iris-api-opensource,linkedin/iris,jrgp/iris-api-opensource,jrgp/iris-api-opensource,dwang159/iris-api,linkedin/iris,dwang159/iris-api,linkedin/iris,jrgp/iris-api-opensource,dwang159/iris-api